Merge pull request #4453 from rhatdan/vendor

Add support for make vendor-in-container

46 files changed, 209 insertions, 12266 deletions

diff --git a/.cirrus.yml b/.cirrus.yml
index 145e49457..c27b76110 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -150,15 +150,15 @@ vendor_task:
 
     # Runs within Cirrus's "community cluster"
     container:
-        image: "quay.io/libpod/gate:latest"
+        image: docker.io/library/golang:1.13
         cpu: 4
         memory: 12
 
     timeout_in: 30m
 
     vendor_script:
-        - '/usr/local/bin/entrypoint.sh vendor |& ${TIMESTAMP}'
-        - 'cd ${GOSRC} && ./hack/tree_status.sh |& ${TIMESTAMP}'
+        - 'cd ${CIRRUS_WORKING_DIR} && make vendor'
+        - 'cd ${CIRRUS_WORKING_DIR} && ./hack/tree_status.sh'
 
     on_failure:
         failed_branch_script: '$CIRRUS_WORKING_DIR/$SCRIPT_BASE/notice_branch_failure.sh |& ${TIMESTAMP}'
diff --git a/Makefile b/Makefile
index d0ee213c0..2c1ded9d2 100644
--- a/Makefile
+++ b/Makefile
@@ -523,7 +523,7 @@ vendor:
 		$(GO) mod verify
 
 vendor-in-container:
-	podman run --privileged --rm --env HOME=/root -v `pwd`:/src -w /src docker.io/library/golang:1.12 make vendor
+	podman run --privileged --rm --env HOME=/root -v `pwd`:/src -w /src docker.io/library/golang:1.13 make vendor
 
 .PHONY: \
 	.gopathok \
diff --git a/contrib/cirrus/README.md b/contrib/cirrus/README.md
index 779f95d95..de9a33714 100644
--- a/contrib/cirrus/README.md
+++ b/contrib/cirrus/README.md
@@ -27,7 +27,7 @@ task (pass or fail) is set based on the exit status of the last script to execut
 4. ``lint``: Execute regular `make lint` to check for any code cruft.
    Should also run for less than a few minutes.
 
-5. ``vendor``: runs `make vendor` followed by `./hack/tree_status.sh` to check
+5. ``vendor``: runs `make vendor-in-container` followed by `./hack/tree_status.sh` to check
    whether the git tree is clean. The reasoning for that is to make sure that
    the vendor.conf, the code and the vendored packages in ./vendor are in sync
    at all times.
diff --git a/go.mod b/go.mod
index 8454de8ff..1b4e58225 100644
--- a/go.mod
+++ b/go.mod
@@ -12,6 +12,7 @@ require (
 	github.com/containernetworking/cni v0.7.2-0.20190904153231-83439463f784
 	github.com/containernetworking/plugins v0.8.2
 	github.com/containers/buildah v1.11.5-0.20191031204705-20e92ffe0982
+	github.com/containers/conmon v2.0.2+incompatible // indirect
 	github.com/containers/image/v5 v5.0.0
 	github.com/containers/psgo v1.3.2
 	github.com/containers/storage v1.13.5
diff --git a/go.sum b/go.sum
index b20489688..262cc86a0 100644
--- a/go.sum
+++ b/go.sum
@@ -61,6 +61,8 @@ github.com/containers/buildah v1.11.4-0.20191028173731-21b4778b359e h1:iDavHEx5Y
 github.com/containers/buildah v1.11.4-0.20191028173731-21b4778b359e/go.mod h1:Igrk75FAxLnzDaHUbtpWB8pwL+Bv+cnakWMvqAXW2v8=
 github.com/containers/buildah v1.11.5-0.20191031204705-20e92ffe0982 h1:5WUe09k2sJSbmxwLHZLHc41TrIPrP0GlbhX+WDJBqvs=
 github.com/containers/buildah v1.11.5-0.20191031204705-20e92ffe0982/go.mod h1:eGWB4tLoo0hIBuytQpvgUC0hk2mvl2ofaYBeDsU/qoc=
+github.com/containers/conmon v2.0.2+incompatible h1:h2HCdd/EBpwFn7RT82Y2GyXnVUHWxk1Jm4cESSZG4P8=
+github.com/containers/conmon v2.0.2+incompatible/go.mod h1:hgwZ2mtuDrppv78a/cOBNiCm6O0UMWGx1mu7P00nu5I=
 github.com/containers/image/v5 v5.0.0 h1:arnXgbt1ucsC/ndtSpiQY87rA0UjhF+/xQnPzqdBDn4=
 github.com/containers/image/v5 v5.0.0/go.mod h1:MgiLzCfIeo8lrHi+4Lb8HP+rh513sm0Mlk6RrhjFOLY=
 github.com/containers/libtrust v0.0.0-20190913040956-14b96171aa3b h1:Q8ePgVfHDplZ7U33NwHZkrVELsZP5fYj9pM5WBZB2GE=
diff --git a/vendor/github.com/Microsoft/hcsshim/mksyscall_windows.go b/vendor/github.com/Microsoft/hcsshim/mksyscall_windows.go
deleted file mode 100644
index 7647734de..000000000
--- a/vendor/github.com/Microsoft/hcsshim/mksyscall_windows.go
+++ /dev/null
@@ -1,943 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-/*
-mksyscall_windows generates windows system call bodies
-
-It parses all files specified on command line containing function
-prototypes (like syscall_windows.go) and prints system call bodies
-to standard output.
-
-The prototypes are marked by lines beginning with "//sys" and read
-like func declarations if //sys is replaced by func, but:
-
-* The parameter lists must give a name for each argument. This
-  includes return parameters.
-
-* The parameter lists must give a type for each argument:
-  the (x, y, z int) shorthand is not allowed.
-
-* If the return parameter is an error number, it must be named err.
-
-* If go func name needs to be different from it's winapi dll name,
-  the winapi name could be specified at the end, after "=" sign, like
-  //sys LoadLibrary(libname string) (handle uint32, err error) = LoadLibraryA
-
-* Each function that returns err needs to supply a condition, that
-  return value of winapi will be tested against to detect failure.
-  This would set err to windows "last-error", otherwise it will be nil.
-  The value can be provided at end of //sys declaration, like
-  //sys LoadLibrary(libname string) (handle uint32, err error) [failretval==-1] = LoadLibraryA
-  and is [failretval==0] by default.
-
-Usage:
-	mksyscall_windows [flags] [path ...]
-
-The flags are:
-	-output
-		Specify output file name (outputs to console if blank).
-	-trace
-		Generate print statement after every syscall.
-*/
-package main
-
-import (
-	"bufio"
-	"bytes"
-	"errors"
-	"flag"
-	"fmt"
-	"go/format"
-	"go/parser"
-	"go/token"
-	"io"
-	"io/ioutil"
-	"log"
-	"os"
-	"path/filepath"
-	"runtime"
-	"sort"
-	"strconv"
-	"strings"
-	"text/template"
-)
-
-var (
-	filename       = flag.String("output", "", "output file name (standard output if omitted)")
-	printTraceFlag = flag.Bool("trace", false, "generate print statement after every syscall")
-	systemDLL      = flag.Bool("systemdll", true, "whether all DLLs should be loaded from the Windows system directory")
-	winio          = flag.Bool("winio", false, "import go-winio")
-)
-
-func trim(s string) string {
-	return strings.Trim(s, " \t")
-}
-
-var packageName string
-
-func packagename() string {
-	return packageName
-}
-
-func syscalldot() string {
-	if packageName == "syscall" {
-		return ""
-	}
-	return "syscall."
-}
-
-// Param is function parameter
-type Param struct {
-	Name      string
-	Type      string
-	fn        *Fn
-	tmpVarIdx int
-}
-
-// tmpVar returns temp variable name that will be used to represent p during syscall.
-func (p *Param) tmpVar() string {
-	if p.tmpVarIdx < 0 {
-		p.tmpVarIdx = p.fn.curTmpVarIdx
-		p.fn.curTmpVarIdx++
-	}
-	return fmt.Sprintf("_p%d", p.tmpVarIdx)
-}
-
-// BoolTmpVarCode returns source code for bool temp variable.
-func (p *Param) BoolTmpVarCode() string {
-	const code = `var %s uint32
-	if %s {
-		%s = 1
-	} else {
-		%s = 0
-	}`
-	tmp := p.tmpVar()
-	return fmt.Sprintf(code, tmp, p.Name, tmp, tmp)
-}
-
-// SliceTmpVarCode returns source code for slice temp variable.
-func (p *Param) SliceTmpVarCode() string {
-	const code = `var %s *%s
-	if len(%s) > 0 {
-		%s = &%s[0]
-	}`
-	tmp := p.tmpVar()
-	return fmt.Sprintf(code, tmp, p.Type[2:], p.Name, tmp, p.Name)
-}
-
-// StringTmpVarCode returns source code for string temp variable.
-func (p *Param) StringTmpVarCode() string {
-	errvar := p.fn.Rets.ErrorVarName()
-	if errvar == "" {
-		errvar = "_"
-	}
-	tmp := p.tmpVar()
-	const code = `var %s %s
-	%s, %s = %s(%s)`
-	s := fmt.Sprintf(code, tmp, p.fn.StrconvType(), tmp, errvar, p.fn.StrconvFunc(), p.Name)
-	if errvar == "-" {
-		return s
-	}
-	const morecode = `
-	if %s != nil {
-		return
-	}`
-	return s + fmt.Sprintf(morecode, errvar)
-}
-
-// TmpVarCode returns source code for temp variable.
-func (p *Param) TmpVarCode() string {
-	switch {
-	case p.Type == "bool":
-		return p.BoolTmpVarCode()
-	case strings.HasPrefix(p.Type, "[]"):
-		return p.SliceTmpVarCode()
-	default:
-		return ""
-	}
-}
-
-// TmpVarHelperCode returns source code for helper's temp variable.
-func (p *Param) TmpVarHelperCode() string {
-	if p.Type != "string" {
-		return ""
-	}
-	return p.StringTmpVarCode()
-}
-
-// SyscallArgList returns source code fragments representing p parameter
-// in syscall. Slices are translated into 2 syscall parameters: pointer to
-// the first element and length.
-func (p *Param) SyscallArgList() []string {
-	t := p.HelperType()
-	var s string
-	switch {
-	case t[0] == '*':
-		s = fmt.Sprintf("unsafe.Pointer(%s)", p.Name)
-	case t == "bool":
-		s = p.tmpVar()
-	case strings.HasPrefix(t, "[]"):
-		return []string{
-			fmt.Sprintf("uintptr(unsafe.Pointer(%s))", p.tmpVar()),
-			fmt.Sprintf("uintptr(len(%s))", p.Name),
-		}
-	default:
-		s = p.Name
-	}
-	return []string{fmt.Sprintf("uintptr(%s)", s)}
-}
-
-// IsError determines if p parameter is used to return error.
-func (p *Param) IsError() bool {
-	return p.Name == "err" && p.Type == "error"
-}
-
-// HelperType returns type of parameter p used in helper function.
-func (p *Param) HelperType() string {
-	if p.Type == "string" {
-		return p.fn.StrconvType()
-	}
-	return p.Type
-}
-
-// join concatenates parameters ps into a string with sep separator.
-// Each parameter is converted into string by applying fn to it
-// before conversion.
-func join(ps []*Param, fn func(*Param) string, sep string) string {
-	if len(ps) == 0 {
-		return ""
-	}
-	a := make([]string, 0)
-	for _, p := range ps {
-		a = append(a, fn(p))
-	}
-	return strings.Join(a, sep)
-}
-
-// Rets describes function return parameters.
-type Rets struct {
-	Name         string
-	Type         string
-	ReturnsError bool
-	FailCond     string
-}
-
-// ErrorVarName returns error variable name for r.
-func (r *Rets) ErrorVarName() string {
-	if r.ReturnsError {
-		return "err"
-	}
-	if r.Type == "error" {
-		return r.Name
-	}
-	return ""
-}
-
-// ToParams converts r into slice of *Param.
-func (r *Rets) ToParams() []*Param {
-	ps := make([]*Param, 0)
-	if len(r.Name) > 0 {
-		ps = append(ps, &Param{Name: r.Name, Type: r.Type})
-	}
-	if r.ReturnsError {
-		ps = append(ps, &Param{Name: "err", Type: "error"})
-	}
-	return ps
-}
-
-// List returns source code of syscall return parameters.
-func (r *Rets) List() string {
-	s := join(r.ToParams(), func(p *Param) string { return p.Name + " " + p.Type }, ", ")
-	if len(s) > 0 {
-		s = "(" + s + ")"
-	}
-	return s
-}
-
-// PrintList returns source code of trace printing part correspondent
-// to syscall return values.
-func (r *Rets) PrintList() string {
-	return join(r.ToParams(), func(p *Param) string { return fmt.Sprintf(`"%s=", %s, `, p.Name, p.Name) }, `", ", `)
-}
-
-// SetReturnValuesCode returns source code that accepts syscall return values.
-func (r *Rets) SetReturnValuesCode() string {
-	if r.Name == "" && !r.ReturnsError {
-		return ""
-	}
-	retvar := "r0"
-	if r.Name == "" {
-		retvar = "r1"
-	}
-	errvar := "_"
-	if r.ReturnsError {
-		errvar = "e1"
-	}
-	return fmt.Sprintf("%s, _, %s := ", retvar, errvar)
-}
-
-func (r *Rets) useLongHandleErrorCode(retvar string) string {
-	const code = `if %s {
-		if e1 != 0 {
-			err = errnoErr(e1)
-		} else {
-			err = %sEINVAL
-		}
-	}`
-	cond := retvar + " == 0"
-	if r.FailCond != "" {
-		cond = strings.Replace(r.FailCond, "failretval", retvar, 1)
-	}
-	return fmt.Sprintf(code, cond, syscalldot())
-}
-
-// SetErrorCode returns source code that sets return parameters.
-func (r *Rets) SetErrorCode() string {
-	const code = `if r0 != 0 {
-		%s = %sErrno(r0)
-	}`
-	const hrCode = `if int32(r0) < 0 {
-		if r0&0x1fff0000 == 0x00070000 {
-			r0 &= 0xffff
-		}
-		%s = %sErrno(r0)
-	}`
-	if r.Name == "" && !r.ReturnsError {
-		return ""
-	}
-	if r.Name == "" {
-		return r.useLongHandleErrorCode("r1")
-	}
-	if r.Type == "error" {
-		if r.Name == "hr" {
-			return fmt.Sprintf(hrCode, r.Name, syscalldot())
-		} else {
-			return fmt.Sprintf(code, r.Name, syscalldot())
-		}
-	}
-	s := ""
-	switch {
-	case r.Type[0] == '*':
-		s = fmt.Sprintf("%s = (%s)(unsafe.Pointer(r0))", r.Name, r.Type)
-	case r.Type == "bool":
-		s = fmt.Sprintf("%s = r0 != 0", r.Name)
-	default:
-		s = fmt.Sprintf("%s = %s(r0)", r.Name, r.Type)
-	}
-	if !r.ReturnsError {
-		return s
-	}
-	return s + "\n\t" + r.useLongHandleErrorCode(r.Name)
-}
-
-// Fn describes syscall function.
-type Fn struct {
-	Name        string
-	Params      []*Param
-	Rets        *Rets
-	PrintTrace  bool
-	confirmproc bool
-	dllname     string
-	dllfuncname string
-	src         string
-	// TODO: get rid of this field and just use parameter index instead
-	curTmpVarIdx int // insure tmp variables have uniq names
-}
-
-// extractParams parses s to extract function parameters.
-func extractParams(s string, f *Fn) ([]*Param, error) {
-	s = trim(s)
-	if s == "" {
-		return nil, nil
-	}
-	a := strings.Split(s, ",")
-	ps := make([]*Param, len(a))
-	for i := range ps {
-		s2 := trim(a[i])
-		b := strings.Split(s2, " ")
-		if len(b) != 2 {
-			b = strings.Split(s2, "\t")
-			if len(b) != 2 {
-				return nil, errors.New("Could not extract function parameter from \"" + s2 + "\"")
-			}
-		}
-		ps[i] = &Param{
-			Name:      trim(b[0]),
-			Type:      trim(b[1]),
-			fn:        f,
-			tmpVarIdx: -1,
-		}
-	}
-	return ps, nil
-}
-
-// extractSection extracts text out of string s starting after start
-// and ending just before end. found return value will indicate success,
-// and prefix, body and suffix will contain correspondent parts of string s.
-func extractSection(s string, start, end rune) (prefix, body, suffix string, found bool) {
-	s = trim(s)
-	if strings.HasPrefix(s, string(start)) {
-		// no prefix
-		body = s[1:]
-	} else {
-		a := strings.SplitN(s, string(start), 2)
-		if len(a) != 2 {
-			return "", "", s, false
-		}
-		prefix = a[0]
-		body = a[1]
-	}
-	a := strings.SplitN(body, string(end), 2)
-	if len(a) != 2 {
-		return "", "", "", false
-	}
-	return prefix, a[0], a[1], true
-}
-
-// newFn parses string s and return created function Fn.
-func newFn(s string) (*Fn, error) {
-	s = trim(s)
-	f := &Fn{
-		Rets:       &Rets{},
-		src:        s,
-		PrintTrace: *printTraceFlag,
-	}
-	// function name and args
-	prefix, body, s, found := extractSection(s, '(', ')')
-	if !found || prefix == "" {
-		return nil, errors.New("Could not extract function name and parameters from \"" + f.src + "\"")
-	}
-	f.Name = prefix
-	var err error
-	f.Params, err = extractParams(body, f)
-	if err != nil {
-		return nil, err
-	}
-	// return values
-	_, body, s, found = extractSection(s, '(', ')')
-	if found {
-		r, err := extractParams(body, f)
-		if err != nil {
-			return nil, err
-		}
-		switch len(r) {
-		case 0:
-		case 1:
-			if r[0].IsError() {
-				f.Rets.ReturnsError = true
-			} else {
-				f.Rets.Name = r[0].Name
-				f.Rets.Type = r[0].Type
-			}
-		case 2:
-			if !r[1].IsError() {
-				return nil, errors.New("Only last windows error is allowed as second return value in \"" + f.src + "\"")
-			}
-			f.Rets.ReturnsError = true
-			f.Rets.Name = r[0].Name
-			f.Rets.Type = r[0].Type
-		default:
-			return nil, errors.New("Too many return values in \"" + f.src + "\"")
-		}
-	}
-	// fail condition
-	_, body, s, found = extractSection(s, '[', ']')
-	if found {
-		f.Rets.FailCond = body
-	}
-	// dll and dll function names
-	s = trim(s)
-	if s == "" {
-		return f, nil
-	}
-	if !strings.HasPrefix(s, "=") {
-		return nil, errors.New("Could not extract dll name from \"" + f.src + "\"")
-	}
-	s = trim(s[1:])
-	a := strings.Split(s, ".")
-	switch len(a) {
-	case 1:
-		f.dllfuncname = a[0]
-	case 2:
-		f.dllname = a[0]
-		f.dllfuncname = a[1]
-	default:
-		return nil, errors.New("Could not extract dll name from \"" + f.src + "\"")
-	}
-	if f.dllfuncname[len(f.dllfuncname)-1] == '?' {
-		f.confirmproc = true
-		f.dllfuncname = f.dllfuncname[0 : len(f.dllfuncname)-1]
-	}
-	return f, nil
-}
-
-// DLLName returns DLL name for function f.
-func (f *Fn) DLLName() string {
-	if f.dllname == "" {
-		return "kernel32"
-	}
-	return f.dllname
-}
-
-// DLLName returns DLL function name for function f.
-func (f *Fn) DLLFuncName() string {
-	if f.dllfuncname == "" {
-		return f.Name
-	}
-	return f.dllfuncname
-}
-
-func (f *Fn) ConfirmProc() bool {
-	return f.confirmproc
-}
-
-// ParamList returns source code for function f parameters.
-func (f *Fn) ParamList() string {
-	return join(f.Params, func(p *Param) string { return p.Name + " " + p.Type }, ", ")
-}
-
-// HelperParamList returns source code for helper function f parameters.
-func (f *Fn) HelperParamList() string {
-	return join(f.Params, func(p *Param) string { return p.Name + " " + p.HelperType() }, ", ")
-}
-
-// ParamPrintList returns source code of trace printing part correspondent
-// to syscall input parameters.
-func (f *Fn) ParamPrintList() string {
-	return join(f.Params, func(p *Param) string { return fmt.Sprintf(`"%s=", %s, `, p.Name, p.Name) }, `", ", `)
-}
-
-// ParamCount return number of syscall parameters for function f.
-func (f *Fn) ParamCount() int {
-	n := 0
-	for _, p := range f.Params {
-		n += len(p.SyscallArgList())
-	}
-	return n
-}
-
-// SyscallParamCount determines which version of Syscall/Syscall6/Syscall9/...
-// to use. It returns parameter count for correspondent SyscallX function.
-func (f *Fn) SyscallParamCount() int {
-	n := f.ParamCount()
-	switch {
-	case n <= 3:
-		return 3
-	case n <= 6:
-		return 6
-	case n <= 9:
-		return 9
-	case n <= 12:
-		return 12
-	case n <= 15:
-		return 15
-	default:
-		panic("too many arguments to system call")
-	}
-}
-
-// Syscall determines which SyscallX function to use for function f.
-func (f *Fn) Syscall() string {
-	c := f.SyscallParamCount()
-	if c == 3 {
-		return syscalldot() + "Syscall"
-	}
-	return syscalldot() + "Syscall" + strconv.Itoa(c)
-}
-
-// SyscallParamList returns source code for SyscallX parameters for function f.
-func (f *Fn) SyscallParamList() string {
-	a := make([]string, 0)
-	for _, p := range f.Params {
-		a = append(a, p.SyscallArgList()...)
-	}
-	for len(a) < f.SyscallParamCount() {
-		a = append(a, "0")
-	}
-	return strings.Join(a, ", ")
-}
-
-// HelperCallParamList returns source code of call into function f helper.
-func (f *Fn) HelperCallParamList() string {
-	a := make([]string, 0, len(f.Params))
-	for _, p := range f.Params {
-		s := p.Name
-		if p.Type == "string" {
-			s = p.tmpVar()
-		}
-		a = append(a, s)
-	}
-	return strings.Join(a, ", ")
-}
-
-// IsUTF16 is true, if f is W (utf16) function. It is false
-// for all A (ascii) functions.
-func (_ *Fn) IsUTF16() bool {
-	return true
-}
-
-// StrconvFunc returns name of Go string to OS string function for f.
-func (f *Fn) StrconvFunc() string {
-	if f.IsUTF16() {
-		return syscalldot() + "UTF16PtrFromString"
-	}
-	return syscalldot() + "BytePtrFromString"
-}
-
-// StrconvType returns Go type name used for OS string for f.
-func (f *Fn) StrconvType() string {
-	if f.IsUTF16() {
-		return "*uint16"
-	}
-	return "*byte"
-}
-
-// HasStringParam is true, if f has at least one string parameter.
-// Otherwise it is false.
-func (f *Fn) HasStringParam() bool {
-	for _, p := range f.Params {
-		if p.Type == "string" {
-			return true
-		}
-	}
-	return false
-}
-
-var uniqDllFuncName = make(map[string]bool)
-
-// IsNotDuplicate is true if f is not a duplicated function
-func (f *Fn) IsNotDuplicate() bool {
-	funcName := f.DLLFuncName()
-	if uniqDllFuncName[funcName] == false {
-		uniqDllFuncName[funcName] = true
-		return true
-	}
-	return false
-}
-
-// HelperName returns name of function f helper.
-func (f *Fn) HelperName() string {
-	if !f.HasStringParam() {
-		return f.Name
-	}
-	return "_" + f.Name
-}
-
-// Source files and functions.
-type Source struct {
-	Funcs           []*Fn
-	Files           []string
-	StdLibImports   []string
-	ExternalImports []string
-}
-
-func (src *Source) Import(pkg string) {
-	src.StdLibImports = append(src.StdLibImports, pkg)
-	sort.Strings(src.StdLibImports)
-}
-
-func (src *Source) ExternalImport(pkg string) {
-	src.ExternalImports = append(src.ExternalImports, pkg)
-	sort.Strings(src.ExternalImports)
-}
-
-// ParseFiles parses files listed in fs and extracts all syscall
-// functions listed in  sys comments. It returns source files
-// and functions collection *Source if successful.
-func ParseFiles(fs []string) (*Source, error) {
-	src := &Source{
-		Funcs: make([]*Fn, 0),
-		Files: make([]string, 0),
-		StdLibImports: []string{
-			"unsafe",
-		},
-		ExternalImports: make([]string, 0),
-	}
-	for _, file := range fs {
-		if err := src.ParseFile(file); err != nil {
-			return nil, err
-		}
-	}
-	return src, nil
-}
-
-// DLLs return dll names for a source set src.
-func (src *Source) DLLs() []string {
-	uniq := make(map[string]bool)
-	r := make([]string, 0)
-	for _, f := range src.Funcs {
-		name := f.DLLName()
-		if _, found := uniq[name]; !found {
-			uniq[name] = true
-			r = append(r, name)
-		}
-	}
-	return r
-}
-
-// ParseFile adds additional file path to a source set src.
-func (src *Source) ParseFile(path string) error {
-	file, err := os.Open(path)
-	if err != nil {
-		return err
-	}
-	defer file.Close()
-
-	s := bufio.NewScanner(file)
-	for s.Scan() {
-		t := trim(s.Text())
-		if len(t) < 7 {
-			continue
-		}
-		if !strings.HasPrefix(t, "//sys") {
-			continue
-		}
-		t = t[5:]
-		if !(t[0] == ' ' || t[0] == '\t') {
-			continue
-		}
-		f, err := newFn(t[1:])
-		if err != nil {
-			return err
-		}
-		src.Funcs = append(src.Funcs, f)
-	}
-	if err := s.Err(); err != nil {
-		return err
-	}
-	src.Files = append(src.Files, path)
-
-	// get package name
-	fset := token.NewFileSet()
-	_, err = file.Seek(0, 0)
-	if err != nil {
-		return err
-	}
-	pkg, err := parser.ParseFile(fset, "", file, parser.PackageClauseOnly)
-	if err != nil {
-		return err
-	}
-	packageName = pkg.Name.Name
-
-	return nil
-}
-
-// IsStdRepo returns true if src is part of standard library.
-func (src *Source) IsStdRepo() (bool, error) {
-	if len(src.Files) == 0 {
-		return false, errors.New("no input files provided")
-	}
-	abspath, err := filepath.Abs(src.Files[0])
-	if err != nil {
-		return false, err
-	}
-	goroot := runtime.GOROOT()
-	if runtime.GOOS == "windows" {
-		abspath = strings.ToLower(abspath)
-		goroot = strings.ToLower(goroot)
-	}
-	sep := string(os.PathSeparator)
-	if !strings.HasSuffix(goroot, sep) {
-		goroot += sep
-	}
-	return strings.HasPrefix(abspath, goroot), nil
-}
-
-// Generate output source file from a source set src.
-func (src *Source) Generate(w io.Writer) error {
-	const (
-		pkgStd         = iota // any package in std library
-		pkgXSysWindows        // x/sys/windows package
-		pkgOther
-	)
-	isStdRepo, err := src.IsStdRepo()
-	if err != nil {
-		return err
-	}
-	var pkgtype int
-	switch {
-	case isStdRepo:
-		pkgtype = pkgStd
-	case packageName == "windows":
-		// TODO: this needs better logic than just using package name
-		pkgtype = pkgXSysWindows
-	default:
-		pkgtype = pkgOther
-	}
-	if *systemDLL {
-		switch pkgtype {
-		case pkgStd:
-			src.Import("internal/syscall/windows/sysdll")
-		case pkgXSysWindows:
-		default:
-			src.ExternalImport("golang.org/x/sys/windows")
-		}
-	}
-	if *winio {
-		src.ExternalImport("github.com/Microsoft/go-winio")
-	}
-	if packageName != "syscall" {
-		src.Import("syscall")
-	}
-	funcMap := template.FuncMap{
-		"packagename": packagename,
-		"syscalldot":  syscalldot,
-		"newlazydll": func(dll string) string {
-			arg := "\"" + dll + ".dll\""
-			if !*systemDLL {
-				return syscalldot() + "NewLazyDLL(" + arg + ")"
-			}
-			if strings.HasPrefix(dll, "api_") || strings.HasPrefix(dll, "ext_") {
-				arg = strings.Replace(arg, "_", "-", -1)
-			}
-			switch pkgtype {
-			case pkgStd:
-				return syscalldot() + "NewLazyDLL(sysdll.Add(" + arg + "))"
-			case pkgXSysWindows:
-				return "NewLazySystemDLL(" + arg + ")"
-			default:
-				return "windows.NewLazySystemDLL(" + arg + ")"
-			}
-		},
-	}
-	t := template.Must(template.New("main").Funcs(funcMap).Parse(srcTemplate))
-	err = t.Execute(w, src)
-	if err != nil {
-		return errors.New("Failed to execute template: " + err.Error())
-	}
-	return nil
-}
-
-func usage() {
-	fmt.Fprintf(os.Stderr, "usage: mksyscall_windows [flags] [path ...]\n")
-	flag.PrintDefaults()
-	os.Exit(1)
-}
-
-func main() {
-	flag.Usage = usage
-	flag.Parse()
-	if len(flag.Args()) <= 0 {
-		fmt.Fprintf(os.Stderr, "no files to parse provided\n")
-		usage()
-	}
-
-	src, err := ParseFiles(flag.Args())
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	var buf bytes.Buffer
-	if err := src.Generate(&buf); err != nil {
-		log.Fatal(err)
-	}
-
-	data, err := format.Source(buf.Bytes())
-	if err != nil {
-		log.Fatal(err)
-	}
-	if *filename == "" {
-		_, err = os.Stdout.Write(data)
-	} else {
-		err = ioutil.WriteFile(*filename, data, 0644)
-	}
-	if err != nil {
-		log.Fatal(err)
-	}
-}
-
-// TODO: use println instead to print in the following template
-const srcTemplate = `
-
-{{define "main"}}// Code generated mksyscall_windows.exe DO NOT EDIT
-
-package {{packagename}}
-
-import (
-{{range .StdLibImports}}"{{.}}"
-{{end}}
-
-{{range .ExternalImports}}"{{.}}"
-{{end}}
-)
-
-var _ unsafe.Pointer
-
-// Do the interface allocations only once for common
-// Errno values.
-const (
-	errnoERROR_IO_PENDING = 997
-)
-
-var (
-	errERROR_IO_PENDING error = {{syscalldot}}Errno(errnoERROR_IO_PENDING)
-)
-
-// errnoErr returns common boxed Errno values, to prevent
-// allocations at runtime.
-func errnoErr(e {{syscalldot}}Errno) error {
-	switch e {
-	case 0:
-		return nil
-	case errnoERROR_IO_PENDING:
-		return errERROR_IO_PENDING
-	}
-	// TODO: add more here, after collecting data on the common
-	// error values see on Windows. (perhaps when running
-	// all.bat?)
-	return e
-}
-
-var (
-{{template "dlls" .}}
-{{template "funcnames" .}})
-{{range .Funcs}}{{if .HasStringParam}}{{template "helperbody" .}}{{end}}{{template "funcbody" .}}{{end}}
-{{end}}
-
-{{/* help functions */}}
-
-{{define "dlls"}}{{range .DLLs}}	mod{{.}} = {{newlazydll .}}
-{{end}}{{end}}
-
-{{define "funcnames"}}{{range .Funcs}}{{if .IsNotDuplicate}}	proc{{.DLLFuncName}} = mod{{.DLLName}}.NewProc("{{.DLLFuncName}}"){{end}}
-{{end}}{{end}}
-
-{{define "helperbody"}}
-func {{.Name}}({{.ParamList}}) {{template "results" .}}{
-{{template "helpertmpvars" .}}	return {{.HelperName}}({{.HelperCallParamList}})
-}
-{{end}}
-
-{{define "funcbody"}}
-func {{.HelperName}}({{.HelperParamList}}) {{template "results" .}}{
-{{template "tmpvars" .}}	{{template "syscallcheck" .}}{{template "syscall" .}}
-{{template "seterror" .}}{{template "printtrace" .}}	return
-}
-{{end}}
-
-{{define "helpertmpvars"}}{{range .Params}}{{if .TmpVarHelperCode}}	{{.TmpVarHelperCode}}
-{{end}}{{end}}{{end}}
-
-{{define "tmpvars"}}{{range .Params}}{{if .TmpVarCode}}	{{.TmpVarCode}}
-{{end}}{{end}}{{end}}
-
-{{define "results"}}{{if .Rets.List}}{{.Rets.List}} {{end}}{{end}}
-
-{{define "syscall"}}{{.Rets.SetReturnValuesCode}}{{.Syscall}}(proc{{.DLLFuncName}}.Addr(), {{.ParamCount}}, {{.SyscallParamList}}){{end}}
-
-{{define "syscallcheck"}}{{if .ConfirmProc}}if {{.Rets.ErrorVarName}} = proc{{.DLLFuncName}}.Find(); {{.Rets.ErrorVarName}} != nil {
-    return
-}
-{{end}}{{end}}
-
-
-{{define "seterror"}}{{if .Rets.SetErrorCode}}	{{.Rets.SetErrorCode}}
-{{end}}{{end}}
-
-{{define "printtrace"}}{{if .PrintTrace}}	print("SYSCALL: {{.Name}}(", {{.ParamPrintList}}") (", {{.Rets.PrintList}}")\n")
-{{end}}{{end}}
-
-`
diff --git a/vendor/github.com/containers/storage/pkg/archive/example_changes.go b/vendor/github.com/containers/storage/pkg/archive/example_changes.go
deleted file mode 100644
index 70f9c5564..000000000
--- a/vendor/github.com/containers/storage/pkg/archive/example_changes.go
+++ /dev/null
@@ -1,97 +0,0 @@
-// +build ignore
-
-// Simple tool to create an archive stream from an old and new directory
-//
-// By default it will stream the comparison of two temporary directories with junk files
-package main
-
-import (
-	"flag"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"os"
-	"path"
-
-	"github.com/containers/storage/pkg/archive"
-	"github.com/sirupsen/logrus"
-)
-
-var (
-	flDebug  = flag.Bool("D", false, "debugging output")
-	flNewDir = flag.String("newdir", "", "")
-	flOldDir = flag.String("olddir", "", "")
-	log      = logrus.New()
-)
-
-func main() {
-	flag.Usage = func() {
-		fmt.Println("Produce a tar from comparing two directory paths. By default a demo tar is created of around 200 files (including hardlinks)")
-		fmt.Printf("%s [OPTIONS]\n", os.Args[0])
-		flag.PrintDefaults()
-	}
-	flag.Parse()
-	log.Out = os.Stderr
-	if (len(os.Getenv("DEBUG")) > 0) || *flDebug {
-		logrus.SetLevel(logrus.DebugLevel)
-	}
-	var newDir, oldDir string
-
-	if len(*flNewDir) == 0 {
-		var err error
-		newDir, err = ioutil.TempDir("", "storage-test-newDir")
-		if err != nil {
-			log.Fatal(err)
-		}
-		defer os.RemoveAll(newDir)
-		if _, err := prepareUntarSourceDirectory(100, newDir, true); err != nil {
-			log.Fatal(err)
-		}
-	} else {
-		newDir = *flNewDir
-	}
-
-	if len(*flOldDir) == 0 {
-		oldDir, err := ioutil.TempDir("", "storage-test-oldDir")
-		if err != nil {
-			log.Fatal(err)
-		}
-		defer os.RemoveAll(oldDir)
-	} else {
-		oldDir = *flOldDir
-	}
-
-	changes, err := archive.ChangesDirs(newDir, oldDir)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	a, err := archive.ExportChanges(newDir, changes)
-	if err != nil {
-		log.Fatal(err)
-	}
-	defer a.Close()
-
-	i, err := io.Copy(os.Stdout, a)
-	if err != nil && err != io.EOF {
-		log.Fatal(err)
-	}
-	fmt.Fprintf(os.Stderr, "wrote archive of %d bytes", i)
-}
-
-func prepareUntarSourceDirectory(numberOfFiles int, targetPath string, makeLinks bool) (int, error) {
-	fileData := []byte("fooo")
-	for n := 0; n < numberOfFiles; n++ {
-		fileName := fmt.Sprintf("file-%d", n)
-		if err := ioutil.WriteFile(path.Join(targetPath, fileName), fileData, 0700); err != nil {
-			return 0, err
-		}
-		if makeLinks {
-			if err := os.Link(path.Join(targetPath, fileName), path.Join(targetPath, fileName+"-link")); err != nil {
-				return 0, err
-			}
-		}
-	}
-	totalSize := numberOfFiles * len(fileData)
-	return totalSize, nil
-}
diff --git a/vendor/github.com/docker/docker/pkg/archive/example_changes.go b/vendor/github.com/docker/docker/pkg/archive/example_changes.go
deleted file mode 100644
index 495db809e..000000000
--- a/vendor/github.com/docker/docker/pkg/archive/example_changes.go
+++ /dev/null
@@ -1,97 +0,0 @@
-// +build ignore
-
-// Simple tool to create an archive stream from an old and new directory
-//
-// By default it will stream the comparison of two temporary directories with junk files
-package main
-
-import (
-	"flag"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"os"
-	"path"
-
-	"github.com/docker/docker/pkg/archive"
-	"github.com/sirupsen/logrus"
-)
-
-var (
-	flDebug  = flag.Bool("D", false, "debugging output")
-	flNewDir = flag.String("newdir", "", "")
-	flOldDir = flag.String("olddir", "", "")
-	log      = logrus.New()
-)
-
-func main() {
-	flag.Usage = func() {
-		fmt.Println("Produce a tar from comparing two directory paths. By default a demo tar is created of around 200 files (including hardlinks)")
-		fmt.Printf("%s [OPTIONS]\n", os.Args[0])
-		flag.PrintDefaults()
-	}
-	flag.Parse()
-	log.Out = os.Stderr
-	if (len(os.Getenv("DEBUG")) > 0) || *flDebug {
-		logrus.SetLevel(logrus.DebugLevel)
-	}
-	var newDir, oldDir string
-
-	if len(*flNewDir) == 0 {
-		var err error
-		newDir, err = ioutil.TempDir("", "docker-test-newDir")
-		if err != nil {
-			log.Fatal(err)
-		}
-		defer os.RemoveAll(newDir)
-		if _, err := prepareUntarSourceDirectory(100, newDir, true); err != nil {
-			log.Fatal(err)
-		}
-	} else {
-		newDir = *flNewDir
-	}
-
-	if len(*flOldDir) == 0 {
-		oldDir, err := ioutil.TempDir("", "docker-test-oldDir")
-		if err != nil {
-			log.Fatal(err)
-		}
-		defer os.RemoveAll(oldDir)
-	} else {
-		oldDir = *flOldDir
-	}
-
-	changes, err := archive.ChangesDirs(newDir, oldDir)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	a, err := archive.ExportChanges(newDir, changes)
-	if err != nil {
-		log.Fatal(err)
-	}
-	defer a.Close()
-
-	i, err := io.Copy(os.Stdout, a)
-	if err != nil && err != io.EOF {
-		log.Fatal(err)
-	}
-	fmt.Fprintf(os.Stderr, "wrote archive of %d bytes", i)
-}
-
-func prepareUntarSourceDirectory(numberOfFiles int, targetPath string, makeLinks bool) (int, error) {
-	fileData := []byte("fooo")
-	for n := 0; n < numberOfFiles; n++ {
-		fileName := fmt.Sprintf("file-%d", n)
-		if err := ioutil.WriteFile(path.Join(targetPath, fileName), fileData, 0700); err != nil {
-			return 0, err
-		}
-		if makeLinks {
-			if err := os.Link(path.Join(targetPath, fileName), path.Join(targetPath, fileName+"-link")); err != nil {
-				return 0, err
-			}
-		}
-	}
-	totalSize := numberOfFiles * len(fileData)
-	return totalSize, nil
-}
diff --git a/vendor/github.com/klauspost/compress/flate/gen.go b/vendor/github.com/klauspost/compress/flate/gen.go
deleted file mode 100644
index 154c89a48..000000000
--- a/vendor/github.com/klauspost/compress/flate/gen.go
+++ /dev/null
@@ -1,265 +0,0 @@
-// Copyright 2012 The Go Authors.  All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// This program generates fixedhuff.go
-// Invoke as
-//
-//	go run gen.go -output fixedhuff.go
-
-package main
-
-import (
-	"bytes"
-	"flag"
-	"fmt"
-	"go/format"
-	"io/ioutil"
-	"log"
-)
-
-var filename = flag.String("output", "fixedhuff.go", "output file name")
-
-const maxCodeLen = 16
-
-// Note: the definition of the huffmanDecoder struct is copied from
-// inflate.go, as it is private to the implementation.
-
-// chunk & 15 is number of bits
-// chunk >> 4 is value, including table link
-
-const (
-	huffmanChunkBits  = 9
-	huffmanNumChunks  = 1 << huffmanChunkBits
-	huffmanCountMask  = 15
-	huffmanValueShift = 4
-)
-
-type huffmanDecoder struct {
-	min      int                      // the minimum code length
-	chunks   [huffmanNumChunks]uint32 // chunks as described above
-	links    [][]uint32               // overflow links
-	linkMask uint32                   // mask the width of the link table
-}
-
-// Initialize Huffman decoding tables from array of code lengths.
-// Following this function, h is guaranteed to be initialized into a complete
-// tree (i.e., neither over-subscribed nor under-subscribed). The exception is a
-// degenerate case where the tree has only a single symbol with length 1. Empty
-// trees are permitted.
-func (h *huffmanDecoder) init(bits []int) bool {
-	// Sanity enables additional runtime tests during Huffman
-	// table construction.  It's intended to be used during
-	// development to supplement the currently ad-hoc unit tests.
-	const sanity = false
-
-	if h.min != 0 {
-		*h = huffmanDecoder{}
-	}
-
-	// Count number of codes of each length,
-	// compute min and max length.
-	var count [maxCodeLen]int
-	var min, max int
-	for _, n := range bits {
-		if n == 0 {
-			continue
-		}
-		if min == 0 || n < min {
-			min = n
-		}
-		if n > max {
-			max = n
-		}
-		count[n]++
-	}
-
-	// Empty tree. The decompressor.huffSym function will fail later if the tree
-	// is used. Technically, an empty tree is only valid for the HDIST tree and
-	// not the HCLEN and HLIT tree. However, a stream with an empty HCLEN tree
-	// is guaranteed to fail since it will attempt to use the tree to decode the
-	// codes for the HLIT and HDIST trees. Similarly, an empty HLIT tree is
-	// guaranteed to fail later since the compressed data section must be
-	// composed of at least one symbol (the end-of-block marker).
-	if max == 0 {
-		return true
-	}
-
-	code := 0
-	var nextcode [maxCodeLen]int
-	for i := min; i <= max; i++ {
-		code <<= 1
-		nextcode[i] = code
-		code += count[i]
-	}
-
-	// Check that the coding is complete (i.e., that we've
-	// assigned all 2-to-the-max possible bit sequences).
-	// Exception: To be compatible with zlib, we also need to
-	// accept degenerate single-code codings.  See also
-	// TestDegenerateHuffmanCoding.
-	if code != 1<<uint(max) && !(code == 1 && max == 1) {
-		return false
-	}
-
-	h.min = min
-	if max > huffmanChunkBits {
-		numLinks := 1 << (uint(max) - huffmanChunkBits)
-		h.linkMask = uint32(numLinks - 1)
-
-		// create link tables
-		link := nextcode[huffmanChunkBits+1] >> 1
-		h.links = make([][]uint32, huffmanNumChunks-link)
-		for j := uint(link); j < huffmanNumChunks; j++ {
-			reverse := int(reverseByte[j>>8]) | int(reverseByte[j&0xff])<<8
-			reverse >>= uint(16 - huffmanChunkBits)
-			off := j - uint(link)
-			if sanity && h.chunks[reverse] != 0 {
-				panic("impossible: overwriting existing chunk")
-			}
-			h.chunks[reverse] = uint32(off<<huffmanValueShift | (huffmanChunkBits + 1))
-			h.links[off] = make([]uint32, numLinks)
-		}
-	}
-
-	for i, n := range bits {
-		if n == 0 {
-			continue
-		}
-		code := nextcode[n]
-		nextcode[n]++
-		chunk := uint32(i<<huffmanValueShift | n)
-		reverse := int(reverseByte[code>>8]) | int(reverseByte[code&0xff])<<8
-		reverse >>= uint(16 - n)
-		if n <= huffmanChunkBits {
-			for off := reverse; off < len(h.chunks); off += 1 << uint(n) {
-				// We should never need to overwrite
-				// an existing chunk.  Also, 0 is
-				// never a valid chunk, because the
-				// lower 4 "count" bits should be
-				// between 1 and 15.
-				if sanity && h.chunks[off] != 0 {
-					panic("impossible: overwriting existing chunk")
-				}
-				h.chunks[off] = chunk
-			}
-		} else {
-			j := reverse & (huffmanNumChunks - 1)
-			if sanity && h.chunks[j]&huffmanCountMask != huffmanChunkBits+1 {
-				// Longer codes should have been
-				// associated with a link table above.
-				panic("impossible: not an indirect chunk")
-			}
-			value := h.chunks[j] >> huffmanValueShift
-			linktab := h.links[value]
-			reverse >>= huffmanChunkBits
-			for off := reverse; off < len(linktab); off += 1 << uint(n-huffmanChunkBits) {
-				if sanity && linktab[off] != 0 {
-					panic("impossible: overwriting existing chunk")
-				}
-				linktab[off] = chunk
-			}
-		}
-	}
-
-	if sanity {
-		// Above we've sanity checked that we never overwrote
-		// an existing entry.  Here we additionally check that
-		// we filled the tables completely.
-		for i, chunk := range h.chunks {
-			if chunk == 0 {
-				// As an exception, in the degenerate
-				// single-code case, we allow odd
-				// chunks to be missing.
-				if code == 1 && i%2 == 1 {
-					continue
-				}
-				panic("impossible: missing chunk")
-			}
-		}
-		for _, linktab := range h.links {
-			for _, chunk := range linktab {
-				if chunk == 0 {
-					panic("impossible: missing chunk")
-				}
-			}
-		}
-	}
-
-	return true
-}
-
-func main() {
-	flag.Parse()
-
-	var h huffmanDecoder
-	var bits [288]int
-	initReverseByte()
-	for i := 0; i < 144; i++ {
-		bits[i] = 8
-	}
-	for i := 144; i < 256; i++ {
-		bits[i] = 9
-	}
-	for i := 256; i < 280; i++ {
-		bits[i] = 7
-	}
-	for i := 280; i < 288; i++ {
-		bits[i] = 8
-	}
-	h.init(bits[:])
-	if h.links != nil {
-		log.Fatal("Unexpected links table in fixed Huffman decoder")
-	}
-
-	var buf bytes.Buffer
-
-	fmt.Fprintf(&buf, `// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.`+"\n\n")
-
-	fmt.Fprintln(&buf, "package flate")
-	fmt.Fprintln(&buf)
-	fmt.Fprintln(&buf, "// autogenerated by go run gen.go -output fixedhuff.go, DO NOT EDIT")
-	fmt.Fprintln(&buf)
-	fmt.Fprintln(&buf, "var fixedHuffmanDecoder = huffmanDecoder{")
-	fmt.Fprintf(&buf, "\t%d,\n", h.min)
-	fmt.Fprintln(&buf, "\t[huffmanNumChunks]uint32{")
-	for i := 0; i < huffmanNumChunks; i++ {
-		if i&7 == 0 {
-			fmt.Fprintf(&buf, "\t\t")
-		} else {
-			fmt.Fprintf(&buf, " ")
-		}
-		fmt.Fprintf(&buf, "0x%04x,", h.chunks[i])
-		if i&7 == 7 {
-			fmt.Fprintln(&buf)
-		}
-	}
-	fmt.Fprintln(&buf, "\t},")
-	fmt.Fprintln(&buf, "\tnil, 0,")
-	fmt.Fprintln(&buf, "}")
-
-	data, err := format.Source(buf.Bytes())
-	if err != nil {
-		log.Fatal(err)
-	}
-	err = ioutil.WriteFile(*filename, data, 0644)
-	if err != nil {
-		log.Fatal(err)
-	}
-}
-
-var reverseByte [256]byte
-
-func initReverseByte() {
-	for x := 0; x < 256; x++ {
-		var result byte
-		for i := uint(0); i < 8; i++ {
-			result |= byte(((x >> i) & 1) << (7 - i))
-		}
-		reverseByte[x] = result
-	}
-}
diff --git a/vendor/github.com/klauspost/cpuid/private-gen.go b/vendor/github.com/klauspost/cpuid/private-gen.go
deleted file mode 100644
index 437333d29..000000000
--- a/vendor/github.com/klauspost/cpuid/private-gen.go
+++ /dev/null
@@ -1,476 +0,0 @@
-// +build ignore
-
-package main
-
-import (
-	"bytes"
-	"fmt"
-	"go/ast"
-	"go/parser"
-	"go/printer"
-	"go/token"
-	"io"
-	"io/ioutil"
-	"log"
-	"os"
-	"reflect"
-	"strings"
-	"unicode"
-	"unicode/utf8"
-)
-
-var inFiles = []string{"cpuid.go", "cpuid_test.go"}
-var copyFiles = []string{"cpuid_amd64.s", "cpuid_386.s", "detect_ref.go", "detect_intel.go"}
-var fileSet = token.NewFileSet()
-var reWrites = []rewrite{
-	initRewrite("CPUInfo -> cpuInfo"),
-	initRewrite("Vendor -> vendor"),
-	initRewrite("Flags -> flags"),
-	initRewrite("Detect -> detect"),
-	initRewrite("CPU -> cpu"),
-}
-var excludeNames = map[string]bool{"string": true, "join": true, "trim": true,
-	// cpuid_test.go
-	"t": true, "println": true, "logf": true, "log": true, "fatalf": true, "fatal": true,
-}
-
-var excludePrefixes = []string{"test", "benchmark"}
-
-func main() {
-	Package := "private"
-	parserMode := parser.ParseComments
-	exported := make(map[string]rewrite)
-	for _, file := range inFiles {
-		in, err := os.Open(file)
-		if err != nil {
-			log.Fatalf("opening input", err)
-		}
-
-		src, err := ioutil.ReadAll(in)
-		if err != nil {
-			log.Fatalf("reading input", err)
-		}
-
-		astfile, err := parser.ParseFile(fileSet, file, src, parserMode)
-		if err != nil {
-			log.Fatalf("parsing input", err)
-		}
-
-		for _, rw := range reWrites {
-			astfile = rw(astfile)
-		}
-
-		// Inspect the AST and print all identifiers and literals.
-		var startDecl token.Pos
-		var endDecl token.Pos
-		ast.Inspect(astfile, func(n ast.Node) bool {
-			var s string
-			switch x := n.(type) {
-			case *ast.Ident:
-				if x.IsExported() {
-					t := strings.ToLower(x.Name)
-					for _, pre := range excludePrefixes {
-						if strings.HasPrefix(t, pre) {
-							return true
-						}
-					}
-					if excludeNames[t] != true {
-						//if x.Pos() > startDecl && x.Pos() < endDecl {
-						exported[x.Name] = initRewrite(x.Name + " -> " + t)
-					}
-				}
-
-			case *ast.GenDecl:
-				if x.Tok == token.CONST && x.Lparen > 0 {
-					startDecl = x.Lparen
-					endDecl = x.Rparen
-					// fmt.Printf("Decl:%s -> %s\n", fileSet.Position(startDecl), fileSet.Position(endDecl))
-				}
-			}
-			if s != "" {
-				fmt.Printf("%s:\t%s\n", fileSet.Position(n.Pos()), s)
-			}
-			return true
-		})
-
-		for _, rw := range exported {
-			astfile = rw(astfile)
-		}
-
-		var buf bytes.Buffer
-
-		printer.Fprint(&buf, fileSet, astfile)
-
-		// Remove package documentation and insert information
-		s := buf.String()
-		ind := strings.Index(buf.String(), "\npackage cpuid")
-		s = s[ind:]
-		s = "// Generated, DO NOT EDIT,\n" +
-			"// but copy it to your own project and rename the package.\n" +
-			"// See more at http://github.com/klauspost/cpuid\n" +
-			s
-
-		outputName := Package + string(os.PathSeparator) + file
-
-		err = ioutil.WriteFile(outputName, []byte(s), 0644)
-		if err != nil {
-			log.Fatalf("writing output: %s", err)
-		}
-		log.Println("Generated", outputName)
-	}
-
-	for _, file := range copyFiles {
-		dst := ""
-		if strings.HasPrefix(file, "cpuid") {
-			dst = Package + string(os.PathSeparator) + file
-		} else {
-			dst = Package + string(os.PathSeparator) + "cpuid_" + file
-		}
-		err := copyFile(file, dst)
-		if err != nil {
-			log.Fatalf("copying file: %s", err)
-		}
-		log.Println("Copied", dst)
-	}
-}
-
-// CopyFile copies a file from src to dst. If src and dst files exist, and are
-// the same, then return success. Copy the file contents from src to dst.
-func copyFile(src, dst string) (err error) {
-	sfi, err := os.Stat(src)
-	if err != nil {
-		return
-	}
-	if !sfi.Mode().IsRegular() {
-		// cannot copy non-regular files (e.g., directories,
-		// symlinks, devices, etc.)
-		return fmt.Errorf("CopyFile: non-regular source file %s (%q)", sfi.Name(), sfi.Mode().String())
-	}
-	dfi, err := os.Stat(dst)
-	if err != nil {
-		if !os.IsNotExist(err) {
-			return
-		}
-	} else {
-		if !(dfi.Mode().IsRegular()) {
-			return fmt.Errorf("CopyFile: non-regular destination file %s (%q)", dfi.Name(), dfi.Mode().String())
-		}
-		if os.SameFile(sfi, dfi) {
-			return
-		}
-	}
-	err = copyFileContents(src, dst)
-	return
-}
-
-// copyFileContents copies the contents of the file named src to the file named
-// by dst. The file will be created if it does not already exist. If the
-// destination file exists, all it's contents will be replaced by the contents
-// of the source file.
-func copyFileContents(src, dst string) (err error) {
-	in, err := os.Open(src)
-	if err != nil {
-		return
-	}
-	defer in.Close()
-	out, err := os.Create(dst)
-	if err != nil {
-		return
-	}
-	defer func() {
-		cerr := out.Close()
-		if err == nil {
-			err = cerr
-		}
-	}()
-	if _, err = io.Copy(out, in); err != nil {
-		return
-	}
-	err = out.Sync()
-	return
-}
-
-type rewrite func(*ast.File) *ast.File
-
-// Mostly copied from gofmt
-func initRewrite(rewriteRule string) rewrite {
-	f := strings.Split(rewriteRule, "->")
-	if len(f) != 2 {
-		fmt.Fprintf(os.Stderr, "rewrite rule must be of the form 'pattern -> replacement'\n")
-		os.Exit(2)
-	}
-	pattern := parseExpr(f[0], "pattern")
-	replace := parseExpr(f[1], "replacement")
-	return func(p *ast.File) *ast.File { return rewriteFile(pattern, replace, p) }
-}
-
-// parseExpr parses s as an expression.
-// It might make sense to expand this to allow statement patterns,
-// but there are problems with preserving formatting and also
-// with what a wildcard for a statement looks like.
-func parseExpr(s, what string) ast.Expr {
-	x, err := parser.ParseExpr(s)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "parsing %s %s at %s\n", what, s, err)
-		os.Exit(2)
-	}
-	return x
-}
-
-// Keep this function for debugging.
-/*
-func dump(msg string, val reflect.Value) {
-	fmt.Printf("%s:\n", msg)
-	ast.Print(fileSet, val.Interface())
-	fmt.Println()
-}
-*/
-
-// rewriteFile applies the rewrite rule 'pattern -> replace' to an entire file.
-func rewriteFile(pattern, replace ast.Expr, p *ast.File) *ast.File {
-	cmap := ast.NewCommentMap(fileSet, p, p.Comments)
-	m := make(map[string]reflect.Value)
-	pat := reflect.ValueOf(pattern)
-	repl := reflect.ValueOf(replace)
-
-	var rewriteVal func(val reflect.Value) reflect.Value
-	rewriteVal = func(val reflect.Value) reflect.Value {
-		// don't bother if val is invalid to start with
-		if !val.IsValid() {
-			return reflect.Value{}
-		}
-		for k := range m {
-			delete(m, k)
-		}
-		val = apply(rewriteVal, val)
-		if match(m, pat, val) {
-			val = subst(m, repl, reflect.ValueOf(val.Interface().(ast.Node).Pos()))
-		}
-		return val
-	}
-
-	r := apply(rewriteVal, reflect.ValueOf(p)).Interface().(*ast.File)
-	r.Comments = cmap.Filter(r).Comments() // recreate comments list
-	return r
-}
-
-// set is a wrapper for x.Set(y); it protects the caller from panics if x cannot be changed to y.
-func set(x, y reflect.Value) {
-	// don't bother if x cannot be set or y is invalid
-	if !x.CanSet() || !y.IsValid() {
-		return
-	}
-	defer func() {
-		if x := recover(); x != nil {
-			if s, ok := x.(string); ok &&
-				(strings.Contains(s, "type mismatch") || strings.Contains(s, "not assignable")) {
-				// x cannot be set to y - ignore this rewrite
-				return
-			}
-			panic(x)
-		}
-	}()
-	x.Set(y)
-}
-
-// Values/types for special cases.
-var (
-	objectPtrNil = reflect.ValueOf((*ast.Object)(nil))
-	scopePtrNil  = reflect.ValueOf((*ast.Scope)(nil))
-
-	identType     = reflect.TypeOf((*ast.Ident)(nil))
-	objectPtrType = reflect.TypeOf((*ast.Object)(nil))
-	positionType  = reflect.TypeOf(token.NoPos)
-	callExprType  = reflect.TypeOf((*ast.CallExpr)(nil))
-	scopePtrType  = reflect.TypeOf((*ast.Scope)(nil))
-)
-
-// apply replaces each AST field x in val with f(x), returning val.
-// To avoid extra conversions, f operates on the reflect.Value form.
-func apply(f func(reflect.Value) reflect.Value, val reflect.Value) reflect.Value {
-	if !val.IsValid() {
-		return reflect.Value{}
-	}
-
-	// *ast.Objects introduce cycles and are likely incorrect after
-	// rewrite; don't follow them but replace with nil instead
-	if val.Type() == objectPtrType {
-		return objectPtrNil
-	}
-
-	// similarly for scopes: they are likely incorrect after a rewrite;
-	// replace them with nil
-	if val.Type() == scopePtrType {
-		return scopePtrNil
-	}
-
-	switch v := reflect.Indirect(val); v.Kind() {
-	case reflect.Slice:
-		for i := 0; i < v.Len(); i++ {
-			e := v.Index(i)
-			set(e, f(e))
-		}
-	case reflect.Struct:
-		for i := 0; i < v.NumField(); i++ {
-			e := v.Field(i)
-			set(e, f(e))
-		}
-	case reflect.Interface:
-		e := v.Elem()
-		set(v, f(e))
-	}
-	return val
-}
-
-func isWildcard(s string) bool {
-	rune, size := utf8.DecodeRuneInString(s)
-	return size == len(s) && unicode.IsLower(rune)
-}
-
-// match returns true if pattern matches val,
-// recording wildcard submatches in m.
-// If m == nil, match checks whether pattern == val.
-func match(m map[string]reflect.Value, pattern, val reflect.Value) bool {
-	// Wildcard matches any expression.  If it appears multiple
-	// times in the pattern, it must match the same expression
-	// each time.
-	if m != nil && pattern.IsValid() && pattern.Type() == identType {
-		name := pattern.Interface().(*ast.Ident).Name
-		if isWildcard(name) && val.IsValid() {
-			// wildcards only match valid (non-nil) expressions.
-			if _, ok := val.Interface().(ast.Expr); ok && !val.IsNil() {
-				if old, ok := m[name]; ok {
-					return match(nil, old, val)
-				}
-				m[name] = val
-				return true
-			}
-		}
-	}
-
-	// Otherwise, pattern and val must match recursively.
-	if !pattern.IsValid() || !val.IsValid() {
-		return !pattern.IsValid() && !val.IsValid()
-	}
-	if pattern.Type() != val.Type() {
-		return false
-	}
-
-	// Special cases.
-	switch pattern.Type() {
-	case identType:
-		// For identifiers, only the names need to match
-		// (and none of the other *ast.Object information).
-		// This is a common case, handle it all here instead
-		// of recursing down any further via reflection.
-		p := pattern.Interface().(*ast.Ident)
-		v := val.Interface().(*ast.Ident)
-		return p == nil && v == nil || p != nil && v != nil && p.Name == v.Name
-	case objectPtrType, positionType:
-		// object pointers and token positions always match
-		return true
-	case callExprType:
-		// For calls, the Ellipsis fields (token.Position) must
-		// match since that is how f(x) and f(x...) are different.
-		// Check them here but fall through for the remaining fields.
-		p := pattern.Interface().(*ast.CallExpr)
-		v := val.Interface().(*ast.CallExpr)
-		if p.Ellipsis.IsValid() != v.Ellipsis.IsValid() {
-			return false
-		}
-	}
-
-	p := reflect.Indirect(pattern)
-	v := reflect.Indirect(val)
-	if !p.IsValid() || !v.IsValid() {
-		return !p.IsValid() && !v.IsValid()
-	}
-
-	switch p.Kind() {
-	case reflect.Slice:
-		if p.Len() != v.Len() {
-			return false
-		}
-		for i := 0; i < p.Len(); i++ {
-			if !match(m, p.Index(i), v.Index(i)) {
-				return false
-			}
-		}
-		return true
-
-	case reflect.Struct:
-		for i := 0; i < p.NumField(); i++ {
-			if !match(m, p.Field(i), v.Field(i)) {
-				return false
-			}
-		}
-		return true
-
-	case reflect.Interface:
-		return match(m, p.Elem(), v.Elem())
-	}
-
-	// Handle token integers, etc.
-	return p.Interface() == v.Interface()
-}
-
-// subst returns a copy of pattern with values from m substituted in place
-// of wildcards and pos used as the position of tokens from the pattern.
-// if m == nil, subst returns a copy of pattern and doesn't change the line
-// number information.
-func subst(m map[string]reflect.Value, pattern reflect.Value, pos reflect.Value) reflect.Value {
-	if !pattern.IsValid() {
-		return reflect.Value{}
-	}
-
-	// Wildcard gets replaced with map value.
-	if m != nil && pattern.Type() == identType {
-		name := pattern.Interface().(*ast.Ident).Name
-		if isWildcard(name) {
-			if old, ok := m[name]; ok {
-				return subst(nil, old, reflect.Value{})
-			}
-		}
-	}
-
-	if pos.IsValid() && pattern.Type() == positionType {
-		// use new position only if old position was valid in the first place
-		if old := pattern.Interface().(token.Pos); !old.IsValid() {
-			return pattern
-		}
-		return pos
-	}
-
-	// Otherwise copy.
-	switch p := pattern; p.Kind() {
-	case reflect.Slice:
-		v := reflect.MakeSlice(p.Type(), p.Len(), p.Len())
-		for i := 0; i < p.Len(); i++ {
-			v.Index(i).Set(subst(m, p.Index(i), pos))
-		}
-		return v
-
-	case reflect.Struct:
-		v := reflect.New(p.Type()).Elem()
-		for i := 0; i < p.NumField(); i++ {
-			v.Field(i).Set(subst(m, p.Field(i), pos))
-		}
-		return v
-
-	case reflect.Ptr:
-		v := reflect.New(p.Type()).Elem()
-		if elem := p.Elem(); elem.IsValid() {
-			v.Set(subst(m, elem, pos).Addr())
-		}
-		return v
-
-	case reflect.Interface:
-		v := reflect.New(p.Type()).Elem()
-		if elem := p.Elem(); elem.IsValid() {
-			v.Set(subst(m, elem, pos))
-		}
-		return v
-	}
-
-	return pattern
-}
diff --git a/vendor/github.com/ulikunitz/xz/example.go b/vendor/github.com/ulikunitz/xz/example.go
deleted file mode 100644
index 855e60aee..000000000
--- a/vendor/github.com/ulikunitz/xz/example.go
+++ /dev/null
@@ -1,40 +0,0 @@
-// Copyright 2014-2017 Ulrich Kunitz. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-package main
-
-import (
-	"bytes"
-	"io"
-	"log"
-	"os"
-
-	"github.com/ulikunitz/xz"
-)
-
-func main() {
-	const text = "The quick brown fox jumps over the lazy dog.\n"
-	var buf bytes.Buffer
-	// compress text
-	w, err := xz.NewWriter(&buf)
-	if err != nil {
-		log.Fatalf("xz.NewWriter error %s", err)
-	}
-	if _, err := io.WriteString(w, text); err != nil {
-		log.Fatalf("WriteString error %s", err)
-	}
-	if err := w.Close(); err != nil {
-		log.Fatalf("w.Close error %s", err)
-	}
-	// decompress buffer and write output to stdout
-	r, err := xz.NewReader(&buf)
-	if err != nil {
-		log.Fatalf("NewReader error %s", err)
-	}
-	if _, err = io.Copy(os.Stdout, r); err != nil {
-		log.Fatalf("io.Copy error %s", err)
-	}
-}
diff --git a/vendor/golang.org/x/net/html/atom/gen.go b/vendor/golang.org/x/net/html/atom/gen.go
deleted file mode 100644
index 5d052781b..000000000
--- a/vendor/golang.org/x/net/html/atom/gen.go
+++ /dev/null
@@ -1,712 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-//go:generate go run gen.go
-//go:generate go run gen.go -test
-
-package main
-
-import (
-	"bytes"
-	"flag"
-	"fmt"
-	"go/format"
-	"io/ioutil"
-	"math/rand"
-	"os"
-	"sort"
-	"strings"
-)
-
-// identifier converts s to a Go exported identifier.
-// It converts "div" to "Div" and "accept-charset" to "AcceptCharset".
-func identifier(s string) string {
-	b := make([]byte, 0, len(s))
-	cap := true
-	for _, c := range s {
-		if c == '-' {
-			cap = true
-			continue
-		}
-		if cap && 'a' <= c && c <= 'z' {
-			c -= 'a' - 'A'
-		}
-		cap = false
-		b = append(b, byte(c))
-	}
-	return string(b)
-}
-
-var test = flag.Bool("test", false, "generate table_test.go")
-
-func genFile(name string, buf *bytes.Buffer) {
-	b, err := format.Source(buf.Bytes())
-	if err != nil {
-		fmt.Fprintln(os.Stderr, err)
-		os.Exit(1)
-	}
-	if err := ioutil.WriteFile(name, b, 0644); err != nil {
-		fmt.Fprintln(os.Stderr, err)
-		os.Exit(1)
-	}
-}
-
-func main() {
-	flag.Parse()
-
-	var all []string
-	all = append(all, elements...)
-	all = append(all, attributes...)
-	all = append(all, eventHandlers...)
-	all = append(all, extra...)
-	sort.Strings(all)
-
-	// uniq - lists have dups
-	w := 0
-	for _, s := range all {
-		if w == 0 || all[w-1] != s {
-			all[w] = s
-			w++
-		}
-	}
-	all = all[:w]
-
-	if *test {
-		var buf bytes.Buffer
-		fmt.Fprintln(&buf, "// Code generated by go generate gen.go; DO NOT EDIT.\n")
-		fmt.Fprintln(&buf, "//go:generate go run gen.go -test\n")
-		fmt.Fprintln(&buf, "package atom\n")
-		fmt.Fprintln(&buf, "var testAtomList = []string{")
-		for _, s := range all {
-			fmt.Fprintf(&buf, "\t%q,\n", s)
-		}
-		fmt.Fprintln(&buf, "}")
-
-		genFile("table_test.go", &buf)
-		return
-	}
-
-	// Find hash that minimizes table size.
-	var best *table
-	for i := 0; i < 1000000; i++ {
-		if best != nil && 1<<(best.k-1) < len(all) {
-			break
-		}
-		h := rand.Uint32()
-		for k := uint(0); k <= 16; k++ {
-			if best != nil && k >= best.k {
-				break
-			}
-			var t table
-			if t.init(h, k, all) {
-				best = &t
-				break
-			}
-		}
-	}
-	if best == nil {
-		fmt.Fprintf(os.Stderr, "failed to construct string table\n")
-		os.Exit(1)
-	}
-
-	// Lay out strings, using overlaps when possible.
-	layout := append([]string{}, all...)
-
-	// Remove strings that are substrings of other strings
-	for changed := true; changed; {
-		changed = false
-		for i, s := range layout {
-			if s == "" {
-				continue
-			}
-			for j, t := range layout {
-				if i != j && t != "" && strings.Contains(s, t) {
-					changed = true
-					layout[j] = ""
-				}
-			}
-		}
-	}
-
-	// Join strings where one suffix matches another prefix.
-	for {
-		// Find best i, j, k such that layout[i][len-k:] == layout[j][:k],
-		// maximizing overlap length k.
-		besti := -1
-		bestj := -1
-		bestk := 0
-		for i, s := range layout {
-			if s == "" {
-				continue
-			}
-			for j, t := range layout {
-				if i == j {
-					continue
-				}
-				for k := bestk + 1; k <= len(s) && k <= len(t); k++ {
-					if s[len(s)-k:] == t[:k] {
-						besti = i
-						bestj = j
-						bestk = k
-					}
-				}
-			}
-		}
-		if bestk > 0 {
-			layout[besti] += layout[bestj][bestk:]
-			layout[bestj] = ""
-			continue
-		}
-		break
-	}
-
-	text := strings.Join(layout, "")
-
-	atom := map[string]uint32{}
-	for _, s := range all {
-		off := strings.Index(text, s)
-		if off < 0 {
-			panic("lost string " + s)
-		}
-		atom[s] = uint32(off<<8 | len(s))
-	}
-
-	var buf bytes.Buffer
-	// Generate the Go code.
-	fmt.Fprintln(&buf, "// Code generated by go generate gen.go; DO NOT EDIT.\n")
-	fmt.Fprintln(&buf, "//go:generate go run gen.go\n")
-	fmt.Fprintln(&buf, "package atom\n\nconst (")
-
-	// compute max len
-	maxLen := 0
-	for _, s := range all {
-		if maxLen < len(s) {
-			maxLen = len(s)
-		}
-		fmt.Fprintf(&buf, "\t%s Atom = %#x\n", identifier(s), atom[s])
-	}
-	fmt.Fprintln(&buf, ")\n")
-
-	fmt.Fprintf(&buf, "const hash0 = %#x\n\n", best.h0)
-	fmt.Fprintf(&buf, "const maxAtomLen = %d\n\n", maxLen)
-
-	fmt.Fprintf(&buf, "var table = [1<<%d]Atom{\n", best.k)
-	for i, s := range best.tab {
-		if s == "" {
-			continue
-		}
-		fmt.Fprintf(&buf, "\t%#x: %#x, // %s\n", i, atom[s], s)
-	}
-	fmt.Fprintf(&buf, "}\n")
-	datasize := (1 << best.k) * 4
-
-	fmt.Fprintln(&buf, "const atomText =")
-	textsize := len(text)
-	for len(text) > 60 {
-		fmt.Fprintf(&buf, "\t%q +\n", text[:60])
-		text = text[60:]
-	}
-	fmt.Fprintf(&buf, "\t%q\n\n", text)
-
-	genFile("table.go", &buf)
-
-	fmt.Fprintf(os.Stdout, "%d atoms; %d string bytes + %d tables = %d total data\n", len(all), textsize, datasize, textsize+datasize)
-}
-
-type byLen []string
-
-func (x byLen) Less(i, j int) bool { return len(x[i]) > len(x[j]) }
-func (x byLen) Swap(i, j int)      { x[i], x[j] = x[j], x[i] }
-func (x byLen) Len() int           { return len(x) }
-
-// fnv computes the FNV hash with an arbitrary starting value h.
-func fnv(h uint32, s string) uint32 {
-	for i := 0; i < len(s); i++ {
-		h ^= uint32(s[i])
-		h *= 16777619
-	}
-	return h
-}
-
-// A table represents an attempt at constructing the lookup table.
-// The lookup table uses cuckoo hashing, meaning that each string
-// can be found in one of two positions.
-type table struct {
-	h0   uint32
-	k    uint
-	mask uint32
-	tab  []string
-}
-
-// hash returns the two hashes for s.
-func (t *table) hash(s string) (h1, h2 uint32) {
-	h := fnv(t.h0, s)
-	h1 = h & t.mask
-	h2 = (h >> 16) & t.mask
-	return
-}
-
-// init initializes the table with the given parameters.
-// h0 is the initial hash value,
-// k is the number of bits of hash value to use, and
-// x is the list of strings to store in the table.
-// init returns false if the table cannot be constructed.
-func (t *table) init(h0 uint32, k uint, x []string) bool {
-	t.h0 = h0
-	t.k = k
-	t.tab = make([]string, 1<<k)
-	t.mask = 1<<k - 1
-	for _, s := range x {
-		if !t.insert(s) {
-			return false
-		}
-	}
-	return true
-}
-
-// insert inserts s in the table.
-func (t *table) insert(s string) bool {
-	h1, h2 := t.hash(s)
-	if t.tab[h1] == "" {
-		t.tab[h1] = s
-		return true
-	}
-	if t.tab[h2] == "" {
-		t.tab[h2] = s
-		return true
-	}
-	if t.push(h1, 0) {
-		t.tab[h1] = s
-		return true
-	}
-	if t.push(h2, 0) {
-		t.tab[h2] = s
-		return true
-	}
-	return false
-}
-
-// push attempts to push aside the entry in slot i.
-func (t *table) push(i uint32, depth int) bool {
-	if depth > len(t.tab) {
-		return false
-	}
-	s := t.tab[i]
-	h1, h2 := t.hash(s)
-	j := h1 + h2 - i
-	if t.tab[j] != "" && !t.push(j, depth+1) {
-		return false
-	}
-	t.tab[j] = s
-	return true
-}
-
-// The lists of element names and attribute keys were taken from
-// https://html.spec.whatwg.org/multipage/indices.html#index
-// as of the "HTML Living Standard - Last Updated 16 April 2018" version.
-
-// "command", "keygen" and "menuitem" have been removed from the spec,
-// but are kept here for backwards compatibility.
-var elements = []string{
-	"a",
-	"abbr",
-	"address",
-	"area",
-	"article",
-	"aside",
-	"audio",
-	"b",
-	"base",
-	"bdi",
-	"bdo",
-	"blockquote",
-	"body",
-	"br",
-	"button",
-	"canvas",
-	"caption",
-	"cite",
-	"code",
-	"col",
-	"colgroup",
-	"command",
-	"data",
-	"datalist",
-	"dd",
-	"del",
-	"details",
-	"dfn",
-	"dialog",
-	"div",
-	"dl",
-	"dt",
-	"em",
-	"embed",
-	"fieldset",
-	"figcaption",
-	"figure",
-	"footer",
-	"form",
-	"h1",
-	"h2",
-	"h3",
-	"h4",
-	"h5",
-	"h6",
-	"head",
-	"header",
-	"hgroup",
-	"hr",
-	"html",
-	"i",
-	"iframe",
-	"img",
-	"input",
-	"ins",
-	"kbd",
-	"keygen",
-	"label",
-	"legend",
-	"li",
-	"link",
-	"main",
-	"map",
-	"mark",
-	"menu",
-	"menuitem",
-	"meta",
-	"meter",
-	"nav",
-	"noscript",
-	"object",
-	"ol",
-	"optgroup",
-	"option",
-	"output",
-	"p",
-	"param",
-	"picture",
-	"pre",
-	"progress",
-	"q",
-	"rp",
-	"rt",
-	"ruby",
-	"s",
-	"samp",
-	"script",
-	"section",
-	"select",
-	"slot",
-	"small",
-	"source",
-	"span",
-	"strong",
-	"style",
-	"sub",
-	"summary",
-	"sup",
-	"table",
-	"tbody",
-	"td",
-	"template",
-	"textarea",
-	"tfoot",
-	"th",
-	"thead",
-	"time",
-	"title",
-	"tr",
-	"track",
-	"u",
-	"ul",
-	"var",
-	"video",
-	"wbr",
-}
-
-// https://html.spec.whatwg.org/multipage/indices.html#attributes-3
-//
-// "challenge", "command", "contextmenu", "dropzone", "icon", "keytype", "mediagroup",
-// "radiogroup", "spellcheck", "scoped", "seamless", "sortable" and "sorted" have been removed from the spec,
-// but are kept here for backwards compatibility.
-var attributes = []string{
-	"abbr",
-	"accept",
-	"accept-charset",
-	"accesskey",
-	"action",
-	"allowfullscreen",
-	"allowpaymentrequest",
-	"allowusermedia",
-	"alt",
-	"as",
-	"async",
-	"autocomplete",
-	"autofocus",
-	"autoplay",
-	"challenge",
-	"charset",
-	"checked",
-	"cite",
-	"class",
-	"color",
-	"cols",
-	"colspan",
-	"command",
-	"content",
-	"contenteditable",
-	"contextmenu",
-	"controls",
-	"coords",
-	"crossorigin",
-	"data",
-	"datetime",
-	"default",
-	"defer",
-	"dir",
-	"dirname",
-	"disabled",
-	"download",
-	"draggable",
-	"dropzone",
-	"enctype",
-	"for",
-	"form",
-	"formaction",
-	"formenctype",
-	"formmethod",
-	"formnovalidate",
-	"formtarget",
-	"headers",
-	"height",
-	"hidden",
-	"high",
-	"href",
-	"hreflang",
-	"http-equiv",
-	"icon",
-	"id",
-	"inputmode",
-	"integrity",
-	"is",
-	"ismap",
-	"itemid",
-	"itemprop",
-	"itemref",
-	"itemscope",
-	"itemtype",
-	"keytype",
-	"kind",
-	"label",
-	"lang",
-	"list",
-	"loop",
-	"low",
-	"manifest",
-	"max",
-	"maxlength",
-	"media",
-	"mediagroup",
-	"method",
-	"min",
-	"minlength",
-	"multiple",
-	"muted",
-	"name",
-	"nomodule",
-	"nonce",
-	"novalidate",
-	"open",
-	"optimum",
-	"pattern",
-	"ping",
-	"placeholder",
-	"playsinline",
-	"poster",
-	"preload",
-	"radiogroup",
-	"readonly",
-	"referrerpolicy",
-	"rel",
-	"required",
-	"reversed",
-	"rows",
-	"rowspan",
-	"sandbox",
-	"spellcheck",
-	"scope",
-	"scoped",
-	"seamless",
-	"selected",
-	"shape",
-	"size",
-	"sizes",
-	"sortable",
-	"sorted",
-	"slot",
-	"span",
-	"spellcheck",
-	"src",
-	"srcdoc",
-	"srclang",
-	"srcset",
-	"start",
-	"step",
-	"style",
-	"tabindex",
-	"target",
-	"title",
-	"translate",
-	"type",
-	"typemustmatch",
-	"updateviacache",
-	"usemap",
-	"value",
-	"width",
-	"workertype",
-	"wrap",
-}
-
-// "onautocomplete", "onautocompleteerror", "onmousewheel",
-// "onshow" and "onsort" have been removed from the spec,
-// but are kept here for backwards compatibility.
-var eventHandlers = []string{
-	"onabort",
-	"onautocomplete",
-	"onautocompleteerror",
-	"onauxclick",
-	"onafterprint",
-	"onbeforeprint",
-	"onbeforeunload",
-	"onblur",
-	"oncancel",
-	"oncanplay",
-	"oncanplaythrough",
-	"onchange",
-	"onclick",
-	"onclose",
-	"oncontextmenu",
-	"oncopy",
-	"oncuechange",
-	"oncut",
-	"ondblclick",
-	"ondrag",
-	"ondragend",
-	"ondragenter",
-	"ondragexit",
-	"ondragleave",
-	"ondragover",
-	"ondragstart",
-	"ondrop",
-	"ondurationchange",
-	"onemptied",
-	"onended",
-	"onerror",
-	"onfocus",
-	"onhashchange",
-	"oninput",
-	"oninvalid",
-	"onkeydown",
-	"onkeypress",
-	"onkeyup",
-	"onlanguagechange",
-	"onload",
-	"onloadeddata",
-	"onloadedmetadata",
-	"onloadend",
-	"onloadstart",
-	"onmessage",
-	"onmessageerror",
-	"onmousedown",
-	"onmouseenter",
-	"onmouseleave",
-	"onmousemove",
-	"onmouseout",
-	"onmouseover",
-	"onmouseup",
-	"onmousewheel",
-	"onwheel",
-	"onoffline",
-	"ononline",
-	"onpagehide",
-	"onpageshow",
-	"onpaste",
-	"onpause",
-	"onplay",
-	"onplaying",
-	"onpopstate",
-	"onprogress",
-	"onratechange",
-	"onreset",
-	"onresize",
-	"onrejectionhandled",
-	"onscroll",
-	"onsecuritypolicyviolation",
-	"onseeked",
-	"onseeking",
-	"onselect",
-	"onshow",
-	"onsort",
-	"onstalled",
-	"onstorage",
-	"onsubmit",
-	"onsuspend",
-	"ontimeupdate",
-	"ontoggle",
-	"onunhandledrejection",
-	"onunload",
-	"onvolumechange",
-	"onwaiting",
-}
-
-// extra are ad-hoc values not covered by any of the lists above.
-var extra = []string{
-	"acronym",
-	"align",
-	"annotation",
-	"annotation-xml",
-	"applet",
-	"basefont",
-	"bgsound",
-	"big",
-	"blink",
-	"center",
-	"color",
-	"desc",
-	"face",
-	"font",
-	"foreignObject", // HTML is case-insensitive, but SVG-embedded-in-HTML is case-sensitive.
-	"foreignobject",
-	"frame",
-	"frameset",
-	"image",
-	"isindex",
-	"listing",
-	"malignmark",
-	"marquee",
-	"math",
-	"mglyph",
-	"mi",
-	"mn",
-	"mo",
-	"ms",
-	"mtext",
-	"nobr",
-	"noembed",
-	"noframes",
-	"plaintext",
-	"prompt",
-	"public",
-	"rb",
-	"rtc",
-	"spacer",
-	"strike",
-	"svg",
-	"system",
-	"tt",
-	"xmp",
-}
diff --git a/vendor/golang.org/x/sys/unix/mkasm_darwin.go b/vendor/golang.org/x/sys/unix/mkasm_darwin.go
deleted file mode 100644
index 4548b993d..000000000
--- a/vendor/golang.org/x/sys/unix/mkasm_darwin.go
+++ /dev/null
@@ -1,61 +0,0 @@
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// mkasm_darwin.go generates assembly trampolines to call libSystem routines from Go.
-//This program must be run after mksyscall.go.
-package main
-
-import (
-	"bytes"
-	"fmt"
-	"io/ioutil"
-	"log"
-	"os"
-	"strings"
-)
-
-func main() {
-	in1, err := ioutil.ReadFile("syscall_darwin.go")
-	if err != nil {
-		log.Fatalf("can't open syscall_darwin.go: %s", err)
-	}
-	arch := os.Args[1]
-	in2, err := ioutil.ReadFile(fmt.Sprintf("syscall_darwin_%s.go", arch))
-	if err != nil {
-		log.Fatalf("can't open syscall_darwin_%s.go: %s", arch, err)
-	}
-	in3, err := ioutil.ReadFile(fmt.Sprintf("zsyscall_darwin_%s.go", arch))
-	if err != nil {
-		log.Fatalf("can't open zsyscall_darwin_%s.go: %s", arch, err)
-	}
-	in := string(in1) + string(in2) + string(in3)
-
-	trampolines := map[string]bool{}
-
-	var out bytes.Buffer
-
-	fmt.Fprintf(&out, "// go run mkasm_darwin.go %s\n", strings.Join(os.Args[1:], " "))
-	fmt.Fprintf(&out, "// Code generated by the command above; DO NOT EDIT.\n")
-	fmt.Fprintf(&out, "\n")
-	fmt.Fprintf(&out, "// +build go1.12\n")
-	fmt.Fprintf(&out, "\n")
-	fmt.Fprintf(&out, "#include \"textflag.h\"\n")
-	for _, line := range strings.Split(in, "\n") {
-		if !strings.HasPrefix(line, "func ") || !strings.HasSuffix(line, "_trampoline()") {
-			continue
-		}
-		fn := line[5 : len(line)-13]
-		if !trampolines[fn] {
-			trampolines[fn] = true
-			fmt.Fprintf(&out, "TEXT ·%s_trampoline(SB),NOSPLIT,$0-0\n", fn)
-			fmt.Fprintf(&out, "\tJMP\t%s(SB)\n", fn)
-		}
-	}
-	err = ioutil.WriteFile(fmt.Sprintf("zsyscall_darwin_%s.s", arch), out.Bytes(), 0644)
-	if err != nil {
-		log.Fatalf("can't write zsyscall_darwin_%s.s: %s", arch, err)
-	}
-}
diff --git a/vendor/golang.org/x/sys/unix/mkpost.go b/vendor/golang.org/x/sys/unix/mkpost.go
deleted file mode 100644
index eb4332059..000000000
--- a/vendor/golang.org/x/sys/unix/mkpost.go
+++ /dev/null
@@ -1,122 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// mkpost processes the output of cgo -godefs to
-// modify the generated types. It is used to clean up
-// the sys API in an architecture specific manner.
-//
-// mkpost is run after cgo -godefs; see README.md.
-package main
-
-import (
-	"bytes"
-	"fmt"
-	"go/format"
-	"io/ioutil"
-	"log"
-	"os"
-	"regexp"
-)
-
-func main() {
-	// Get the OS and architecture (using GOARCH_TARGET if it exists)
-	goos := os.Getenv("GOOS")
-	goarch := os.Getenv("GOARCH_TARGET")
-	if goarch == "" {
-		goarch = os.Getenv("GOARCH")
-	}
-	// Check that we are using the Docker-based build system if we should be.
-	if goos == "linux" {
-		if os.Getenv("GOLANG_SYS_BUILD") != "docker" {
-			os.Stderr.WriteString("In the Docker-based build system, mkpost should not be called directly.\n")
-			os.Stderr.WriteString("See README.md\n")
-			os.Exit(1)
-		}
-	}
-
-	b, err := ioutil.ReadAll(os.Stdin)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	if goos == "aix" {
-		// Replace type of Atim, Mtim and Ctim by Timespec in Stat_t
-		// to avoid having both StTimespec and Timespec.
-		sttimespec := regexp.MustCompile(`_Ctype_struct_st_timespec`)
-		b = sttimespec.ReplaceAll(b, []byte("Timespec"))
-	}
-
-	// Intentionally export __val fields in Fsid and Sigset_t
-	valRegex := regexp.MustCompile(`type (Fsid|Sigset_t) struct {(\s+)X__(bits|val)(\s+\S+\s+)}`)
-	b = valRegex.ReplaceAll(b, []byte("type $1 struct {${2}Val$4}"))
-
-	// Intentionally export __fds_bits field in FdSet
-	fdSetRegex := regexp.MustCompile(`type (FdSet) struct {(\s+)X__fds_bits(\s+\S+\s+)}`)
-	b = fdSetRegex.ReplaceAll(b, []byte("type $1 struct {${2}Bits$3}"))
-
-	// If we have empty Ptrace structs, we should delete them. Only s390x emits
-	// nonempty Ptrace structs.
-	ptraceRexexp := regexp.MustCompile(`type Ptrace((Psw|Fpregs|Per) struct {\s*})`)
-	b = ptraceRexexp.ReplaceAll(b, nil)
-
-	// Replace the control_regs union with a blank identifier for now.
-	controlRegsRegex := regexp.MustCompile(`(Control_regs)\s+\[0\]uint64`)
-	b = controlRegsRegex.ReplaceAll(b, []byte("_ [0]uint64"))
-
-	// Remove fields that are added by glibc
-	// Note that this is unstable as the identifers are private.
-	removeFieldsRegex := regexp.MustCompile(`X__glibc\S*`)
-	b = removeFieldsRegex.ReplaceAll(b, []byte("_"))
-
-	// Convert [65]int8 to [65]byte in Utsname members to simplify
-	// conversion to string; see golang.org/issue/20753
-	convertUtsnameRegex := regexp.MustCompile(`((Sys|Node|Domain)name|Release|Version|Machine)(\s+)\[(\d+)\]u?int8`)
-	b = convertUtsnameRegex.ReplaceAll(b, []byte("$1$3[$4]byte"))
-
-	// Convert [1024]int8 to [1024]byte in Ptmget members
-	convertPtmget := regexp.MustCompile(`([SC]n)(\s+)\[(\d+)\]u?int8`)
-	b = convertPtmget.ReplaceAll(b, []byte("$1[$3]byte"))
-
-	// Remove spare fields (e.g. in Statx_t)
-	spareFieldsRegex := regexp.MustCompile(`X__spare\S*`)
-	b = spareFieldsRegex.ReplaceAll(b, []byte("_"))
-
-	// Remove cgo padding fields
-	removePaddingFieldsRegex := regexp.MustCompile(`Pad_cgo_\d+`)
-	b = removePaddingFieldsRegex.ReplaceAll(b, []byte("_"))
-
-	// Remove padding, hidden, or unused fields
-	removeFieldsRegex = regexp.MustCompile(`\b(X_\S+|Padding)`)
-	b = removeFieldsRegex.ReplaceAll(b, []byte("_"))
-
-	// Remove the first line of warning from cgo
-	b = b[bytes.IndexByte(b, '\n')+1:]
-	// Modify the command in the header to include:
-	//  mkpost, our own warning, and a build tag.
-	replacement := fmt.Sprintf(`$1 | go run mkpost.go
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build %s,%s`, goarch, goos)
-	cgoCommandRegex := regexp.MustCompile(`(cgo -godefs .*)`)
-	b = cgoCommandRegex.ReplaceAll(b, []byte(replacement))
-
-	// Rename Stat_t time fields
-	if goos == "freebsd" && goarch == "386" {
-		// Hide Stat_t.[AMCB]tim_ext fields
-		renameStatTimeExtFieldsRegex := regexp.MustCompile(`[AMCB]tim_ext`)
-		b = renameStatTimeExtFieldsRegex.ReplaceAll(b, []byte("_"))
-	}
-	renameStatTimeFieldsRegex := regexp.MustCompile(`([AMCB])(?:irth)?time?(?:spec)?\s+(Timespec|StTimespec)`)
-	b = renameStatTimeFieldsRegex.ReplaceAll(b, []byte("${1}tim ${2}"))
-
-	// gofmt
-	b, err = format.Source(b)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	os.Stdout.Write(b)
-}
diff --git a/vendor/golang.org/x/sys/unix/mksyscall.go b/vendor/golang.org/x/sys/unix/mksyscall.go
deleted file mode 100644
index e4af9424e..000000000
--- a/vendor/golang.org/x/sys/unix/mksyscall.go
+++ /dev/null
@@ -1,407 +0,0 @@
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-/*
-This program reads a file containing function prototypes
-(like syscall_darwin.go) and generates system call bodies.
-The prototypes are marked by lines beginning with "//sys"
-and read like func declarations if //sys is replaced by func, but:
-	* The parameter lists must give a name for each argument.
-	  This includes return parameters.
-	* The parameter lists must give a type for each argument:
-	  the (x, y, z int) shorthand is not allowed.
-	* If the return parameter is an error number, it must be named errno.
-
-A line beginning with //sysnb is like //sys, except that the
-goroutine will not be suspended during the execution of the system
-call.  This must only be used for system calls which can never
-block, as otherwise the system call could cause all goroutines to
-hang.
-*/
-package main
-
-import (
-	"bufio"
-	"flag"
-	"fmt"
-	"os"
-	"regexp"
-	"strings"
-)
-
-var (
-	b32       = flag.Bool("b32", false, "32bit big-endian")
-	l32       = flag.Bool("l32", false, "32bit little-endian")
-	plan9     = flag.Bool("plan9", false, "plan9")
-	openbsd   = flag.Bool("openbsd", false, "openbsd")
-	netbsd    = flag.Bool("netbsd", false, "netbsd")
-	dragonfly = flag.Bool("dragonfly", false, "dragonfly")
-	arm       = flag.Bool("arm", false, "arm") // 64-bit value should use (even, odd)-pair
-	tags      = flag.String("tags", "", "build tags")
-	filename  = flag.String("output", "", "output file name (standard output if omitted)")
-)
-
-// cmdLine returns this programs's commandline arguments
-func cmdLine() string {
-	return "go run mksyscall.go " + strings.Join(os.Args[1:], " ")
-}
-
-// buildTags returns build tags
-func buildTags() string {
-	return *tags
-}
-
-// Param is function parameter
-type Param struct {
-	Name string
-	Type string
-}
-
-// usage prints the program usage
-func usage() {
-	fmt.Fprintf(os.Stderr, "usage: go run mksyscall.go [-b32 | -l32] [-tags x,y] [file ...]\n")
-	os.Exit(1)
-}
-
-// parseParamList parses parameter list and returns a slice of parameters
-func parseParamList(list string) []string {
-	list = strings.TrimSpace(list)
-	if list == "" {
-		return []string{}
-	}
-	return regexp.MustCompile(`\s*,\s*`).Split(list, -1)
-}
-
-// parseParam splits a parameter into name and type
-func parseParam(p string) Param {
-	ps := regexp.MustCompile(`^(\S*) (\S*)$`).FindStringSubmatch(p)
-	if ps == nil {
-		fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p)
-		os.Exit(1)
-	}
-	return Param{ps[1], ps[2]}
-}
-
-func main() {
-	// Get the OS and architecture (using GOARCH_TARGET if it exists)
-	goos := os.Getenv("GOOS")
-	if goos == "" {
-		fmt.Fprintln(os.Stderr, "GOOS not defined in environment")
-		os.Exit(1)
-	}
-	goarch := os.Getenv("GOARCH_TARGET")
-	if goarch == "" {
-		goarch = os.Getenv("GOARCH")
-	}
-
-	// Check that we are using the Docker-based build system if we should
-	if goos == "linux" {
-		if os.Getenv("GOLANG_SYS_BUILD") != "docker" {
-			fmt.Fprintf(os.Stderr, "In the Docker-based build system, mksyscall should not be called directly.\n")
-			fmt.Fprintf(os.Stderr, "See README.md\n")
-			os.Exit(1)
-		}
-	}
-
-	flag.Usage = usage
-	flag.Parse()
-	if len(flag.Args()) <= 0 {
-		fmt.Fprintf(os.Stderr, "no files to parse provided\n")
-		usage()
-	}
-
-	endianness := ""
-	if *b32 {
-		endianness = "big-endian"
-	} else if *l32 {
-		endianness = "little-endian"
-	}
-
-	libc := false
-	if goos == "darwin" && strings.Contains(buildTags(), ",go1.12") {
-		libc = true
-	}
-	trampolines := map[string]bool{}
-
-	text := ""
-	for _, path := range flag.Args() {
-		file, err := os.Open(path)
-		if err != nil {
-			fmt.Fprintf(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		s := bufio.NewScanner(file)
-		for s.Scan() {
-			t := s.Text()
-			t = strings.TrimSpace(t)
-			t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `)
-			nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t)
-			if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil {
-				continue
-			}
-
-			// Line must be of the form
-			//	func Open(path string, mode int, perm int) (fd int, errno error)
-			// Split into name, in params, out params.
-			f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*((?i)SYS_[A-Z0-9_]+))?$`).FindStringSubmatch(t)
-			if f == nil {
-				fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t)
-				os.Exit(1)
-			}
-			funct, inps, outps, sysname := f[2], f[3], f[4], f[5]
-
-			// ClockGettime doesn't have a syscall number on Darwin, only generate libc wrappers.
-			if goos == "darwin" && !libc && funct == "ClockGettime" {
-				continue
-			}
-
-			// Split argument lists on comma.
-			in := parseParamList(inps)
-			out := parseParamList(outps)
-
-			// Try in vain to keep people from editing this file.
-			// The theory is that they jump into the middle of the file
-			// without reading the header.
-			text += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
-
-			// Go function header.
-			outDecl := ""
-			if len(out) > 0 {
-				outDecl = fmt.Sprintf(" (%s)", strings.Join(out, ", "))
-			}
-			text += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outDecl)
-
-			// Check if err return available
-			errvar := ""
-			for _, param := range out {
-				p := parseParam(param)
-				if p.Type == "error" {
-					errvar = p.Name
-					break
-				}
-			}
-
-			// Prepare arguments to Syscall.
-			var args []string
-			n := 0
-			for _, param := range in {
-				p := parseParam(param)
-				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
-					args = append(args, "uintptr(unsafe.Pointer("+p.Name+"))")
-				} else if p.Type == "string" && errvar != "" {
-					text += fmt.Sprintf("\tvar _p%d *byte\n", n)
-					text += fmt.Sprintf("\t_p%d, %s = BytePtrFromString(%s)\n", n, errvar, p.Name)
-					text += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar)
-					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
-					n++
-				} else if p.Type == "string" {
-					fmt.Fprintf(os.Stderr, path+":"+funct+" uses string arguments, but has no error return\n")
-					text += fmt.Sprintf("\tvar _p%d *byte\n", n)
-					text += fmt.Sprintf("\t_p%d, _ = BytePtrFromString(%s)\n", n, p.Name)
-					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
-					n++
-				} else if regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type) != nil {
-					// Convert slice into pointer, length.
-					// Have to be careful not to take address of &a[0] if len == 0:
-					// pass dummy pointer in that case.
-					// Used to pass nil, but some OSes or simulators reject write(fd, nil, 0).
-					text += fmt.Sprintf("\tvar _p%d unsafe.Pointer\n", n)
-					text += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = unsafe.Pointer(&%s[0])\n\t}", p.Name, n, p.Name)
-					text += fmt.Sprintf(" else {\n\t\t_p%d = unsafe.Pointer(&_zero)\n\t}\n", n)
-					args = append(args, fmt.Sprintf("uintptr(_p%d)", n), fmt.Sprintf("uintptr(len(%s))", p.Name))
-					n++
-				} else if p.Type == "int64" && (*openbsd || *netbsd) {
-					args = append(args, "0")
-					if endianness == "big-endian" {
-						args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name))
-					} else if endianness == "little-endian" {
-						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name))
-					} else {
-						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name))
-					}
-				} else if p.Type == "int64" && *dragonfly {
-					if regexp.MustCompile(`^(?i)extp(read|write)`).FindStringSubmatch(funct) == nil {
-						args = append(args, "0")
-					}
-					if endianness == "big-endian" {
-						args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name))
-					} else if endianness == "little-endian" {
-						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name))
-					} else {
-						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name))
-					}
-				} else if (p.Type == "int64" || p.Type == "uint64") && endianness != "" {
-					if len(args)%2 == 1 && *arm {
-						// arm abi specifies 64-bit argument uses
-						// (even, odd) pair
-						args = append(args, "0")
-					}
-					if endianness == "big-endian" {
-						args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name))
-					} else {
-						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name))
-					}
-				} else {
-					args = append(args, fmt.Sprintf("uintptr(%s)", p.Name))
-				}
-			}
-
-			// Determine which form to use; pad args with zeros.
-			asm := "Syscall"
-			if nonblock != nil {
-				if errvar == "" && goos == "linux" {
-					asm = "RawSyscallNoError"
-				} else {
-					asm = "RawSyscall"
-				}
-			} else {
-				if errvar == "" && goos == "linux" {
-					asm = "SyscallNoError"
-				}
-			}
-			if len(args) <= 3 {
-				for len(args) < 3 {
-					args = append(args, "0")
-				}
-			} else if len(args) <= 6 {
-				asm += "6"
-				for len(args) < 6 {
-					args = append(args, "0")
-				}
-			} else if len(args) <= 9 {
-				asm += "9"
-				for len(args) < 9 {
-					args = append(args, "0")
-				}
-			} else {
-				fmt.Fprintf(os.Stderr, "%s:%s too many arguments to system call\n", path, funct)
-			}
-
-			// System call number.
-			if sysname == "" {
-				sysname = "SYS_" + funct
-				sysname = regexp.MustCompile(`([a-z])([A-Z])`).ReplaceAllString(sysname, `${1}_$2`)
-				sysname = strings.ToUpper(sysname)
-			}
-
-			var libcFn string
-			if libc {
-				asm = "syscall_" + strings.ToLower(asm[:1]) + asm[1:] // internal syscall call
-				sysname = strings.TrimPrefix(sysname, "SYS_")         // remove SYS_
-				sysname = strings.ToLower(sysname)                    // lowercase
-				if sysname == "getdirentries64" {
-					// Special case - libSystem name and
-					// raw syscall name don't match.
-					sysname = "__getdirentries64"
-				}
-				libcFn = sysname
-				sysname = "funcPC(libc_" + sysname + "_trampoline)"
-			}
-
-			// Actual call.
-			arglist := strings.Join(args, ", ")
-			call := fmt.Sprintf("%s(%s, %s)", asm, sysname, arglist)
-
-			// Assign return values.
-			body := ""
-			ret := []string{"_", "_", "_"}
-			doErrno := false
-			for i := 0; i < len(out); i++ {
-				p := parseParam(out[i])
-				reg := ""
-				if p.Name == "err" && !*plan9 {
-					reg = "e1"
-					ret[2] = reg
-					doErrno = true
-				} else if p.Name == "err" && *plan9 {
-					ret[0] = "r0"
-					ret[2] = "e1"
-					break
-				} else {
-					reg = fmt.Sprintf("r%d", i)
-					ret[i] = reg
-				}
-				if p.Type == "bool" {
-					reg = fmt.Sprintf("%s != 0", reg)
-				}
-				if p.Type == "int64" && endianness != "" {
-					// 64-bit number in r1:r0 or r0:r1.
-					if i+2 > len(out) {
-						fmt.Fprintf(os.Stderr, "%s:%s not enough registers for int64 return\n", path, funct)
-					}
-					if endianness == "big-endian" {
-						reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i, i+1)
-					} else {
-						reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i+1, i)
-					}
-					ret[i] = fmt.Sprintf("r%d", i)
-					ret[i+1] = fmt.Sprintf("r%d", i+1)
-				}
-				if reg != "e1" || *plan9 {
-					body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg)
-				}
-			}
-			if ret[0] == "_" && ret[1] == "_" && ret[2] == "_" {
-				text += fmt.Sprintf("\t%s\n", call)
-			} else {
-				if errvar == "" && goos == "linux" {
-					// raw syscall without error on Linux, see golang.org/issue/22924
-					text += fmt.Sprintf("\t%s, %s := %s\n", ret[0], ret[1], call)
-				} else {
-					text += fmt.Sprintf("\t%s, %s, %s := %s\n", ret[0], ret[1], ret[2], call)
-				}
-			}
-			text += body
-
-			if *plan9 && ret[2] == "e1" {
-				text += "\tif int32(r0) == -1 {\n"
-				text += "\t\terr = e1\n"
-				text += "\t}\n"
-			} else if doErrno {
-				text += "\tif e1 != 0 {\n"
-				text += "\t\terr = errnoErr(e1)\n"
-				text += "\t}\n"
-			}
-			text += "\treturn\n"
-			text += "}\n\n"
-
-			if libc && !trampolines[libcFn] {
-				// some system calls share a trampoline, like read and readlen.
-				trampolines[libcFn] = true
-				// Declare assembly trampoline.
-				text += fmt.Sprintf("func libc_%s_trampoline()\n", libcFn)
-				// Assembly trampoline calls the libc_* function, which this magic
-				// redirects to use the function from libSystem.
-				text += fmt.Sprintf("//go:linkname libc_%s libc_%s\n", libcFn, libcFn)
-				text += fmt.Sprintf("//go:cgo_import_dynamic libc_%s %s \"/usr/lib/libSystem.B.dylib\"\n", libcFn, libcFn)
-				text += "\n"
-			}
-		}
-		if err := s.Err(); err != nil {
-			fmt.Fprintf(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		file.Close()
-	}
-	fmt.Printf(srcTemplate, cmdLine(), buildTags(), text)
-}
-
-const srcTemplate = `// %s
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build %s
-
-package unix
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-var _ syscall.Errno
-
-%s
-`
diff --git a/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc.go b/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc.go
deleted file mode 100644
index 3be3cdfc3..000000000
--- a/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc.go
+++ /dev/null
@@ -1,415 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-/*
-This program reads a file containing function prototypes
-(like syscall_aix.go) and generates system call bodies.
-The prototypes are marked by lines beginning with "//sys"
-and read like func declarations if //sys is replaced by func, but:
-	* The parameter lists must give a name for each argument.
-	  This includes return parameters.
-	* The parameter lists must give a type for each argument:
-	  the (x, y, z int) shorthand is not allowed.
-	* If the return parameter is an error number, it must be named err.
-	* If go func name needs to be different than its libc name,
-	* or the function is not in libc, name could be specified
-	* at the end, after "=" sign, like
-	  //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
-*/
-package main
-
-import (
-	"bufio"
-	"flag"
-	"fmt"
-	"os"
-	"regexp"
-	"strings"
-)
-
-var (
-	b32  = flag.Bool("b32", false, "32bit big-endian")
-	l32  = flag.Bool("l32", false, "32bit little-endian")
-	aix  = flag.Bool("aix", false, "aix")
-	tags = flag.String("tags", "", "build tags")
-)
-
-// cmdLine returns this programs's commandline arguments
-func cmdLine() string {
-	return "go run mksyscall_aix_ppc.go " + strings.Join(os.Args[1:], " ")
-}
-
-// buildTags returns build tags
-func buildTags() string {
-	return *tags
-}
-
-// Param is function parameter
-type Param struct {
-	Name string
-	Type string
-}
-
-// usage prints the program usage
-func usage() {
-	fmt.Fprintf(os.Stderr, "usage: go run mksyscall_aix_ppc.go [-b32 | -l32] [-tags x,y] [file ...]\n")
-	os.Exit(1)
-}
-
-// parseParamList parses parameter list and returns a slice of parameters
-func parseParamList(list string) []string {
-	list = strings.TrimSpace(list)
-	if list == "" {
-		return []string{}
-	}
-	return regexp.MustCompile(`\s*,\s*`).Split(list, -1)
-}
-
-// parseParam splits a parameter into name and type
-func parseParam(p string) Param {
-	ps := regexp.MustCompile(`^(\S*) (\S*)$`).FindStringSubmatch(p)
-	if ps == nil {
-		fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p)
-		os.Exit(1)
-	}
-	return Param{ps[1], ps[2]}
-}
-
-func main() {
-	flag.Usage = usage
-	flag.Parse()
-	if len(flag.Args()) <= 0 {
-		fmt.Fprintf(os.Stderr, "no files to parse provided\n")
-		usage()
-	}
-
-	endianness := ""
-	if *b32 {
-		endianness = "big-endian"
-	} else if *l32 {
-		endianness = "little-endian"
-	}
-
-	pack := ""
-	text := ""
-	cExtern := "/*\n#include <stdint.h>\n#include <stddef.h>\n"
-	for _, path := range flag.Args() {
-		file, err := os.Open(path)
-		if err != nil {
-			fmt.Fprintf(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		s := bufio.NewScanner(file)
-		for s.Scan() {
-			t := s.Text()
-			t = strings.TrimSpace(t)
-			t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `)
-			if p := regexp.MustCompile(`^package (\S+)$`).FindStringSubmatch(t); p != nil && pack == "" {
-				pack = p[1]
-			}
-			nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t)
-			if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil {
-				continue
-			}
-
-			// Line must be of the form
-			//	func Open(path string, mode int, perm int) (fd int, err error)
-			// Split into name, in params, out params.
-			f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$`).FindStringSubmatch(t)
-			if f == nil {
-				fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t)
-				os.Exit(1)
-			}
-			funct, inps, outps, modname, sysname := f[2], f[3], f[4], f[5], f[6]
-
-			// Split argument lists on comma.
-			in := parseParamList(inps)
-			out := parseParamList(outps)
-
-			inps = strings.Join(in, ", ")
-			outps = strings.Join(out, ", ")
-
-			// Try in vain to keep people from editing this file.
-			// The theory is that they jump into the middle of the file
-			// without reading the header.
-			text += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
-
-			// Check if value return, err return available
-			errvar := ""
-			retvar := ""
-			rettype := ""
-			for _, param := range out {
-				p := parseParam(param)
-				if p.Type == "error" {
-					errvar = p.Name
-				} else {
-					retvar = p.Name
-					rettype = p.Type
-				}
-			}
-
-			// System call name.
-			if sysname == "" {
-				sysname = funct
-			}
-			sysname = regexp.MustCompile(`([a-z])([A-Z])`).ReplaceAllString(sysname, `${1}_$2`)
-			sysname = strings.ToLower(sysname) // All libc functions are lowercase.
-
-			cRettype := ""
-			if rettype == "unsafe.Pointer" {
-				cRettype = "uintptr_t"
-			} else if rettype == "uintptr" {
-				cRettype = "uintptr_t"
-			} else if regexp.MustCompile(`^_`).FindStringSubmatch(rettype) != nil {
-				cRettype = "uintptr_t"
-			} else if rettype == "int" {
-				cRettype = "int"
-			} else if rettype == "int32" {
-				cRettype = "int"
-			} else if rettype == "int64" {
-				cRettype = "long long"
-			} else if rettype == "uint32" {
-				cRettype = "unsigned int"
-			} else if rettype == "uint64" {
-				cRettype = "unsigned long long"
-			} else {
-				cRettype = "int"
-			}
-			if sysname == "exit" {
-				cRettype = "void"
-			}
-
-			// Change p.Types to c
-			var cIn []string
-			for _, param := range in {
-				p := parseParam(param)
-				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
-					cIn = append(cIn, "uintptr_t")
-				} else if p.Type == "string" {
-					cIn = append(cIn, "uintptr_t")
-				} else if regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type) != nil {
-					cIn = append(cIn, "uintptr_t", "size_t")
-				} else if p.Type == "unsafe.Pointer" {
-					cIn = append(cIn, "uintptr_t")
-				} else if p.Type == "uintptr" {
-					cIn = append(cIn, "uintptr_t")
-				} else if regexp.MustCompile(`^_`).FindStringSubmatch(p.Type) != nil {
-					cIn = append(cIn, "uintptr_t")
-				} else if p.Type == "int" {
-					cIn = append(cIn, "int")
-				} else if p.Type == "int32" {
-					cIn = append(cIn, "int")
-				} else if p.Type == "int64" {
-					cIn = append(cIn, "long long")
-				} else if p.Type == "uint32" {
-					cIn = append(cIn, "unsigned int")
-				} else if p.Type == "uint64" {
-					cIn = append(cIn, "unsigned long long")
-				} else {
-					cIn = append(cIn, "int")
-				}
-			}
-
-			if funct != "fcntl" && funct != "FcntlInt" && funct != "readlen" && funct != "writelen" {
-				if sysname == "select" {
-					// select is a keyword of Go. Its name is
-					// changed to c_select.
-					cExtern += "#define c_select select\n"
-				}
-				// Imports of system calls from libc
-				cExtern += fmt.Sprintf("%s %s", cRettype, sysname)
-				cIn := strings.Join(cIn, ", ")
-				cExtern += fmt.Sprintf("(%s);\n", cIn)
-			}
-
-			// So file name.
-			if *aix {
-				if modname == "" {
-					modname = "libc.a/shr_64.o"
-				} else {
-					fmt.Fprintf(os.Stderr, "%s: only syscall using libc are available\n", funct)
-					os.Exit(1)
-				}
-			}
-
-			strconvfunc := "C.CString"
-
-			// Go function header.
-			if outps != "" {
-				outps = fmt.Sprintf(" (%s)", outps)
-			}
-			if text != "" {
-				text += "\n"
-			}
-
-			text += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outps)
-
-			// Prepare arguments to Syscall.
-			var args []string
-			n := 0
-			argN := 0
-			for _, param := range in {
-				p := parseParam(param)
-				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
-					args = append(args, "C.uintptr_t(uintptr(unsafe.Pointer("+p.Name+")))")
-				} else if p.Type == "string" && errvar != "" {
-					text += fmt.Sprintf("\t_p%d := uintptr(unsafe.Pointer(%s(%s)))\n", n, strconvfunc, p.Name)
-					args = append(args, fmt.Sprintf("C.uintptr_t(_p%d)", n))
-					n++
-				} else if p.Type == "string" {
-					fmt.Fprintf(os.Stderr, path+":"+funct+" uses string arguments, but has no error return\n")
-					text += fmt.Sprintf("\t_p%d := uintptr(unsafe.Pointer(%s(%s)))\n", n, strconvfunc, p.Name)
-					args = append(args, fmt.Sprintf("C.uintptr_t(_p%d)", n))
-					n++
-				} else if m := regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type); m != nil {
-					// Convert slice into pointer, length.
-					// Have to be careful not to take address of &a[0] if len == 0:
-					// pass nil in that case.
-					text += fmt.Sprintf("\tvar _p%d *%s\n", n, m[1])
-					text += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = &%s[0]\n\t}\n", p.Name, n, p.Name)
-					args = append(args, fmt.Sprintf("C.uintptr_t(uintptr(unsafe.Pointer(_p%d)))", n))
-					n++
-					text += fmt.Sprintf("\tvar _p%d int\n", n)
-					text += fmt.Sprintf("\t_p%d = len(%s)\n", n, p.Name)
-					args = append(args, fmt.Sprintf("C.size_t(_p%d)", n))
-					n++
-				} else if p.Type == "int64" && endianness != "" {
-					if endianness == "big-endian" {
-						args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name))
-					} else {
-						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name))
-					}
-					n++
-				} else if p.Type == "bool" {
-					text += fmt.Sprintf("\tvar _p%d uint32\n", n)
-					text += fmt.Sprintf("\tif %s {\n\t\t_p%d = 1\n\t} else {\n\t\t_p%d = 0\n\t}\n", p.Name, n, n)
-					args = append(args, fmt.Sprintf("_p%d", n))
-				} else if regexp.MustCompile(`^_`).FindStringSubmatch(p.Type) != nil {
-					args = append(args, fmt.Sprintf("C.uintptr_t(uintptr(%s))", p.Name))
-				} else if p.Type == "unsafe.Pointer" {
-					args = append(args, fmt.Sprintf("C.uintptr_t(uintptr(%s))", p.Name))
-				} else if p.Type == "int" {
-					if (argN == 2) && ((funct == "readlen") || (funct == "writelen")) {
-						args = append(args, fmt.Sprintf("C.size_t(%s)", p.Name))
-					} else if argN == 0 && funct == "fcntl" {
-						args = append(args, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
-					} else if (argN == 2) && ((funct == "fcntl") || (funct == "FcntlInt")) {
-						args = append(args, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
-					} else {
-						args = append(args, fmt.Sprintf("C.int(%s)", p.Name))
-					}
-				} else if p.Type == "int32" {
-					args = append(args, fmt.Sprintf("C.int(%s)", p.Name))
-				} else if p.Type == "int64" {
-					args = append(args, fmt.Sprintf("C.longlong(%s)", p.Name))
-				} else if p.Type == "uint32" {
-					args = append(args, fmt.Sprintf("C.uint(%s)", p.Name))
-				} else if p.Type == "uint64" {
-					args = append(args, fmt.Sprintf("C.ulonglong(%s)", p.Name))
-				} else if p.Type == "uintptr" {
-					args = append(args, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
-				} else {
-					args = append(args, fmt.Sprintf("C.int(%s)", p.Name))
-				}
-				argN++
-			}
-
-			// Actual call.
-			arglist := strings.Join(args, ", ")
-			call := ""
-			if sysname == "exit" {
-				if errvar != "" {
-					call += "er :="
-				} else {
-					call += ""
-				}
-			} else if errvar != "" {
-				call += "r0,er :="
-			} else if retvar != "" {
-				call += "r0,_ :="
-			} else {
-				call += ""
-			}
-			if sysname == "select" {
-				// select is a keyword of Go. Its name is
-				// changed to c_select.
-				call += fmt.Sprintf("C.c_%s(%s)", sysname, arglist)
-			} else {
-				call += fmt.Sprintf("C.%s(%s)", sysname, arglist)
-			}
-
-			// Assign return values.
-			body := ""
-			for i := 0; i < len(out); i++ {
-				p := parseParam(out[i])
-				reg := ""
-				if p.Name == "err" {
-					reg = "e1"
-				} else {
-					reg = "r0"
-				}
-				if reg != "e1" {
-					body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg)
-				}
-			}
-
-			// verify return
-			if sysname != "exit" && errvar != "" {
-				if regexp.MustCompile(`^uintptr`).FindStringSubmatch(cRettype) != nil {
-					body += "\tif (uintptr(r0) ==^uintptr(0) && er != nil) {\n"
-					body += fmt.Sprintf("\t\t%s = er\n", errvar)
-					body += "\t}\n"
-				} else {
-					body += "\tif (r0 ==-1 && er != nil) {\n"
-					body += fmt.Sprintf("\t\t%s = er\n", errvar)
-					body += "\t}\n"
-				}
-			} else if errvar != "" {
-				body += "\tif (er != nil) {\n"
-				body += fmt.Sprintf("\t\t%s = er\n", errvar)
-				body += "\t}\n"
-			}
-
-			text += fmt.Sprintf("\t%s\n", call)
-			text += body
-
-			text += "\treturn\n"
-			text += "}\n"
-		}
-		if err := s.Err(); err != nil {
-			fmt.Fprintf(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		file.Close()
-	}
-	imp := ""
-	if pack != "unix" {
-		imp = "import \"golang.org/x/sys/unix\"\n"
-
-	}
-	fmt.Printf(srcTemplate, cmdLine(), buildTags(), pack, cExtern, imp, text)
-}
-
-const srcTemplate = `// %s
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build %s
-
-package %s
-
-
-%s
-*/
-import "C"
-import (
-	"unsafe"
-)
-
-
-%s
-
-%s
-`
diff --git a/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.go b/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.go
deleted file mode 100644
index c96009951..000000000
--- a/vendor/golang.org/x/sys/unix/mksyscall_aix_ppc64.go
+++ /dev/null
@@ -1,614 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-/*
-This program reads a file containing function prototypes
-(like syscall_aix.go) and generates system call bodies.
-The prototypes are marked by lines beginning with "//sys"
-and read like func declarations if //sys is replaced by func, but:
-	* The parameter lists must give a name for each argument.
-	  This includes return parameters.
-	* The parameter lists must give a type for each argument:
-	  the (x, y, z int) shorthand is not allowed.
-	* If the return parameter is an error number, it must be named err.
-	* If go func name needs to be different than its libc name,
-	* or the function is not in libc, name could be specified
-	* at the end, after "=" sign, like
-	  //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
-
-
-This program will generate three files and handle both gc and gccgo implementation:
-  - zsyscall_aix_ppc64.go: the common part of each implementation (error handler, pointer creation)
-  - zsyscall_aix_ppc64_gc.go: gc part with //go_cgo_import_dynamic and a call to syscall6
-  - zsyscall_aix_ppc64_gccgo.go: gccgo part with C function and conversion to C type.
-
- The generated code looks like this
-
-zsyscall_aix_ppc64.go
-func asyscall(...) (n int, err error) {
-	 // Pointer Creation
-	 r1, e1 := callasyscall(...)
-	 // Type Conversion
-	 // Error Handler
-	 return
-}
-
-zsyscall_aix_ppc64_gc.go
-//go:cgo_import_dynamic libc_asyscall asyscall "libc.a/shr_64.o"
-//go:linkname libc_asyscall libc_asyscall
-var asyscall syscallFunc
-
-func callasyscall(...) (r1 uintptr, e1 Errno) {
-	 r1, _, e1 = syscall6(uintptr(unsafe.Pointer(&libc_asyscall)), "nb_args", ... )
-	 return
-}
-
-zsyscall_aix_ppc64_ggcgo.go
-
-// int asyscall(...)
-
-import "C"
-
-func callasyscall(...) (r1 uintptr, e1 Errno) {
-	 r1 = uintptr(C.asyscall(...))
-	 e1 = syscall.GetErrno()
-	 return
-}
-*/
-
-package main
-
-import (
-	"bufio"
-	"flag"
-	"fmt"
-	"io/ioutil"
-	"os"
-	"regexp"
-	"strings"
-)
-
-var (
-	b32  = flag.Bool("b32", false, "32bit big-endian")
-	l32  = flag.Bool("l32", false, "32bit little-endian")
-	aix  = flag.Bool("aix", false, "aix")
-	tags = flag.String("tags", "", "build tags")
-)
-
-// cmdLine returns this programs's commandline arguments
-func cmdLine() string {
-	return "go run mksyscall_aix_ppc64.go " + strings.Join(os.Args[1:], " ")
-}
-
-// buildTags returns build tags
-func buildTags() string {
-	return *tags
-}
-
-// Param is function parameter
-type Param struct {
-	Name string
-	Type string
-}
-
-// usage prints the program usage
-func usage() {
-	fmt.Fprintf(os.Stderr, "usage: go run mksyscall_aix_ppc64.go [-b32 | -l32] [-tags x,y] [file ...]\n")
-	os.Exit(1)
-}
-
-// parseParamList parses parameter list and returns a slice of parameters
-func parseParamList(list string) []string {
-	list = strings.TrimSpace(list)
-	if list == "" {
-		return []string{}
-	}
-	return regexp.MustCompile(`\s*,\s*`).Split(list, -1)
-}
-
-// parseParam splits a parameter into name and type
-func parseParam(p string) Param {
-	ps := regexp.MustCompile(`^(\S*) (\S*)$`).FindStringSubmatch(p)
-	if ps == nil {
-		fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p)
-		os.Exit(1)
-	}
-	return Param{ps[1], ps[2]}
-}
-
-func main() {
-	flag.Usage = usage
-	flag.Parse()
-	if len(flag.Args()) <= 0 {
-		fmt.Fprintf(os.Stderr, "no files to parse provided\n")
-		usage()
-	}
-
-	endianness := ""
-	if *b32 {
-		endianness = "big-endian"
-	} else if *l32 {
-		endianness = "little-endian"
-	}
-
-	pack := ""
-	// GCCGO
-	textgccgo := ""
-	cExtern := "/*\n#include <stdint.h>\n"
-	// GC
-	textgc := ""
-	dynimports := ""
-	linknames := ""
-	var vars []string
-	// COMMON
-	textcommon := ""
-	for _, path := range flag.Args() {
-		file, err := os.Open(path)
-		if err != nil {
-			fmt.Fprintf(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		s := bufio.NewScanner(file)
-		for s.Scan() {
-			t := s.Text()
-			t = strings.TrimSpace(t)
-			t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `)
-			if p := regexp.MustCompile(`^package (\S+)$`).FindStringSubmatch(t); p != nil && pack == "" {
-				pack = p[1]
-			}
-			nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t)
-			if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil {
-				continue
-			}
-
-			// Line must be of the form
-			//	func Open(path string, mode int, perm int) (fd int, err error)
-			// Split into name, in params, out params.
-			f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$`).FindStringSubmatch(t)
-			if f == nil {
-				fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t)
-				os.Exit(1)
-			}
-			funct, inps, outps, modname, sysname := f[2], f[3], f[4], f[5], f[6]
-
-			// Split argument lists on comma.
-			in := parseParamList(inps)
-			out := parseParamList(outps)
-
-			inps = strings.Join(in, ", ")
-			outps = strings.Join(out, ", ")
-
-			if sysname == "" {
-				sysname = funct
-			}
-
-			onlyCommon := false
-			if funct == "readlen" || funct == "writelen" || funct == "FcntlInt" || funct == "FcntlFlock" {
-				// This function call another syscall which is already implemented.
-				// Therefore, the gc and gccgo part must not be generated.
-				onlyCommon = true
-			}
-
-			// Try in vain to keep people from editing this file.
-			// The theory is that they jump into the middle of the file
-			// without reading the header.
-
-			textcommon += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
-			if !onlyCommon {
-				textgccgo += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
-				textgc += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
-			}
-
-			// Check if value return, err return available
-			errvar := ""
-			rettype := ""
-			for _, param := range out {
-				p := parseParam(param)
-				if p.Type == "error" {
-					errvar = p.Name
-				} else {
-					rettype = p.Type
-				}
-			}
-
-			sysname = regexp.MustCompile(`([a-z])([A-Z])`).ReplaceAllString(sysname, `${1}_$2`)
-			sysname = strings.ToLower(sysname) // All libc functions are lowercase.
-
-			// GCCGO Prototype return type
-			cRettype := ""
-			if rettype == "unsafe.Pointer" {
-				cRettype = "uintptr_t"
-			} else if rettype == "uintptr" {
-				cRettype = "uintptr_t"
-			} else if regexp.MustCompile(`^_`).FindStringSubmatch(rettype) != nil {
-				cRettype = "uintptr_t"
-			} else if rettype == "int" {
-				cRettype = "int"
-			} else if rettype == "int32" {
-				cRettype = "int"
-			} else if rettype == "int64" {
-				cRettype = "long long"
-			} else if rettype == "uint32" {
-				cRettype = "unsigned int"
-			} else if rettype == "uint64" {
-				cRettype = "unsigned long long"
-			} else {
-				cRettype = "int"
-			}
-			if sysname == "exit" {
-				cRettype = "void"
-			}
-
-			// GCCGO Prototype arguments type
-			var cIn []string
-			for i, param := range in {
-				p := parseParam(param)
-				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
-					cIn = append(cIn, "uintptr_t")
-				} else if p.Type == "string" {
-					cIn = append(cIn, "uintptr_t")
-				} else if regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type) != nil {
-					cIn = append(cIn, "uintptr_t", "size_t")
-				} else if p.Type == "unsafe.Pointer" {
-					cIn = append(cIn, "uintptr_t")
-				} else if p.Type == "uintptr" {
-					cIn = append(cIn, "uintptr_t")
-				} else if regexp.MustCompile(`^_`).FindStringSubmatch(p.Type) != nil {
-					cIn = append(cIn, "uintptr_t")
-				} else if p.Type == "int" {
-					if (i == 0 || i == 2) && funct == "fcntl" {
-						// These fcntl arguments needs to be uintptr to be able to call FcntlInt and FcntlFlock
-						cIn = append(cIn, "uintptr_t")
-					} else {
-						cIn = append(cIn, "int")
-					}
-
-				} else if p.Type == "int32" {
-					cIn = append(cIn, "int")
-				} else if p.Type == "int64" {
-					cIn = append(cIn, "long long")
-				} else if p.Type == "uint32" {
-					cIn = append(cIn, "unsigned int")
-				} else if p.Type == "uint64" {
-					cIn = append(cIn, "unsigned long long")
-				} else {
-					cIn = append(cIn, "int")
-				}
-			}
-
-			if !onlyCommon {
-				// GCCGO Prototype Generation
-				// Imports of system calls from libc
-				if sysname == "select" {
-					// select is a keyword of Go. Its name is
-					// changed to c_select.
-					cExtern += "#define c_select select\n"
-				}
-				cExtern += fmt.Sprintf("%s %s", cRettype, sysname)
-				cIn := strings.Join(cIn, ", ")
-				cExtern += fmt.Sprintf("(%s);\n", cIn)
-			}
-			// GC Library name
-			if modname == "" {
-				modname = "libc.a/shr_64.o"
-			} else {
-				fmt.Fprintf(os.Stderr, "%s: only syscall using libc are available\n", funct)
-				os.Exit(1)
-			}
-			sysvarname := fmt.Sprintf("libc_%s", sysname)
-
-			if !onlyCommon {
-				// GC Runtime import of function to allow cross-platform builds.
-				dynimports += fmt.Sprintf("//go:cgo_import_dynamic %s %s \"%s\"\n", sysvarname, sysname, modname)
-				// GC Link symbol to proc address variable.
-				linknames += fmt.Sprintf("//go:linkname %s %s\n", sysvarname, sysvarname)
-				// GC Library proc address variable.
-				vars = append(vars, sysvarname)
-			}
-
-			strconvfunc := "BytePtrFromString"
-			strconvtype := "*byte"
-
-			// Go function header.
-			if outps != "" {
-				outps = fmt.Sprintf(" (%s)", outps)
-			}
-			if textcommon != "" {
-				textcommon += "\n"
-			}
-
-			textcommon += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outps)
-
-			// Prepare arguments tocall.
-			var argscommon []string // Arguments in the common part
-			var argscall []string   // Arguments for call prototype
-			var argsgc []string     // Arguments for gc call (with syscall6)
-			var argsgccgo []string  // Arguments for gccgo call (with C.name_of_syscall)
-			n := 0
-			argN := 0
-			for _, param := range in {
-				p := parseParam(param)
-				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
-					argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(%s))", p.Name))
-					argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name))
-					argsgc = append(argsgc, p.Name)
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
-				} else if p.Type == "string" && errvar != "" {
-					textcommon += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype)
-					textcommon += fmt.Sprintf("\t_p%d, %s = %s(%s)\n", n, errvar, strconvfunc, p.Name)
-					textcommon += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar)
-
-					argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
-					argscall = append(argscall, fmt.Sprintf("_p%d uintptr ", n))
-					argsgc = append(argsgc, fmt.Sprintf("_p%d", n))
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(_p%d)", n))
-					n++
-				} else if p.Type == "string" {
-					fmt.Fprintf(os.Stderr, path+":"+funct+" uses string arguments, but has no error return\n")
-					textcommon += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype)
-					textcommon += fmt.Sprintf("\t_p%d, %s = %s(%s)\n", n, errvar, strconvfunc, p.Name)
-					textcommon += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar)
-
-					argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
-					argscall = append(argscall, fmt.Sprintf("_p%d uintptr", n))
-					argsgc = append(argsgc, fmt.Sprintf("_p%d", n))
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(_p%d)", n))
-					n++
-				} else if m := regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type); m != nil {
-					// Convert slice into pointer, length.
-					// Have to be careful not to take address of &a[0] if len == 0:
-					// pass nil in that case.
-					textcommon += fmt.Sprintf("\tvar _p%d *%s\n", n, m[1])
-					textcommon += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = &%s[0]\n\t}\n", p.Name, n, p.Name)
-					argscommon = append(argscommon, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n), fmt.Sprintf("len(%s)", p.Name))
-					argscall = append(argscall, fmt.Sprintf("_p%d uintptr", n), fmt.Sprintf("_lenp%d int", n))
-					argsgc = append(argsgc, fmt.Sprintf("_p%d", n), fmt.Sprintf("uintptr(_lenp%d)", n))
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(_p%d)", n), fmt.Sprintf("C.size_t(_lenp%d)", n))
-					n++
-				} else if p.Type == "int64" && endianness != "" {
-					fmt.Fprintf(os.Stderr, path+":"+funct+" uses int64 with 32 bits mode. Case not yet implemented\n")
-				} else if p.Type == "bool" {
-					fmt.Fprintf(os.Stderr, path+":"+funct+" uses bool. Case not yet implemented\n")
-				} else if regexp.MustCompile(`^_`).FindStringSubmatch(p.Type) != nil || p.Type == "unsafe.Pointer" {
-					argscommon = append(argscommon, fmt.Sprintf("uintptr(%s)", p.Name))
-					argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name))
-					argsgc = append(argsgc, p.Name)
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
-				} else if p.Type == "int" {
-					if (argN == 0 || argN == 2) && ((funct == "fcntl") || (funct == "FcntlInt") || (funct == "FcntlFlock")) {
-						// These fcntl arguments need to be uintptr to be able to call FcntlInt and FcntlFlock
-						argscommon = append(argscommon, fmt.Sprintf("uintptr(%s)", p.Name))
-						argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name))
-						argsgc = append(argsgc, p.Name)
-						argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
-
-					} else {
-						argscommon = append(argscommon, p.Name)
-						argscall = append(argscall, fmt.Sprintf("%s int", p.Name))
-						argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
-						argsgccgo = append(argsgccgo, fmt.Sprintf("C.int(%s)", p.Name))
-					}
-				} else if p.Type == "int32" {
-					argscommon = append(argscommon, p.Name)
-					argscall = append(argscall, fmt.Sprintf("%s int32", p.Name))
-					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.int(%s)", p.Name))
-				} else if p.Type == "int64" {
-					argscommon = append(argscommon, p.Name)
-					argscall = append(argscall, fmt.Sprintf("%s int64", p.Name))
-					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.longlong(%s)", p.Name))
-				} else if p.Type == "uint32" {
-					argscommon = append(argscommon, p.Name)
-					argscall = append(argscall, fmt.Sprintf("%s uint32", p.Name))
-					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uint(%s)", p.Name))
-				} else if p.Type == "uint64" {
-					argscommon = append(argscommon, p.Name)
-					argscall = append(argscall, fmt.Sprintf("%s uint64", p.Name))
-					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.ulonglong(%s)", p.Name))
-				} else if p.Type == "uintptr" {
-					argscommon = append(argscommon, p.Name)
-					argscall = append(argscall, fmt.Sprintf("%s uintptr", p.Name))
-					argsgc = append(argsgc, p.Name)
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.uintptr_t(%s)", p.Name))
-				} else {
-					argscommon = append(argscommon, fmt.Sprintf("int(%s)", p.Name))
-					argscall = append(argscall, fmt.Sprintf("%s int", p.Name))
-					argsgc = append(argsgc, fmt.Sprintf("uintptr(%s)", p.Name))
-					argsgccgo = append(argsgccgo, fmt.Sprintf("C.int(%s)", p.Name))
-				}
-				argN++
-			}
-			nargs := len(argsgc)
-
-			// COMMON function generation
-			argscommonlist := strings.Join(argscommon, ", ")
-			callcommon := fmt.Sprintf("call%s(%s)", sysname, argscommonlist)
-			ret := []string{"_", "_"}
-			body := ""
-			doErrno := false
-			for i := 0; i < len(out); i++ {
-				p := parseParam(out[i])
-				reg := ""
-				if p.Name == "err" {
-					reg = "e1"
-					ret[1] = reg
-					doErrno = true
-				} else {
-					reg = "r0"
-					ret[0] = reg
-				}
-				if p.Type == "bool" {
-					reg = fmt.Sprintf("%s != 0", reg)
-				}
-				if reg != "e1" {
-					body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg)
-				}
-			}
-			if ret[0] == "_" && ret[1] == "_" {
-				textcommon += fmt.Sprintf("\t%s\n", callcommon)
-			} else {
-				textcommon += fmt.Sprintf("\t%s, %s := %s\n", ret[0], ret[1], callcommon)
-			}
-			textcommon += body
-
-			if doErrno {
-				textcommon += "\tif e1 != 0 {\n"
-				textcommon += "\t\terr = errnoErr(e1)\n"
-				textcommon += "\t}\n"
-			}
-			textcommon += "\treturn\n"
-			textcommon += "}\n"
-
-			if onlyCommon {
-				continue
-			}
-
-			// CALL Prototype
-			callProto := fmt.Sprintf("func call%s(%s) (r1 uintptr, e1 Errno) {\n", sysname, strings.Join(argscall, ", "))
-
-			// GC function generation
-			asm := "syscall6"
-			if nonblock != nil {
-				asm = "rawSyscall6"
-			}
-
-			if len(argsgc) <= 6 {
-				for len(argsgc) < 6 {
-					argsgc = append(argsgc, "0")
-				}
-			} else {
-				fmt.Fprintf(os.Stderr, "%s: too many arguments to system call", funct)
-				os.Exit(1)
-			}
-			argsgclist := strings.Join(argsgc, ", ")
-			callgc := fmt.Sprintf("%s(uintptr(unsafe.Pointer(&%s)), %d, %s)", asm, sysvarname, nargs, argsgclist)
-
-			textgc += callProto
-			textgc += fmt.Sprintf("\tr1, _, e1 = %s\n", callgc)
-			textgc += "\treturn\n}\n"
-
-			// GCCGO function generation
-			argsgccgolist := strings.Join(argsgccgo, ", ")
-			var callgccgo string
-			if sysname == "select" {
-				// select is a keyword of Go. Its name is
-				// changed to c_select.
-				callgccgo = fmt.Sprintf("C.c_%s(%s)", sysname, argsgccgolist)
-			} else {
-				callgccgo = fmt.Sprintf("C.%s(%s)", sysname, argsgccgolist)
-			}
-			textgccgo += callProto
-			textgccgo += fmt.Sprintf("\tr1 = uintptr(%s)\n", callgccgo)
-			textgccgo += "\te1 = syscall.GetErrno()\n"
-			textgccgo += "\treturn\n}\n"
-		}
-		if err := s.Err(); err != nil {
-			fmt.Fprintf(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		file.Close()
-	}
-	imp := ""
-	if pack != "unix" {
-		imp = "import \"golang.org/x/sys/unix\"\n"
-
-	}
-
-	// Print zsyscall_aix_ppc64.go
-	err := ioutil.WriteFile("zsyscall_aix_ppc64.go",
-		[]byte(fmt.Sprintf(srcTemplate1, cmdLine(), buildTags(), pack, imp, textcommon)),
-		0644)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, err.Error())
-		os.Exit(1)
-	}
-
-	// Print zsyscall_aix_ppc64_gc.go
-	vardecls := "\t" + strings.Join(vars, ",\n\t")
-	vardecls += " syscallFunc"
-	err = ioutil.WriteFile("zsyscall_aix_ppc64_gc.go",
-		[]byte(fmt.Sprintf(srcTemplate2, cmdLine(), buildTags(), pack, imp, dynimports, linknames, vardecls, textgc)),
-		0644)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, err.Error())
-		os.Exit(1)
-	}
-
-	// Print zsyscall_aix_ppc64_gccgo.go
-	err = ioutil.WriteFile("zsyscall_aix_ppc64_gccgo.go",
-		[]byte(fmt.Sprintf(srcTemplate3, cmdLine(), buildTags(), pack, cExtern, imp, textgccgo)),
-		0644)
-	if err != nil {
-		fmt.Fprintf(os.Stderr, err.Error())
-		os.Exit(1)
-	}
-}
-
-const srcTemplate1 = `// %s
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build %s
-
-package %s
-
-import (
-	"unsafe"
-)
-
-
-%s
-
-%s
-`
-const srcTemplate2 = `// %s
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build %s
-// +build !gccgo
-
-package %s
-
-import (
-	"unsafe"
-)
-%s
-%s
-%s
-type syscallFunc uintptr
-
-var (
-%s
-)
-
-// Implemented in runtime/syscall_aix.go.
-func rawSyscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
-func syscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
-
-%s
-`
-const srcTemplate3 = `// %s
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build %s
-// +build gccgo
-
-package %s
-
-%s
-*/
-import "C"
-import (
-	"syscall"
-)
-
-
-%s
-
-%s
-`
diff --git a/vendor/golang.org/x/sys/unix/mksyscall_solaris.go b/vendor/golang.org/x/sys/unix/mksyscall_solaris.go
deleted file mode 100644
index 3d864738b..000000000
--- a/vendor/golang.org/x/sys/unix/mksyscall_solaris.go
+++ /dev/null
@@ -1,335 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-/*
- This program reads a file containing function prototypes
- (like syscall_solaris.go) and generates system call bodies.
- The prototypes are marked by lines beginning with "//sys"
- and read like func declarations if //sys is replaced by func, but:
-	* The parameter lists must give a name for each argument.
-	  This includes return parameters.
-	* The parameter lists must give a type for each argument:
-	  the (x, y, z int) shorthand is not allowed.
-	* If the return parameter is an error number, it must be named err.
-	* If go func name needs to be different than its libc name,
-	* or the function is not in libc, name could be specified
-	* at the end, after "=" sign, like
-	  //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
-*/
-
-package main
-
-import (
-	"bufio"
-	"flag"
-	"fmt"
-	"os"
-	"regexp"
-	"strings"
-)
-
-var (
-	b32  = flag.Bool("b32", false, "32bit big-endian")
-	l32  = flag.Bool("l32", false, "32bit little-endian")
-	tags = flag.String("tags", "", "build tags")
-)
-
-// cmdLine returns this programs's commandline arguments
-func cmdLine() string {
-	return "go run mksyscall_solaris.go " + strings.Join(os.Args[1:], " ")
-}
-
-// buildTags returns build tags
-func buildTags() string {
-	return *tags
-}
-
-// Param is function parameter
-type Param struct {
-	Name string
-	Type string
-}
-
-// usage prints the program usage
-func usage() {
-	fmt.Fprintf(os.Stderr, "usage: go run mksyscall_solaris.go [-b32 | -l32] [-tags x,y] [file ...]\n")
-	os.Exit(1)
-}
-
-// parseParamList parses parameter list and returns a slice of parameters
-func parseParamList(list string) []string {
-	list = strings.TrimSpace(list)
-	if list == "" {
-		return []string{}
-	}
-	return regexp.MustCompile(`\s*,\s*`).Split(list, -1)
-}
-
-// parseParam splits a parameter into name and type
-func parseParam(p string) Param {
-	ps := regexp.MustCompile(`^(\S*) (\S*)$`).FindStringSubmatch(p)
-	if ps == nil {
-		fmt.Fprintf(os.Stderr, "malformed parameter: %s\n", p)
-		os.Exit(1)
-	}
-	return Param{ps[1], ps[2]}
-}
-
-func main() {
-	flag.Usage = usage
-	flag.Parse()
-	if len(flag.Args()) <= 0 {
-		fmt.Fprintf(os.Stderr, "no files to parse provided\n")
-		usage()
-	}
-
-	endianness := ""
-	if *b32 {
-		endianness = "big-endian"
-	} else if *l32 {
-		endianness = "little-endian"
-	}
-
-	pack := ""
-	text := ""
-	dynimports := ""
-	linknames := ""
-	var vars []string
-	for _, path := range flag.Args() {
-		file, err := os.Open(path)
-		if err != nil {
-			fmt.Fprintf(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		s := bufio.NewScanner(file)
-		for s.Scan() {
-			t := s.Text()
-			t = strings.TrimSpace(t)
-			t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `)
-			if p := regexp.MustCompile(`^package (\S+)$`).FindStringSubmatch(t); p != nil && pack == "" {
-				pack = p[1]
-			}
-			nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t)
-			if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil {
-				continue
-			}
-
-			// Line must be of the form
-			//	func Open(path string, mode int, perm int) (fd int, err error)
-			// Split into name, in params, out params.
-			f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$`).FindStringSubmatch(t)
-			if f == nil {
-				fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t)
-				os.Exit(1)
-			}
-			funct, inps, outps, modname, sysname := f[2], f[3], f[4], f[5], f[6]
-
-			// Split argument lists on comma.
-			in := parseParamList(inps)
-			out := parseParamList(outps)
-
-			inps = strings.Join(in, ", ")
-			outps = strings.Join(out, ", ")
-
-			// Try in vain to keep people from editing this file.
-			// The theory is that they jump into the middle of the file
-			// without reading the header.
-			text += "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"
-
-			// So file name.
-			if modname == "" {
-				modname = "libc"
-			}
-
-			// System call name.
-			if sysname == "" {
-				sysname = funct
-			}
-
-			// System call pointer variable name.
-			sysvarname := fmt.Sprintf("proc%s", sysname)
-
-			strconvfunc := "BytePtrFromString"
-			strconvtype := "*byte"
-
-			sysname = strings.ToLower(sysname) // All libc functions are lowercase.
-
-			// Runtime import of function to allow cross-platform builds.
-			dynimports += fmt.Sprintf("//go:cgo_import_dynamic libc_%s %s \"%s.so\"\n", sysname, sysname, modname)
-			// Link symbol to proc address variable.
-			linknames += fmt.Sprintf("//go:linkname %s libc_%s\n", sysvarname, sysname)
-			// Library proc address variable.
-			vars = append(vars, sysvarname)
-
-			// Go function header.
-			outlist := strings.Join(out, ", ")
-			if outlist != "" {
-				outlist = fmt.Sprintf(" (%s)", outlist)
-			}
-			if text != "" {
-				text += "\n"
-			}
-			text += fmt.Sprintf("func %s(%s)%s {\n", funct, strings.Join(in, ", "), outlist)
-
-			// Check if err return available
-			errvar := ""
-			for _, param := range out {
-				p := parseParam(param)
-				if p.Type == "error" {
-					errvar = p.Name
-					continue
-				}
-			}
-
-			// Prepare arguments to Syscall.
-			var args []string
-			n := 0
-			for _, param := range in {
-				p := parseParam(param)
-				if regexp.MustCompile(`^\*`).FindStringSubmatch(p.Type) != nil {
-					args = append(args, "uintptr(unsafe.Pointer("+p.Name+"))")
-				} else if p.Type == "string" && errvar != "" {
-					text += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype)
-					text += fmt.Sprintf("\t_p%d, %s = %s(%s)\n", n, errvar, strconvfunc, p.Name)
-					text += fmt.Sprintf("\tif %s != nil {\n\t\treturn\n\t}\n", errvar)
-					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
-					n++
-				} else if p.Type == "string" {
-					fmt.Fprintf(os.Stderr, path+":"+funct+" uses string arguments, but has no error return\n")
-					text += fmt.Sprintf("\tvar _p%d %s\n", n, strconvtype)
-					text += fmt.Sprintf("\t_p%d, _ = %s(%s)\n", n, strconvfunc, p.Name)
-					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n))
-					n++
-				} else if s := regexp.MustCompile(`^\[\](.*)`).FindStringSubmatch(p.Type); s != nil {
-					// Convert slice into pointer, length.
-					// Have to be careful not to take address of &a[0] if len == 0:
-					// pass nil in that case.
-					text += fmt.Sprintf("\tvar _p%d *%s\n", n, s[1])
-					text += fmt.Sprintf("\tif len(%s) > 0 {\n\t\t_p%d = &%s[0]\n\t}\n", p.Name, n, p.Name)
-					args = append(args, fmt.Sprintf("uintptr(unsafe.Pointer(_p%d))", n), fmt.Sprintf("uintptr(len(%s))", p.Name))
-					n++
-				} else if p.Type == "int64" && endianness != "" {
-					if endianness == "big-endian" {
-						args = append(args, fmt.Sprintf("uintptr(%s>>32)", p.Name), fmt.Sprintf("uintptr(%s)", p.Name))
-					} else {
-						args = append(args, fmt.Sprintf("uintptr(%s)", p.Name), fmt.Sprintf("uintptr(%s>>32)", p.Name))
-					}
-				} else if p.Type == "bool" {
-					text += fmt.Sprintf("\tvar _p%d uint32\n", n)
-					text += fmt.Sprintf("\tif %s {\n\t\t_p%d = 1\n\t} else {\n\t\t_p%d = 0\n\t}\n", p.Name, n, n)
-					args = append(args, fmt.Sprintf("uintptr(_p%d)", n))
-					n++
-				} else {
-					args = append(args, fmt.Sprintf("uintptr(%s)", p.Name))
-				}
-			}
-			nargs := len(args)
-
-			// Determine which form to use; pad args with zeros.
-			asm := "sysvicall6"
-			if nonblock != nil {
-				asm = "rawSysvicall6"
-			}
-			if len(args) <= 6 {
-				for len(args) < 6 {
-					args = append(args, "0")
-				}
-			} else {
-				fmt.Fprintf(os.Stderr, "%s: too many arguments to system call\n", path)
-				os.Exit(1)
-			}
-
-			// Actual call.
-			arglist := strings.Join(args, ", ")
-			call := fmt.Sprintf("%s(uintptr(unsafe.Pointer(&%s)), %d, %s)", asm, sysvarname, nargs, arglist)
-
-			// Assign return values.
-			body := ""
-			ret := []string{"_", "_", "_"}
-			doErrno := false
-			for i := 0; i < len(out); i++ {
-				p := parseParam(out[i])
-				reg := ""
-				if p.Name == "err" {
-					reg = "e1"
-					ret[2] = reg
-					doErrno = true
-				} else {
-					reg = fmt.Sprintf("r%d", i)
-					ret[i] = reg
-				}
-				if p.Type == "bool" {
-					reg = fmt.Sprintf("%d != 0", reg)
-				}
-				if p.Type == "int64" && endianness != "" {
-					// 64-bit number in r1:r0 or r0:r1.
-					if i+2 > len(out) {
-						fmt.Fprintf(os.Stderr, "%s: not enough registers for int64 return\n", path)
-						os.Exit(1)
-					}
-					if endianness == "big-endian" {
-						reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i, i+1)
-					} else {
-						reg = fmt.Sprintf("int64(r%d)<<32 | int64(r%d)", i+1, i)
-					}
-					ret[i] = fmt.Sprintf("r%d", i)
-					ret[i+1] = fmt.Sprintf("r%d", i+1)
-				}
-				if reg != "e1" {
-					body += fmt.Sprintf("\t%s = %s(%s)\n", p.Name, p.Type, reg)
-				}
-			}
-			if ret[0] == "_" && ret[1] == "_" && ret[2] == "_" {
-				text += fmt.Sprintf("\t%s\n", call)
-			} else {
-				text += fmt.Sprintf("\t%s, %s, %s := %s\n", ret[0], ret[1], ret[2], call)
-			}
-			text += body
-
-			if doErrno {
-				text += "\tif e1 != 0 {\n"
-				text += "\t\terr = e1\n"
-				text += "\t}\n"
-			}
-			text += "\treturn\n"
-			text += "}\n"
-		}
-		if err := s.Err(); err != nil {
-			fmt.Fprintf(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		file.Close()
-	}
-	imp := ""
-	if pack != "unix" {
-		imp = "import \"golang.org/x/sys/unix\"\n"
-
-	}
-	vardecls := "\t" + strings.Join(vars, ",\n\t")
-	vardecls += " syscallFunc"
-	fmt.Printf(srcTemplate, cmdLine(), buildTags(), pack, imp, dynimports, linknames, vardecls, text)
-}
-
-const srcTemplate = `// %s
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build %s
-
-package %s
-
-import (
-	"syscall"
-	"unsafe"
-)
-%s
-%s
-%s
-var (
-%s	
-)
-
-%s
-`
diff --git a/vendor/golang.org/x/sys/unix/mksysctl_openbsd.go b/vendor/golang.org/x/sys/unix/mksysctl_openbsd.go
deleted file mode 100644
index b6b409909..000000000
--- a/vendor/golang.org/x/sys/unix/mksysctl_openbsd.go
+++ /dev/null
@@ -1,355 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// Parse the header files for OpenBSD and generate a Go usable sysctl MIB.
-//
-// Build a MIB with each entry being an array containing the level, type and
-// a hash that will contain additional entries if the current entry is a node.
-// We then walk this MIB and create a flattened sysctl name to OID hash.
-
-package main
-
-import (
-	"bufio"
-	"fmt"
-	"os"
-	"path/filepath"
-	"regexp"
-	"sort"
-	"strings"
-)
-
-var (
-	goos, goarch string
-)
-
-// cmdLine returns this programs's commandline arguments.
-func cmdLine() string {
-	return "go run mksysctl_openbsd.go " + strings.Join(os.Args[1:], " ")
-}
-
-// buildTags returns build tags.
-func buildTags() string {
-	return fmt.Sprintf("%s,%s", goarch, goos)
-}
-
-// reMatch performs regular expression match and stores the substring slice to value pointed by m.
-func reMatch(re *regexp.Regexp, str string, m *[]string) bool {
-	*m = re.FindStringSubmatch(str)
-	if *m != nil {
-		return true
-	}
-	return false
-}
-
-type nodeElement struct {
-	n  int
-	t  string
-	pE *map[string]nodeElement
-}
-
-var (
-	debugEnabled bool
-	mib          map[string]nodeElement
-	node         *map[string]nodeElement
-	nodeMap      map[string]string
-	sysCtl       []string
-)
-
-var (
-	ctlNames1RE = regexp.MustCompile(`^#define\s+(CTL_NAMES)\s+{`)
-	ctlNames2RE = regexp.MustCompile(`^#define\s+(CTL_(.*)_NAMES)\s+{`)
-	ctlNames3RE = regexp.MustCompile(`^#define\s+((.*)CTL_NAMES)\s+{`)
-	netInetRE   = regexp.MustCompile(`^netinet/`)
-	netInet6RE  = regexp.MustCompile(`^netinet6/`)
-	netRE       = regexp.MustCompile(`^net/`)
-	bracesRE    = regexp.MustCompile(`{.*}`)
-	ctlTypeRE   = regexp.MustCompile(`{\s+"(\w+)",\s+(CTLTYPE_[A-Z]+)\s+}`)
-	fsNetKernRE = regexp.MustCompile(`^(fs|net|kern)_`)
-)
-
-func debug(s string) {
-	if debugEnabled {
-		fmt.Fprintln(os.Stderr, s)
-	}
-}
-
-// Walk the MIB and build a sysctl name to OID mapping.
-func buildSysctl(pNode *map[string]nodeElement, name string, oid []int) {
-	lNode := pNode // local copy of pointer to node
-	var keys []string
-	for k := range *lNode {
-		keys = append(keys, k)
-	}
-	sort.Strings(keys)
-
-	for _, key := range keys {
-		nodename := name
-		if name != "" {
-			nodename += "."
-		}
-		nodename += key
-
-		nodeoid := append(oid, (*pNode)[key].n)
-
-		if (*pNode)[key].t == `CTLTYPE_NODE` {
-			if _, ok := nodeMap[nodename]; ok {
-				lNode = &mib
-				ctlName := nodeMap[nodename]
-				for _, part := range strings.Split(ctlName, ".") {
-					lNode = ((*lNode)[part]).pE
-				}
-			} else {
-				lNode = (*pNode)[key].pE
-			}
-			buildSysctl(lNode, nodename, nodeoid)
-		} else if (*pNode)[key].t != "" {
-			oidStr := []string{}
-			for j := range nodeoid {
-				oidStr = append(oidStr, fmt.Sprintf("%d", nodeoid[j]))
-			}
-			text := "\t{ \"" + nodename + "\", []_C_int{ " + strings.Join(oidStr, ", ") + " } }, \n"
-			sysCtl = append(sysCtl, text)
-		}
-	}
-}
-
-func main() {
-	// Get the OS (using GOOS_TARGET if it exist)
-	goos = os.Getenv("GOOS_TARGET")
-	if goos == "" {
-		goos = os.Getenv("GOOS")
-	}
-	// Get the architecture (using GOARCH_TARGET if it exists)
-	goarch = os.Getenv("GOARCH_TARGET")
-	if goarch == "" {
-		goarch = os.Getenv("GOARCH")
-	}
-	// Check if GOOS and GOARCH environment variables are defined
-	if goarch == "" || goos == "" {
-		fmt.Fprintf(os.Stderr, "GOARCH or GOOS not defined in environment\n")
-		os.Exit(1)
-	}
-
-	mib = make(map[string]nodeElement)
-	headers := [...]string{
-		`sys/sysctl.h`,
-		`sys/socket.h`,
-		`sys/tty.h`,
-		`sys/malloc.h`,
-		`sys/mount.h`,
-		`sys/namei.h`,
-		`sys/sem.h`,
-		`sys/shm.h`,
-		`sys/vmmeter.h`,
-		`uvm/uvmexp.h`,
-		`uvm/uvm_param.h`,
-		`uvm/uvm_swap_encrypt.h`,
-		`ddb/db_var.h`,
-		`net/if.h`,
-		`net/if_pfsync.h`,
-		`net/pipex.h`,
-		`netinet/in.h`,
-		`netinet/icmp_var.h`,
-		`netinet/igmp_var.h`,
-		`netinet/ip_ah.h`,
-		`netinet/ip_carp.h`,
-		`netinet/ip_divert.h`,
-		`netinet/ip_esp.h`,
-		`netinet/ip_ether.h`,
-		`netinet/ip_gre.h`,
-		`netinet/ip_ipcomp.h`,
-		`netinet/ip_ipip.h`,
-		`netinet/pim_var.h`,
-		`netinet/tcp_var.h`,
-		`netinet/udp_var.h`,
-		`netinet6/in6.h`,
-		`netinet6/ip6_divert.h`,
-		`netinet6/pim6_var.h`,
-		`netinet/icmp6.h`,
-		`netmpls/mpls.h`,
-	}
-
-	ctls := [...]string{
-		`kern`,
-		`vm`,
-		`fs`,
-		`net`,
-		//debug			/* Special handling required */
-		`hw`,
-		//machdep		/* Arch specific */
-		`user`,
-		`ddb`,
-		//vfs			/* Special handling required */
-		`fs.posix`,
-		`kern.forkstat`,
-		`kern.intrcnt`,
-		`kern.malloc`,
-		`kern.nchstats`,
-		`kern.seminfo`,
-		`kern.shminfo`,
-		`kern.timecounter`,
-		`kern.tty`,
-		`kern.watchdog`,
-		`net.bpf`,
-		`net.ifq`,
-		`net.inet`,
-		`net.inet.ah`,
-		`net.inet.carp`,
-		`net.inet.divert`,
-		`net.inet.esp`,
-		`net.inet.etherip`,
-		`net.inet.gre`,
-		`net.inet.icmp`,
-		`net.inet.igmp`,
-		`net.inet.ip`,
-		`net.inet.ip.ifq`,
-		`net.inet.ipcomp`,
-		`net.inet.ipip`,
-		`net.inet.mobileip`,
-		`net.inet.pfsync`,
-		`net.inet.pim`,
-		`net.inet.tcp`,
-		`net.inet.udp`,
-		`net.inet6`,
-		`net.inet6.divert`,
-		`net.inet6.ip6`,
-		`net.inet6.icmp6`,
-		`net.inet6.pim6`,
-		`net.inet6.tcp6`,
-		`net.inet6.udp6`,
-		`net.mpls`,
-		`net.mpls.ifq`,
-		`net.key`,
-		`net.pflow`,
-		`net.pfsync`,
-		`net.pipex`,
-		`net.rt`,
-		`vm.swapencrypt`,
-		//vfsgenctl		/* Special handling required */
-	}
-
-	// Node name "fixups"
-	ctlMap := map[string]string{
-		"ipproto":             "net.inet",
-		"net.inet.ipproto":    "net.inet",
-		"net.inet6.ipv6proto": "net.inet6",
-		"net.inet6.ipv6":      "net.inet6.ip6",
-		"net.inet.icmpv6":     "net.inet6.icmp6",
-		"net.inet6.divert6":   "net.inet6.divert",
-		"net.inet6.tcp6":      "net.inet.tcp",
-		"net.inet6.udp6":      "net.inet.udp",
-		"mpls":                "net.mpls",
-		"swpenc":              "vm.swapencrypt",
-	}
-
-	// Node mappings
-	nodeMap = map[string]string{
-		"net.inet.ip.ifq": "net.ifq",
-		"net.inet.pfsync": "net.pfsync",
-		"net.mpls.ifq":    "net.ifq",
-	}
-
-	mCtls := make(map[string]bool)
-	for _, ctl := range ctls {
-		mCtls[ctl] = true
-	}
-
-	for _, header := range headers {
-		debug("Processing " + header)
-		file, err := os.Open(filepath.Join("/usr/include", header))
-		if err != nil {
-			fmt.Fprintf(os.Stderr, "%v\n", err)
-			os.Exit(1)
-		}
-		s := bufio.NewScanner(file)
-		for s.Scan() {
-			var sub []string
-			if reMatch(ctlNames1RE, s.Text(), &sub) ||
-				reMatch(ctlNames2RE, s.Text(), &sub) ||
-				reMatch(ctlNames3RE, s.Text(), &sub) {
-				if sub[1] == `CTL_NAMES` {
-					// Top level.
-					node = &mib
-				} else {
-					// Node.
-					nodename := strings.ToLower(sub[2])
-					ctlName := ""
-					if reMatch(netInetRE, header, &sub) {
-						ctlName = "net.inet." + nodename
-					} else if reMatch(netInet6RE, header, &sub) {
-						ctlName = "net.inet6." + nodename
-					} else if reMatch(netRE, header, &sub) {
-						ctlName = "net." + nodename
-					} else {
-						ctlName = nodename
-						ctlName = fsNetKernRE.ReplaceAllString(ctlName, `$1.`)
-					}
-
-					if val, ok := ctlMap[ctlName]; ok {
-						ctlName = val
-					}
-					if _, ok := mCtls[ctlName]; !ok {
-						debug("Ignoring " + ctlName + "...")
-						continue
-					}
-
-					// Walk down from the top of the MIB.
-					node = &mib
-					for _, part := range strings.Split(ctlName, ".") {
-						if _, ok := (*node)[part]; !ok {
-							debug("Missing node " + part)
-							(*node)[part] = nodeElement{n: 0, t: "", pE: &map[string]nodeElement{}}
-						}
-						node = (*node)[part].pE
-					}
-				}
-
-				// Populate current node with entries.
-				i := -1
-				for !strings.HasPrefix(s.Text(), "}") {
-					s.Scan()
-					if reMatch(bracesRE, s.Text(), &sub) {
-						i++
-					}
-					if !reMatch(ctlTypeRE, s.Text(), &sub) {
-						continue
-					}
-					(*node)[sub[1]] = nodeElement{n: i, t: sub[2], pE: &map[string]nodeElement{}}
-				}
-			}
-		}
-		err = s.Err()
-		if err != nil {
-			fmt.Fprintf(os.Stderr, "%v\n", err)
-			os.Exit(1)
-		}
-		file.Close()
-	}
-	buildSysctl(&mib, "", []int{})
-
-	sort.Strings(sysCtl)
-	text := strings.Join(sysCtl, "")
-
-	fmt.Printf(srcTemplate, cmdLine(), buildTags(), text)
-}
-
-const srcTemplate = `// %s
-// Code generated by the command above; DO NOT EDIT.
-
-// +build %s
-
-package unix
-
-type mibentry struct {
-	ctlname string
-	ctloid []_C_int
-}
-
-var sysctlMib = []mibentry {
-%s
-}
-`
diff --git a/vendor/golang.org/x/sys/unix/mksysnum.go b/vendor/golang.org/x/sys/unix/mksysnum.go
deleted file mode 100644
index baa6ecd85..000000000
--- a/vendor/golang.org/x/sys/unix/mksysnum.go
+++ /dev/null
@@ -1,190 +0,0 @@
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// Generate system call table for DragonFly, NetBSD,
-// FreeBSD, OpenBSD or Darwin from master list
-// (for example, /usr/src/sys/kern/syscalls.master or
-// sys/syscall.h).
-package main
-
-import (
-	"bufio"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"net/http"
-	"os"
-	"regexp"
-	"strings"
-)
-
-var (
-	goos, goarch string
-)
-
-// cmdLine returns this programs's commandline arguments
-func cmdLine() string {
-	return "go run mksysnum.go " + strings.Join(os.Args[1:], " ")
-}
-
-// buildTags returns build tags
-func buildTags() string {
-	return fmt.Sprintf("%s,%s", goarch, goos)
-}
-
-func checkErr(err error) {
-	if err != nil {
-		fmt.Fprintf(os.Stderr, "%v\n", err)
-		os.Exit(1)
-	}
-}
-
-// source string and substring slice for regexp
-type re struct {
-	str string   // source string
-	sub []string // matched sub-string
-}
-
-// Match performs regular expression match
-func (r *re) Match(exp string) bool {
-	r.sub = regexp.MustCompile(exp).FindStringSubmatch(r.str)
-	if r.sub != nil {
-		return true
-	}
-	return false
-}
-
-// fetchFile fetches a text file from URL
-func fetchFile(URL string) io.Reader {
-	resp, err := http.Get(URL)
-	checkErr(err)
-	defer resp.Body.Close()
-	body, err := ioutil.ReadAll(resp.Body)
-	checkErr(err)
-	return strings.NewReader(string(body))
-}
-
-// readFile reads a text file from path
-func readFile(path string) io.Reader {
-	file, err := os.Open(os.Args[1])
-	checkErr(err)
-	return file
-}
-
-func format(name, num, proto string) string {
-	name = strings.ToUpper(name)
-	// There are multiple entries for enosys and nosys, so comment them out.
-	nm := re{str: name}
-	if nm.Match(`^SYS_E?NOSYS$`) {
-		name = fmt.Sprintf("// %s", name)
-	}
-	if name == `SYS_SYS_EXIT` {
-		name = `SYS_EXIT`
-	}
-	return fmt.Sprintf("	%s = %s;  // %s\n", name, num, proto)
-}
-
-func main() {
-	// Get the OS (using GOOS_TARGET if it exist)
-	goos = os.Getenv("GOOS_TARGET")
-	if goos == "" {
-		goos = os.Getenv("GOOS")
-	}
-	// Get the architecture (using GOARCH_TARGET if it exists)
-	goarch = os.Getenv("GOARCH_TARGET")
-	if goarch == "" {
-		goarch = os.Getenv("GOARCH")
-	}
-	// Check if GOOS and GOARCH environment variables are defined
-	if goarch == "" || goos == "" {
-		fmt.Fprintf(os.Stderr, "GOARCH or GOOS not defined in environment\n")
-		os.Exit(1)
-	}
-
-	file := strings.TrimSpace(os.Args[1])
-	var syscalls io.Reader
-	if strings.HasPrefix(file, "https://") || strings.HasPrefix(file, "http://") {
-		// Download syscalls.master file
-		syscalls = fetchFile(file)
-	} else {
-		syscalls = readFile(file)
-	}
-
-	var text, line string
-	s := bufio.NewScanner(syscalls)
-	for s.Scan() {
-		t := re{str: line}
-		if t.Match(`^(.*)\\$`) {
-			// Handle continuation
-			line = t.sub[1]
-			line += strings.TrimLeft(s.Text(), " \t")
-		} else {
-			// New line
-			line = s.Text()
-		}
-		t = re{str: line}
-		if t.Match(`\\$`) {
-			continue
-		}
-		t = re{str: line}
-
-		switch goos {
-		case "dragonfly":
-			if t.Match(`^([0-9]+)\s+STD\s+({ \S+\s+(\w+).*)$`) {
-				num, proto := t.sub[1], t.sub[2]
-				name := fmt.Sprintf("SYS_%s", t.sub[3])
-				text += format(name, num, proto)
-			}
-		case "freebsd":
-			if t.Match(`^([0-9]+)\s+\S+\s+(?:(?:NO)?STD|COMPAT10)\s+({ \S+\s+(\w+).*)$`) {
-				num, proto := t.sub[1], t.sub[2]
-				name := fmt.Sprintf("SYS_%s", t.sub[3])
-				text += format(name, num, proto)
-			}
-		case "openbsd":
-			if t.Match(`^([0-9]+)\s+STD\s+(NOLOCK\s+)?({ \S+\s+\*?(\w+).*)$`) {
-				num, proto, name := t.sub[1], t.sub[3], t.sub[4]
-				text += format(name, num, proto)
-			}
-		case "netbsd":
-			if t.Match(`^([0-9]+)\s+((STD)|(NOERR))\s+(RUMP\s+)?({\s+\S+\s*\*?\s*\|(\S+)\|(\S*)\|(\w+).*\s+})(\s+(\S+))?$`) {
-				num, proto, compat := t.sub[1], t.sub[6], t.sub[8]
-				name := t.sub[7] + "_" + t.sub[9]
-				if t.sub[11] != "" {
-					name = t.sub[7] + "_" + t.sub[11]
-				}
-				name = strings.ToUpper(name)
-				if compat == "" || compat == "13" || compat == "30" || compat == "50" {
-					text += fmt.Sprintf("	%s = %s;  // %s\n", name, num, proto)
-				}
-			}
-		case "darwin":
-			if t.Match(`^#define\s+SYS_(\w+)\s+([0-9]+)`) {
-				name, num := t.sub[1], t.sub[2]
-				name = strings.ToUpper(name)
-				text += fmt.Sprintf("	SYS_%s = %s;\n", name, num)
-			}
-		default:
-			fmt.Fprintf(os.Stderr, "unrecognized GOOS=%s\n", goos)
-			os.Exit(1)
-
-		}
-	}
-	err := s.Err()
-	checkErr(err)
-
-	fmt.Printf(template, cmdLine(), buildTags(), text)
-}
-
-const template = `// %s
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build %s
-
-package unix
-
-const(
-%s)`
diff --git a/vendor/golang.org/x/sys/unix/types_aix.go b/vendor/golang.org/x/sys/unix/types_aix.go
deleted file mode 100644
index 40d2beede..000000000
--- a/vendor/golang.org/x/sys/unix/types_aix.go
+++ /dev/null
@@ -1,237 +0,0 @@
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-// +build aix
-
-/*
-Input to cgo -godefs.  See also mkerrors.sh and mkall.sh
-*/
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package unix
-
-/*
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/limits.h>
-#include <sys/un.h>
-#include <utime.h>
-#include <sys/utsname.h>
-#include <sys/poll.h>
-#include <sys/resource.h>
-#include <sys/stat.h>
-#include <sys/statfs.h>
-#include <sys/termio.h>
-#include <sys/ioctl.h>
-
-#include <termios.h>
-
-#include <net/if.h>
-#include <net/if_dl.h>
-#include <netinet/in.h>
-#include <netinet/icmp6.h>
-
-
-#include <dirent.h>
-#include <fcntl.h>
-
-enum {
-	sizeofPtr = sizeof(void*),
-};
-
-union sockaddr_all {
-	struct sockaddr s1;     // this one gets used for fields
-	struct sockaddr_in s2;  // these pad it out
-	struct sockaddr_in6 s3;
-	struct sockaddr_un s4;
-	struct sockaddr_dl s5;
-};
-
-struct sockaddr_any {
-	struct sockaddr addr;
-	char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
-};
-
-*/
-import "C"
-
-// Machine characteristics
-
-const (
-	SizeofPtr      = C.sizeofPtr
-	SizeofShort    = C.sizeof_short
-	SizeofInt      = C.sizeof_int
-	SizeofLong     = C.sizeof_long
-	SizeofLongLong = C.sizeof_longlong
-	PathMax        = C.PATH_MAX
-)
-
-// Basic types
-
-type (
-	_C_short     C.short
-	_C_int       C.int
-	_C_long      C.long
-	_C_long_long C.longlong
-)
-
-type off64 C.off64_t
-type off C.off_t
-type Mode_t C.mode_t
-
-// Time
-
-type Timespec C.struct_timespec
-
-type Timeval C.struct_timeval
-
-type Timeval32 C.struct_timeval32
-
-type Timex C.struct_timex
-
-type Time_t C.time_t
-
-type Tms C.struct_tms
-
-type Utimbuf C.struct_utimbuf
-
-type Timezone C.struct_timezone
-
-// Processes
-
-type Rusage C.struct_rusage
-
-type Rlimit C.struct_rlimit64
-
-type Pid_t C.pid_t
-
-type _Gid_t C.gid_t
-
-type dev_t C.dev_t
-
-// Files
-
-type Stat_t C.struct_stat
-
-type StatxTimestamp C.struct_statx_timestamp
-
-type Statx_t C.struct_statx
-
-type Dirent C.struct_dirent
-
-// Sockets
-
-type RawSockaddrInet4 C.struct_sockaddr_in
-
-type RawSockaddrInet6 C.struct_sockaddr_in6
-
-type RawSockaddrUnix C.struct_sockaddr_un
-
-type RawSockaddrDatalink C.struct_sockaddr_dl
-
-type RawSockaddr C.struct_sockaddr
-
-type RawSockaddrAny C.struct_sockaddr_any
-
-type _Socklen C.socklen_t
-
-type Cmsghdr C.struct_cmsghdr
-
-type ICMPv6Filter C.struct_icmp6_filter
-
-type Iovec C.struct_iovec
-
-type IPMreq C.struct_ip_mreq
-
-type IPv6Mreq C.struct_ipv6_mreq
-
-type IPv6MTUInfo C.struct_ip6_mtuinfo
-
-type Linger C.struct_linger
-
-type Msghdr C.struct_msghdr
-
-const (
-	SizeofSockaddrInet4    = C.sizeof_struct_sockaddr_in
-	SizeofSockaddrInet6    = C.sizeof_struct_sockaddr_in6
-	SizeofSockaddrAny      = C.sizeof_struct_sockaddr_any
-	SizeofSockaddrUnix     = C.sizeof_struct_sockaddr_un
-	SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl
-	SizeofLinger           = C.sizeof_struct_linger
-	SizeofIPMreq           = C.sizeof_struct_ip_mreq
-	SizeofIPv6Mreq         = C.sizeof_struct_ipv6_mreq
-	SizeofIPv6MTUInfo      = C.sizeof_struct_ip6_mtuinfo
-	SizeofMsghdr           = C.sizeof_struct_msghdr
-	SizeofCmsghdr          = C.sizeof_struct_cmsghdr
-	SizeofICMPv6Filter     = C.sizeof_struct_icmp6_filter
-)
-
-// Routing and interface messages
-
-const (
-	SizeofIfMsghdr = C.sizeof_struct_if_msghdr
-)
-
-type IfMsgHdr C.struct_if_msghdr
-
-// Misc
-
-type FdSet C.fd_set
-
-type Utsname C.struct_utsname
-
-type Ustat_t C.struct_ustat
-
-type Sigset_t C.sigset_t
-
-const (
-	AT_FDCWD            = C.AT_FDCWD
-	AT_REMOVEDIR        = C.AT_REMOVEDIR
-	AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
-)
-
-// Terminal handling
-
-type Termios C.struct_termios
-
-type Termio C.struct_termio
-
-type Winsize C.struct_winsize
-
-//poll
-
-type PollFd struct {
-	Fd      int32
-	Events  uint16
-	Revents uint16
-}
-
-const (
-	POLLERR    = C.POLLERR
-	POLLHUP    = C.POLLHUP
-	POLLIN     = C.POLLIN
-	POLLNVAL   = C.POLLNVAL
-	POLLOUT    = C.POLLOUT
-	POLLPRI    = C.POLLPRI
-	POLLRDBAND = C.POLLRDBAND
-	POLLRDNORM = C.POLLRDNORM
-	POLLWRBAND = C.POLLWRBAND
-	POLLWRNORM = C.POLLWRNORM
-)
-
-//flock_t
-
-type Flock_t C.struct_flock64
-
-// Statfs
-
-type Fsid_t C.struct_fsid_t
-type Fsid64_t C.struct_fsid64_t
-
-type Statfs_t C.struct_statfs
-
-const RNDGETENTCNT = 0x80045200
diff --git a/vendor/golang.org/x/sys/unix/types_darwin.go b/vendor/golang.org/x/sys/unix/types_darwin.go
deleted file mode 100644
index 155c2e692..000000000
--- a/vendor/golang.org/x/sys/unix/types_darwin.go
+++ /dev/null
@@ -1,283 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-/*
-Input to cgo -godefs.  See README.md
-*/
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package unix
-
-/*
-#define __DARWIN_UNIX03 0
-#define KERNEL
-#define _DARWIN_USE_64_BIT_INODE
-#include <dirent.h>
-#include <fcntl.h>
-#include <poll.h>
-#include <signal.h>
-#include <termios.h>
-#include <unistd.h>
-#include <mach/mach.h>
-#include <mach/message.h>
-#include <sys/event.h>
-#include <sys/mman.h>
-#include <sys/mount.h>
-#include <sys/param.h>
-#include <sys/ptrace.h>
-#include <sys/resource.h>
-#include <sys/select.h>
-#include <sys/signal.h>
-#include <sys/socket.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/uio.h>
-#include <sys/un.h>
-#include <sys/utsname.h>
-#include <sys/wait.h>
-#include <net/bpf.h>
-#include <net/if.h>
-#include <net/if_dl.h>
-#include <net/if_var.h>
-#include <net/route.h>
-#include <netinet/in.h>
-#include <netinet/icmp6.h>
-#include <netinet/tcp.h>
-
-enum {
-	sizeofPtr = sizeof(void*),
-};
-
-union sockaddr_all {
-	struct sockaddr s1;	// this one gets used for fields
-	struct sockaddr_in s2;	// these pad it out
-	struct sockaddr_in6 s3;
-	struct sockaddr_un s4;
-	struct sockaddr_dl s5;
-};
-
-struct sockaddr_any {
-	struct sockaddr addr;
-	char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
-};
-
-*/
-import "C"
-
-// Machine characteristics
-
-const (
-	SizeofPtr      = C.sizeofPtr
-	SizeofShort    = C.sizeof_short
-	SizeofInt      = C.sizeof_int
-	SizeofLong     = C.sizeof_long
-	SizeofLongLong = C.sizeof_longlong
-)
-
-// Basic types
-
-type (
-	_C_short     C.short
-	_C_int       C.int
-	_C_long      C.long
-	_C_long_long C.longlong
-)
-
-// Time
-
-type Timespec C.struct_timespec
-
-type Timeval C.struct_timeval
-
-type Timeval32 C.struct_timeval32
-
-// Processes
-
-type Rusage C.struct_rusage
-
-type Rlimit C.struct_rlimit
-
-type _Gid_t C.gid_t
-
-// Files
-
-type Stat_t C.struct_stat64
-
-type Statfs_t C.struct_statfs64
-
-type Flock_t C.struct_flock
-
-type Fstore_t C.struct_fstore
-
-type Radvisory_t C.struct_radvisory
-
-type Fbootstraptransfer_t C.struct_fbootstraptransfer
-
-type Log2phys_t C.struct_log2phys
-
-type Fsid C.struct_fsid
-
-type Dirent C.struct_dirent
-
-// Sockets
-
-type RawSockaddrInet4 C.struct_sockaddr_in
-
-type RawSockaddrInet6 C.struct_sockaddr_in6
-
-type RawSockaddrUnix C.struct_sockaddr_un
-
-type RawSockaddrDatalink C.struct_sockaddr_dl
-
-type RawSockaddr C.struct_sockaddr
-
-type RawSockaddrAny C.struct_sockaddr_any
-
-type _Socklen C.socklen_t
-
-type Linger C.struct_linger
-
-type Iovec C.struct_iovec
-
-type IPMreq C.struct_ip_mreq
-
-type IPv6Mreq C.struct_ipv6_mreq
-
-type Msghdr C.struct_msghdr
-
-type Cmsghdr C.struct_cmsghdr
-
-type Inet4Pktinfo C.struct_in_pktinfo
-
-type Inet6Pktinfo C.struct_in6_pktinfo
-
-type IPv6MTUInfo C.struct_ip6_mtuinfo
-
-type ICMPv6Filter C.struct_icmp6_filter
-
-const (
-	SizeofSockaddrInet4    = C.sizeof_struct_sockaddr_in
-	SizeofSockaddrInet6    = C.sizeof_struct_sockaddr_in6
-	SizeofSockaddrAny      = C.sizeof_struct_sockaddr_any
-	SizeofSockaddrUnix     = C.sizeof_struct_sockaddr_un
-	SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl
-	SizeofLinger           = C.sizeof_struct_linger
-	SizeofIPMreq           = C.sizeof_struct_ip_mreq
-	SizeofIPv6Mreq         = C.sizeof_struct_ipv6_mreq
-	SizeofMsghdr           = C.sizeof_struct_msghdr
-	SizeofCmsghdr          = C.sizeof_struct_cmsghdr
-	SizeofInet4Pktinfo     = C.sizeof_struct_in_pktinfo
-	SizeofInet6Pktinfo     = C.sizeof_struct_in6_pktinfo
-	SizeofIPv6MTUInfo      = C.sizeof_struct_ip6_mtuinfo
-	SizeofICMPv6Filter     = C.sizeof_struct_icmp6_filter
-)
-
-// Ptrace requests
-
-const (
-	PTRACE_TRACEME = C.PT_TRACE_ME
-	PTRACE_CONT    = C.PT_CONTINUE
-	PTRACE_KILL    = C.PT_KILL
-)
-
-// Events (kqueue, kevent)
-
-type Kevent_t C.struct_kevent
-
-// Select
-
-type FdSet C.fd_set
-
-// Routing and interface messages
-
-const (
-	SizeofIfMsghdr    = C.sizeof_struct_if_msghdr
-	SizeofIfData      = C.sizeof_struct_if_data
-	SizeofIfaMsghdr   = C.sizeof_struct_ifa_msghdr
-	SizeofIfmaMsghdr  = C.sizeof_struct_ifma_msghdr
-	SizeofIfmaMsghdr2 = C.sizeof_struct_ifma_msghdr2
-	SizeofRtMsghdr    = C.sizeof_struct_rt_msghdr
-	SizeofRtMetrics   = C.sizeof_struct_rt_metrics
-)
-
-type IfMsghdr C.struct_if_msghdr
-
-type IfData C.struct_if_data
-
-type IfaMsghdr C.struct_ifa_msghdr
-
-type IfmaMsghdr C.struct_ifma_msghdr
-
-type IfmaMsghdr2 C.struct_ifma_msghdr2
-
-type RtMsghdr C.struct_rt_msghdr
-
-type RtMetrics C.struct_rt_metrics
-
-// Berkeley packet filter
-
-const (
-	SizeofBpfVersion = C.sizeof_struct_bpf_version
-	SizeofBpfStat    = C.sizeof_struct_bpf_stat
-	SizeofBpfProgram = C.sizeof_struct_bpf_program
-	SizeofBpfInsn    = C.sizeof_struct_bpf_insn
-	SizeofBpfHdr     = C.sizeof_struct_bpf_hdr
-)
-
-type BpfVersion C.struct_bpf_version
-
-type BpfStat C.struct_bpf_stat
-
-type BpfProgram C.struct_bpf_program
-
-type BpfInsn C.struct_bpf_insn
-
-type BpfHdr C.struct_bpf_hdr
-
-// Terminal handling
-
-type Termios C.struct_termios
-
-type Winsize C.struct_winsize
-
-// fchmodat-like syscalls.
-
-const (
-	AT_FDCWD            = C.AT_FDCWD
-	AT_REMOVEDIR        = C.AT_REMOVEDIR
-	AT_SYMLINK_FOLLOW   = C.AT_SYMLINK_FOLLOW
-	AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
-)
-
-// poll
-
-type PollFd C.struct_pollfd
-
-const (
-	POLLERR    = C.POLLERR
-	POLLHUP    = C.POLLHUP
-	POLLIN     = C.POLLIN
-	POLLNVAL   = C.POLLNVAL
-	POLLOUT    = C.POLLOUT
-	POLLPRI    = C.POLLPRI
-	POLLRDBAND = C.POLLRDBAND
-	POLLRDNORM = C.POLLRDNORM
-	POLLWRBAND = C.POLLWRBAND
-	POLLWRNORM = C.POLLWRNORM
-)
-
-// uname
-
-type Utsname C.struct_utsname
-
-// Clockinfo
-
-const SizeofClockinfo = C.sizeof_struct_clockinfo
-
-type Clockinfo C.struct_clockinfo
diff --git a/vendor/golang.org/x/sys/unix/types_dragonfly.go b/vendor/golang.org/x/sys/unix/types_dragonfly.go
deleted file mode 100644
index 3365dd79d..000000000
--- a/vendor/golang.org/x/sys/unix/types_dragonfly.go
+++ /dev/null
@@ -1,263 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-/*
-Input to cgo -godefs.  See README.md
-*/
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package unix
-
-/*
-#define KERNEL
-#include <dirent.h>
-#include <fcntl.h>
-#include <poll.h>
-#include <signal.h>
-#include <termios.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <sys/event.h>
-#include <sys/mman.h>
-#include <sys/mount.h>
-#include <sys/param.h>
-#include <sys/ptrace.h>
-#include <sys/resource.h>
-#include <sys/select.h>
-#include <sys/signal.h>
-#include <sys/socket.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/un.h>
-#include <sys/utsname.h>
-#include <sys/wait.h>
-#include <net/bpf.h>
-#include <net/if.h>
-#include <net/if_dl.h>
-#include <net/route.h>
-#include <netinet/in.h>
-#include <netinet/icmp6.h>
-#include <netinet/tcp.h>
-
-enum {
-	sizeofPtr = sizeof(void*),
-};
-
-union sockaddr_all {
-	struct sockaddr s1;	// this one gets used for fields
-	struct sockaddr_in s2;	// these pad it out
-	struct sockaddr_in6 s3;
-	struct sockaddr_un s4;
-	struct sockaddr_dl s5;
-};
-
-struct sockaddr_any {
-	struct sockaddr addr;
-	char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
-};
-
-*/
-import "C"
-
-// Machine characteristics
-
-const (
-	SizeofPtr      = C.sizeofPtr
-	SizeofShort    = C.sizeof_short
-	SizeofInt      = C.sizeof_int
-	SizeofLong     = C.sizeof_long
-	SizeofLongLong = C.sizeof_longlong
-)
-
-// Basic types
-
-type (
-	_C_short     C.short
-	_C_int       C.int
-	_C_long      C.long
-	_C_long_long C.longlong
-)
-
-// Time
-
-type Timespec C.struct_timespec
-
-type Timeval C.struct_timeval
-
-// Processes
-
-type Rusage C.struct_rusage
-
-type Rlimit C.struct_rlimit
-
-type _Gid_t C.gid_t
-
-// Files
-
-type Stat_t C.struct_stat
-
-type Statfs_t C.struct_statfs
-
-type Flock_t C.struct_flock
-
-type Dirent C.struct_dirent
-
-type Fsid C.struct_fsid
-
-// File system limits
-
-const (
-	PathMax = C.PATH_MAX
-)
-
-// Sockets
-
-type RawSockaddrInet4 C.struct_sockaddr_in
-
-type RawSockaddrInet6 C.struct_sockaddr_in6
-
-type RawSockaddrUnix C.struct_sockaddr_un
-
-type RawSockaddrDatalink C.struct_sockaddr_dl
-
-type RawSockaddr C.struct_sockaddr
-
-type RawSockaddrAny C.struct_sockaddr_any
-
-type _Socklen C.socklen_t
-
-type Linger C.struct_linger
-
-type Iovec C.struct_iovec
-
-type IPMreq C.struct_ip_mreq
-
-type IPv6Mreq C.struct_ipv6_mreq
-
-type Msghdr C.struct_msghdr
-
-type Cmsghdr C.struct_cmsghdr
-
-type Inet6Pktinfo C.struct_in6_pktinfo
-
-type IPv6MTUInfo C.struct_ip6_mtuinfo
-
-type ICMPv6Filter C.struct_icmp6_filter
-
-const (
-	SizeofSockaddrInet4    = C.sizeof_struct_sockaddr_in
-	SizeofSockaddrInet6    = C.sizeof_struct_sockaddr_in6
-	SizeofSockaddrAny      = C.sizeof_struct_sockaddr_any
-	SizeofSockaddrUnix     = C.sizeof_struct_sockaddr_un
-	SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl
-	SizeofLinger           = C.sizeof_struct_linger
-	SizeofIPMreq           = C.sizeof_struct_ip_mreq
-	SizeofIPv6Mreq         = C.sizeof_struct_ipv6_mreq
-	SizeofMsghdr           = C.sizeof_struct_msghdr
-	SizeofCmsghdr          = C.sizeof_struct_cmsghdr
-	SizeofInet6Pktinfo     = C.sizeof_struct_in6_pktinfo
-	SizeofIPv6MTUInfo      = C.sizeof_struct_ip6_mtuinfo
-	SizeofICMPv6Filter     = C.sizeof_struct_icmp6_filter
-)
-
-// Ptrace requests
-
-const (
-	PTRACE_TRACEME = C.PT_TRACE_ME
-	PTRACE_CONT    = C.PT_CONTINUE
-	PTRACE_KILL    = C.PT_KILL
-)
-
-// Events (kqueue, kevent)
-
-type Kevent_t C.struct_kevent
-
-// Select
-
-type FdSet C.fd_set
-
-// Routing and interface messages
-
-const (
-	SizeofIfMsghdr         = C.sizeof_struct_if_msghdr
-	SizeofIfData           = C.sizeof_struct_if_data
-	SizeofIfaMsghdr        = C.sizeof_struct_ifa_msghdr
-	SizeofIfmaMsghdr       = C.sizeof_struct_ifma_msghdr
-	SizeofIfAnnounceMsghdr = C.sizeof_struct_if_announcemsghdr
-	SizeofRtMsghdr         = C.sizeof_struct_rt_msghdr
-	SizeofRtMetrics        = C.sizeof_struct_rt_metrics
-)
-
-type IfMsghdr C.struct_if_msghdr
-
-type IfData C.struct_if_data
-
-type IfaMsghdr C.struct_ifa_msghdr
-
-type IfmaMsghdr C.struct_ifma_msghdr
-
-type IfAnnounceMsghdr C.struct_if_announcemsghdr
-
-type RtMsghdr C.struct_rt_msghdr
-
-type RtMetrics C.struct_rt_metrics
-
-// Berkeley packet filter
-
-const (
-	SizeofBpfVersion = C.sizeof_struct_bpf_version
-	SizeofBpfStat    = C.sizeof_struct_bpf_stat
-	SizeofBpfProgram = C.sizeof_struct_bpf_program
-	SizeofBpfInsn    = C.sizeof_struct_bpf_insn
-	SizeofBpfHdr     = C.sizeof_struct_bpf_hdr
-)
-
-type BpfVersion C.struct_bpf_version
-
-type BpfStat C.struct_bpf_stat
-
-type BpfProgram C.struct_bpf_program
-
-type BpfInsn C.struct_bpf_insn
-
-type BpfHdr C.struct_bpf_hdr
-
-// Terminal handling
-
-type Termios C.struct_termios
-
-type Winsize C.struct_winsize
-
-// fchmodat-like syscalls.
-
-const (
-	AT_FDCWD            = C.AT_FDCWD
-	AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
-)
-
-// poll
-
-type PollFd C.struct_pollfd
-
-const (
-	POLLERR    = C.POLLERR
-	POLLHUP    = C.POLLHUP
-	POLLIN     = C.POLLIN
-	POLLNVAL   = C.POLLNVAL
-	POLLOUT    = C.POLLOUT
-	POLLPRI    = C.POLLPRI
-	POLLRDBAND = C.POLLRDBAND
-	POLLRDNORM = C.POLLRDNORM
-	POLLWRBAND = C.POLLWRBAND
-	POLLWRNORM = C.POLLWRNORM
-)
-
-// Uname
-
-type Utsname C.struct_utsname
diff --git a/vendor/golang.org/x/sys/unix/types_freebsd.go b/vendor/golang.org/x/sys/unix/types_freebsd.go
deleted file mode 100644
index a121dc336..000000000
--- a/vendor/golang.org/x/sys/unix/types_freebsd.go
+++ /dev/null
@@ -1,400 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-/*
-Input to cgo -godefs.  See README.md
-*/
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package unix
-
-/*
-#define	_WANT_FREEBSD11_STAT	1
-#define	_WANT_FREEBSD11_STATFS	1
-#define	_WANT_FREEBSD11_DIRENT	1
-#define	_WANT_FREEBSD11_KEVENT  1
-
-#include <dirent.h>
-#include <fcntl.h>
-#include <poll.h>
-#include <signal.h>
-#include <termios.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <sys/capsicum.h>
-#include <sys/event.h>
-#include <sys/mman.h>
-#include <sys/mount.h>
-#include <sys/param.h>
-#include <sys/ptrace.h>
-#include <sys/resource.h>
-#include <sys/select.h>
-#include <sys/signal.h>
-#include <sys/socket.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/un.h>
-#include <sys/utsname.h>
-#include <sys/wait.h>
-#include <net/bpf.h>
-#include <net/if.h>
-#include <net/if_dl.h>
-#include <net/route.h>
-#include <netinet/in.h>
-#include <netinet/icmp6.h>
-#include <netinet/tcp.h>
-
-enum {
-	sizeofPtr = sizeof(void*),
-};
-
-union sockaddr_all {
-	struct sockaddr s1;	// this one gets used for fields
-	struct sockaddr_in s2;	// these pad it out
-	struct sockaddr_in6 s3;
-	struct sockaddr_un s4;
-	struct sockaddr_dl s5;
-};
-
-struct sockaddr_any {
-	struct sockaddr addr;
-	char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
-};
-
-// This structure is a duplicate of if_data on FreeBSD 8-STABLE.
-// See /usr/include/net/if.h.
-struct if_data8 {
-	u_char  ifi_type;
-	u_char  ifi_physical;
-	u_char  ifi_addrlen;
-	u_char  ifi_hdrlen;
-	u_char  ifi_link_state;
-	u_char  ifi_spare_char1;
-	u_char  ifi_spare_char2;
-	u_char  ifi_datalen;
-	u_long  ifi_mtu;
-	u_long  ifi_metric;
-	u_long  ifi_baudrate;
-	u_long  ifi_ipackets;
-	u_long  ifi_ierrors;
-	u_long  ifi_opackets;
-	u_long  ifi_oerrors;
-	u_long  ifi_collisions;
-	u_long  ifi_ibytes;
-	u_long  ifi_obytes;
-	u_long  ifi_imcasts;
-	u_long  ifi_omcasts;
-	u_long  ifi_iqdrops;
-	u_long  ifi_noproto;
-	u_long  ifi_hwassist;
-// FIXME: these are now unions, so maybe need to change definitions?
-#undef ifi_epoch
-	time_t  ifi_epoch;
-#undef ifi_lastchange
-	struct  timeval ifi_lastchange;
-};
-
-// This structure is a duplicate of if_msghdr on FreeBSD 8-STABLE.
-// See /usr/include/net/if.h.
-struct if_msghdr8 {
-	u_short ifm_msglen;
-	u_char  ifm_version;
-	u_char  ifm_type;
-	int     ifm_addrs;
-	int     ifm_flags;
-	u_short ifm_index;
-	struct  if_data8 ifm_data;
-};
-*/
-import "C"
-
-// Machine characteristics
-
-const (
-	SizeofPtr      = C.sizeofPtr
-	SizeofShort    = C.sizeof_short
-	SizeofInt      = C.sizeof_int
-	SizeofLong     = C.sizeof_long
-	SizeofLongLong = C.sizeof_longlong
-)
-
-// Basic types
-
-type (
-	_C_short     C.short
-	_C_int       C.int
-	_C_long      C.long
-	_C_long_long C.longlong
-)
-
-// Time
-
-type Timespec C.struct_timespec
-
-type Timeval C.struct_timeval
-
-// Processes
-
-type Rusage C.struct_rusage
-
-type Rlimit C.struct_rlimit
-
-type _Gid_t C.gid_t
-
-// Files
-
-const (
-	_statfsVersion = C.STATFS_VERSION
-	_dirblksiz     = C.DIRBLKSIZ
-)
-
-type Stat_t C.struct_stat
-
-type stat_freebsd11_t C.struct_freebsd11_stat
-
-type Statfs_t C.struct_statfs
-
-type statfs_freebsd11_t C.struct_freebsd11_statfs
-
-type Flock_t C.struct_flock
-
-type Dirent C.struct_dirent
-
-type dirent_freebsd11 C.struct_freebsd11_dirent
-
-type Fsid C.struct_fsid
-
-// File system limits
-
-const (
-	PathMax = C.PATH_MAX
-)
-
-// Advice to Fadvise
-
-const (
-	FADV_NORMAL     = C.POSIX_FADV_NORMAL
-	FADV_RANDOM     = C.POSIX_FADV_RANDOM
-	FADV_SEQUENTIAL = C.POSIX_FADV_SEQUENTIAL
-	FADV_WILLNEED   = C.POSIX_FADV_WILLNEED
-	FADV_DONTNEED   = C.POSIX_FADV_DONTNEED
-	FADV_NOREUSE    = C.POSIX_FADV_NOREUSE
-)
-
-// Sockets
-
-type RawSockaddrInet4 C.struct_sockaddr_in
-
-type RawSockaddrInet6 C.struct_sockaddr_in6
-
-type RawSockaddrUnix C.struct_sockaddr_un
-
-type RawSockaddrDatalink C.struct_sockaddr_dl
-
-type RawSockaddr C.struct_sockaddr
-
-type RawSockaddrAny C.struct_sockaddr_any
-
-type _Socklen C.socklen_t
-
-type Linger C.struct_linger
-
-type Iovec C.struct_iovec
-
-type IPMreq C.struct_ip_mreq
-
-type IPMreqn C.struct_ip_mreqn
-
-type IPv6Mreq C.struct_ipv6_mreq
-
-type Msghdr C.struct_msghdr
-
-type Cmsghdr C.struct_cmsghdr
-
-type Inet6Pktinfo C.struct_in6_pktinfo
-
-type IPv6MTUInfo C.struct_ip6_mtuinfo
-
-type ICMPv6Filter C.struct_icmp6_filter
-
-const (
-	SizeofSockaddrInet4    = C.sizeof_struct_sockaddr_in
-	SizeofSockaddrInet6    = C.sizeof_struct_sockaddr_in6
-	SizeofSockaddrAny      = C.sizeof_struct_sockaddr_any
-	SizeofSockaddrUnix     = C.sizeof_struct_sockaddr_un
-	SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl
-	SizeofLinger           = C.sizeof_struct_linger
-	SizeofIPMreq           = C.sizeof_struct_ip_mreq
-	SizeofIPMreqn          = C.sizeof_struct_ip_mreqn
-	SizeofIPv6Mreq         = C.sizeof_struct_ipv6_mreq
-	SizeofMsghdr           = C.sizeof_struct_msghdr
-	SizeofCmsghdr          = C.sizeof_struct_cmsghdr
-	SizeofInet6Pktinfo     = C.sizeof_struct_in6_pktinfo
-	SizeofIPv6MTUInfo      = C.sizeof_struct_ip6_mtuinfo
-	SizeofICMPv6Filter     = C.sizeof_struct_icmp6_filter
-)
-
-// Ptrace requests
-
-const (
-	PTRACE_ATTACH     = C.PT_ATTACH
-	PTRACE_CONT       = C.PT_CONTINUE
-	PTRACE_DETACH     = C.PT_DETACH
-	PTRACE_GETFPREGS  = C.PT_GETFPREGS
-	PTRACE_GETFSBASE  = C.PT_GETFSBASE
-	PTRACE_GETLWPLIST = C.PT_GETLWPLIST
-	PTRACE_GETNUMLWPS = C.PT_GETNUMLWPS
-	PTRACE_GETREGS    = C.PT_GETREGS
-	PTRACE_GETXSTATE  = C.PT_GETXSTATE
-	PTRACE_IO         = C.PT_IO
-	PTRACE_KILL       = C.PT_KILL
-	PTRACE_LWPEVENTS  = C.PT_LWP_EVENTS
-	PTRACE_LWPINFO    = C.PT_LWPINFO
-	PTRACE_SETFPREGS  = C.PT_SETFPREGS
-	PTRACE_SETREGS    = C.PT_SETREGS
-	PTRACE_SINGLESTEP = C.PT_STEP
-	PTRACE_TRACEME    = C.PT_TRACE_ME
-)
-
-const (
-	PIOD_READ_D  = C.PIOD_READ_D
-	PIOD_WRITE_D = C.PIOD_WRITE_D
-	PIOD_READ_I  = C.PIOD_READ_I
-	PIOD_WRITE_I = C.PIOD_WRITE_I
-)
-
-const (
-	PL_FLAG_BORN   = C.PL_FLAG_BORN
-	PL_FLAG_EXITED = C.PL_FLAG_EXITED
-	PL_FLAG_SI     = C.PL_FLAG_SI
-)
-
-const (
-	TRAP_BRKPT = C.TRAP_BRKPT
-	TRAP_TRACE = C.TRAP_TRACE
-)
-
-type PtraceLwpInfoStruct C.struct_ptrace_lwpinfo
-
-type __Siginfo C.struct___siginfo
-
-type Sigset_t C.sigset_t
-
-type Reg C.struct_reg
-
-type FpReg C.struct_fpreg
-
-type PtraceIoDesc C.struct_ptrace_io_desc
-
-// Events (kqueue, kevent)
-
-type Kevent_t C.struct_kevent_freebsd11
-
-// Select
-
-type FdSet C.fd_set
-
-// Routing and interface messages
-
-const (
-	sizeofIfMsghdr         = C.sizeof_struct_if_msghdr
-	SizeofIfMsghdr         = C.sizeof_struct_if_msghdr8
-	sizeofIfData           = C.sizeof_struct_if_data
-	SizeofIfData           = C.sizeof_struct_if_data8
-	SizeofIfaMsghdr        = C.sizeof_struct_ifa_msghdr
-	SizeofIfmaMsghdr       = C.sizeof_struct_ifma_msghdr
-	SizeofIfAnnounceMsghdr = C.sizeof_struct_if_announcemsghdr
-	SizeofRtMsghdr         = C.sizeof_struct_rt_msghdr
-	SizeofRtMetrics        = C.sizeof_struct_rt_metrics
-)
-
-type ifMsghdr C.struct_if_msghdr
-
-type IfMsghdr C.struct_if_msghdr8
-
-type ifData C.struct_if_data
-
-type IfData C.struct_if_data8
-
-type IfaMsghdr C.struct_ifa_msghdr
-
-type IfmaMsghdr C.struct_ifma_msghdr
-
-type IfAnnounceMsghdr C.struct_if_announcemsghdr
-
-type RtMsghdr C.struct_rt_msghdr
-
-type RtMetrics C.struct_rt_metrics
-
-// Berkeley packet filter
-
-const (
-	SizeofBpfVersion    = C.sizeof_struct_bpf_version
-	SizeofBpfStat       = C.sizeof_struct_bpf_stat
-	SizeofBpfZbuf       = C.sizeof_struct_bpf_zbuf
-	SizeofBpfProgram    = C.sizeof_struct_bpf_program
-	SizeofBpfInsn       = C.sizeof_struct_bpf_insn
-	SizeofBpfHdr        = C.sizeof_struct_bpf_hdr
-	SizeofBpfZbufHeader = C.sizeof_struct_bpf_zbuf_header
-)
-
-type BpfVersion C.struct_bpf_version
-
-type BpfStat C.struct_bpf_stat
-
-type BpfZbuf C.struct_bpf_zbuf
-
-type BpfProgram C.struct_bpf_program
-
-type BpfInsn C.struct_bpf_insn
-
-type BpfHdr C.struct_bpf_hdr
-
-type BpfZbufHeader C.struct_bpf_zbuf_header
-
-// Terminal handling
-
-type Termios C.struct_termios
-
-type Winsize C.struct_winsize
-
-// fchmodat-like syscalls.
-
-const (
-	AT_FDCWD            = C.AT_FDCWD
-	AT_REMOVEDIR        = C.AT_REMOVEDIR
-	AT_SYMLINK_FOLLOW   = C.AT_SYMLINK_FOLLOW
-	AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
-)
-
-// poll
-
-type PollFd C.struct_pollfd
-
-const (
-	POLLERR      = C.POLLERR
-	POLLHUP      = C.POLLHUP
-	POLLIN       = C.POLLIN
-	POLLINIGNEOF = C.POLLINIGNEOF
-	POLLNVAL     = C.POLLNVAL
-	POLLOUT      = C.POLLOUT
-	POLLPRI      = C.POLLPRI
-	POLLRDBAND   = C.POLLRDBAND
-	POLLRDNORM   = C.POLLRDNORM
-	POLLWRBAND   = C.POLLWRBAND
-	POLLWRNORM   = C.POLLWRNORM
-)
-
-// Capabilities
-
-type CapRights C.struct_cap_rights
-
-// Uname
-
-type Utsname C.struct_utsname
diff --git a/vendor/golang.org/x/sys/unix/types_netbsd.go b/vendor/golang.org/x/sys/unix/types_netbsd.go
deleted file mode 100644
index 4a96d72c3..000000000
--- a/vendor/golang.org/x/sys/unix/types_netbsd.go
+++ /dev/null
@@ -1,290 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-/*
-Input to cgo -godefs.  See README.md
-*/
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package unix
-
-/*
-#define KERNEL
-#include <dirent.h>
-#include <fcntl.h>
-#include <poll.h>
-#include <signal.h>
-#include <termios.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <sys/param.h>
-#include <sys/types.h>
-#include <sys/event.h>
-#include <sys/mman.h>
-#include <sys/mount.h>
-#include <sys/ptrace.h>
-#include <sys/resource.h>
-#include <sys/select.h>
-#include <sys/signal.h>
-#include <sys/socket.h>
-#include <sys/stat.h>
-#include <sys/sysctl.h>
-#include <sys/time.h>
-#include <sys/uio.h>
-#include <sys/un.h>
-#include <sys/utsname.h>
-#include <sys/wait.h>
-#include <net/bpf.h>
-#include <net/if.h>
-#include <net/if_dl.h>
-#include <net/route.h>
-#include <netinet/in.h>
-#include <netinet/icmp6.h>
-#include <netinet/tcp.h>
-
-enum {
-	sizeofPtr = sizeof(void*),
-};
-
-union sockaddr_all {
-	struct sockaddr s1;	// this one gets used for fields
-	struct sockaddr_in s2;	// these pad it out
-	struct sockaddr_in6 s3;
-	struct sockaddr_un s4;
-	struct sockaddr_dl s5;
-};
-
-struct sockaddr_any {
-	struct sockaddr addr;
-	char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
-};
-
-*/
-import "C"
-
-// Machine characteristics
-
-const (
-	SizeofPtr      = C.sizeofPtr
-	SizeofShort    = C.sizeof_short
-	SizeofInt      = C.sizeof_int
-	SizeofLong     = C.sizeof_long
-	SizeofLongLong = C.sizeof_longlong
-)
-
-// Basic types
-
-type (
-	_C_short     C.short
-	_C_int       C.int
-	_C_long      C.long
-	_C_long_long C.longlong
-)
-
-// Time
-
-type Timespec C.struct_timespec
-
-type Timeval C.struct_timeval
-
-// Processes
-
-type Rusage C.struct_rusage
-
-type Rlimit C.struct_rlimit
-
-type _Gid_t C.gid_t
-
-// Files
-
-type Stat_t C.struct_stat
-
-type Statfs_t C.struct_statfs
-
-type Flock_t C.struct_flock
-
-type Dirent C.struct_dirent
-
-type Fsid C.fsid_t
-
-// File system limits
-
-const (
-	PathMax = C.PATH_MAX
-)
-
-// Advice to Fadvise
-
-const (
-	FADV_NORMAL     = C.POSIX_FADV_NORMAL
-	FADV_RANDOM     = C.POSIX_FADV_RANDOM
-	FADV_SEQUENTIAL = C.POSIX_FADV_SEQUENTIAL
-	FADV_WILLNEED   = C.POSIX_FADV_WILLNEED
-	FADV_DONTNEED   = C.POSIX_FADV_DONTNEED
-	FADV_NOREUSE    = C.POSIX_FADV_NOREUSE
-)
-
-// Sockets
-
-type RawSockaddrInet4 C.struct_sockaddr_in
-
-type RawSockaddrInet6 C.struct_sockaddr_in6
-
-type RawSockaddrUnix C.struct_sockaddr_un
-
-type RawSockaddrDatalink C.struct_sockaddr_dl
-
-type RawSockaddr C.struct_sockaddr
-
-type RawSockaddrAny C.struct_sockaddr_any
-
-type _Socklen C.socklen_t
-
-type Linger C.struct_linger
-
-type Iovec C.struct_iovec
-
-type IPMreq C.struct_ip_mreq
-
-type IPv6Mreq C.struct_ipv6_mreq
-
-type Msghdr C.struct_msghdr
-
-type Cmsghdr C.struct_cmsghdr
-
-type Inet6Pktinfo C.struct_in6_pktinfo
-
-type IPv6MTUInfo C.struct_ip6_mtuinfo
-
-type ICMPv6Filter C.struct_icmp6_filter
-
-const (
-	SizeofSockaddrInet4    = C.sizeof_struct_sockaddr_in
-	SizeofSockaddrInet6    = C.sizeof_struct_sockaddr_in6
-	SizeofSockaddrAny      = C.sizeof_struct_sockaddr_any
-	SizeofSockaddrUnix     = C.sizeof_struct_sockaddr_un
-	SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl
-	SizeofLinger           = C.sizeof_struct_linger
-	SizeofIPMreq           = C.sizeof_struct_ip_mreq
-	SizeofIPv6Mreq         = C.sizeof_struct_ipv6_mreq
-	SizeofMsghdr           = C.sizeof_struct_msghdr
-	SizeofCmsghdr          = C.sizeof_struct_cmsghdr
-	SizeofInet6Pktinfo     = C.sizeof_struct_in6_pktinfo
-	SizeofIPv6MTUInfo      = C.sizeof_struct_ip6_mtuinfo
-	SizeofICMPv6Filter     = C.sizeof_struct_icmp6_filter
-)
-
-// Ptrace requests
-
-const (
-	PTRACE_TRACEME = C.PT_TRACE_ME
-	PTRACE_CONT    = C.PT_CONTINUE
-	PTRACE_KILL    = C.PT_KILL
-)
-
-// Events (kqueue, kevent)
-
-type Kevent_t C.struct_kevent
-
-// Select
-
-type FdSet C.fd_set
-
-// Routing and interface messages
-
-const (
-	SizeofIfMsghdr         = C.sizeof_struct_if_msghdr
-	SizeofIfData           = C.sizeof_struct_if_data
-	SizeofIfaMsghdr        = C.sizeof_struct_ifa_msghdr
-	SizeofIfAnnounceMsghdr = C.sizeof_struct_if_announcemsghdr
-	SizeofRtMsghdr         = C.sizeof_struct_rt_msghdr
-	SizeofRtMetrics        = C.sizeof_struct_rt_metrics
-)
-
-type IfMsghdr C.struct_if_msghdr
-
-type IfData C.struct_if_data
-
-type IfaMsghdr C.struct_ifa_msghdr
-
-type IfAnnounceMsghdr C.struct_if_announcemsghdr
-
-type RtMsghdr C.struct_rt_msghdr
-
-type RtMetrics C.struct_rt_metrics
-
-type Mclpool C.struct_mclpool
-
-// Berkeley packet filter
-
-const (
-	SizeofBpfVersion = C.sizeof_struct_bpf_version
-	SizeofBpfStat    = C.sizeof_struct_bpf_stat
-	SizeofBpfProgram = C.sizeof_struct_bpf_program
-	SizeofBpfInsn    = C.sizeof_struct_bpf_insn
-	SizeofBpfHdr     = C.sizeof_struct_bpf_hdr
-)
-
-type BpfVersion C.struct_bpf_version
-
-type BpfStat C.struct_bpf_stat
-
-type BpfProgram C.struct_bpf_program
-
-type BpfInsn C.struct_bpf_insn
-
-type BpfHdr C.struct_bpf_hdr
-
-type BpfTimeval C.struct_bpf_timeval
-
-// Terminal handling
-
-type Termios C.struct_termios
-
-type Winsize C.struct_winsize
-
-type Ptmget C.struct_ptmget
-
-// fchmodat-like syscalls.
-
-const (
-	AT_FDCWD            = C.AT_FDCWD
-	AT_SYMLINK_FOLLOW   = C.AT_SYMLINK_FOLLOW
-	AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
-)
-
-// poll
-
-type PollFd C.struct_pollfd
-
-const (
-	POLLERR    = C.POLLERR
-	POLLHUP    = C.POLLHUP
-	POLLIN     = C.POLLIN
-	POLLNVAL   = C.POLLNVAL
-	POLLOUT    = C.POLLOUT
-	POLLPRI    = C.POLLPRI
-	POLLRDBAND = C.POLLRDBAND
-	POLLRDNORM = C.POLLRDNORM
-	POLLWRBAND = C.POLLWRBAND
-	POLLWRNORM = C.POLLWRNORM
-)
-
-// Sysctl
-
-type Sysctlnode C.struct_sysctlnode
-
-// Uname
-
-type Utsname C.struct_utsname
-
-// Clockinfo
-
-const SizeofClockinfo = C.sizeof_struct_clockinfo
-
-type Clockinfo C.struct_clockinfo
diff --git a/vendor/golang.org/x/sys/unix/types_openbsd.go b/vendor/golang.org/x/sys/unix/types_openbsd.go
deleted file mode 100644
index 775cb57dc..000000000
--- a/vendor/golang.org/x/sys/unix/types_openbsd.go
+++ /dev/null
@@ -1,283 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-/*
-Input to cgo -godefs.  See README.md
-*/
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package unix
-
-/*
-#define KERNEL
-#include <dirent.h>
-#include <fcntl.h>
-#include <poll.h>
-#include <signal.h>
-#include <termios.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <sys/param.h>
-#include <sys/types.h>
-#include <sys/event.h>
-#include <sys/mman.h>
-#include <sys/mount.h>
-#include <sys/ptrace.h>
-#include <sys/resource.h>
-#include <sys/select.h>
-#include <sys/signal.h>
-#include <sys/socket.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/uio.h>
-#include <sys/un.h>
-#include <sys/utsname.h>
-#include <sys/wait.h>
-#include <uvm/uvmexp.h>
-#include <net/bpf.h>
-#include <net/if.h>
-#include <net/if_dl.h>
-#include <net/route.h>
-#include <netinet/in.h>
-#include <netinet/icmp6.h>
-#include <netinet/tcp.h>
-
-enum {
-	sizeofPtr = sizeof(void*),
-};
-
-union sockaddr_all {
-	struct sockaddr s1;	// this one gets used for fields
-	struct sockaddr_in s2;	// these pad it out
-	struct sockaddr_in6 s3;
-	struct sockaddr_un s4;
-	struct sockaddr_dl s5;
-};
-
-struct sockaddr_any {
-	struct sockaddr addr;
-	char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
-};
-
-*/
-import "C"
-
-// Machine characteristics
-
-const (
-	SizeofPtr      = C.sizeofPtr
-	SizeofShort    = C.sizeof_short
-	SizeofInt      = C.sizeof_int
-	SizeofLong     = C.sizeof_long
-	SizeofLongLong = C.sizeof_longlong
-)
-
-// Basic types
-
-type (
-	_C_short     C.short
-	_C_int       C.int
-	_C_long      C.long
-	_C_long_long C.longlong
-)
-
-// Time
-
-type Timespec C.struct_timespec
-
-type Timeval C.struct_timeval
-
-// Processes
-
-type Rusage C.struct_rusage
-
-type Rlimit C.struct_rlimit
-
-type _Gid_t C.gid_t
-
-// Files
-
-type Stat_t C.struct_stat
-
-type Statfs_t C.struct_statfs
-
-type Flock_t C.struct_flock
-
-type Dirent C.struct_dirent
-
-type Fsid C.fsid_t
-
-// File system limits
-
-const (
-	PathMax = C.PATH_MAX
-)
-
-// Sockets
-
-type RawSockaddrInet4 C.struct_sockaddr_in
-
-type RawSockaddrInet6 C.struct_sockaddr_in6
-
-type RawSockaddrUnix C.struct_sockaddr_un
-
-type RawSockaddrDatalink C.struct_sockaddr_dl
-
-type RawSockaddr C.struct_sockaddr
-
-type RawSockaddrAny C.struct_sockaddr_any
-
-type _Socklen C.socklen_t
-
-type Linger C.struct_linger
-
-type Iovec C.struct_iovec
-
-type IPMreq C.struct_ip_mreq
-
-type IPv6Mreq C.struct_ipv6_mreq
-
-type Msghdr C.struct_msghdr
-
-type Cmsghdr C.struct_cmsghdr
-
-type Inet6Pktinfo C.struct_in6_pktinfo
-
-type IPv6MTUInfo C.struct_ip6_mtuinfo
-
-type ICMPv6Filter C.struct_icmp6_filter
-
-const (
-	SizeofSockaddrInet4    = C.sizeof_struct_sockaddr_in
-	SizeofSockaddrInet6    = C.sizeof_struct_sockaddr_in6
-	SizeofSockaddrAny      = C.sizeof_struct_sockaddr_any
-	SizeofSockaddrUnix     = C.sizeof_struct_sockaddr_un
-	SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl
-	SizeofLinger           = C.sizeof_struct_linger
-	SizeofIPMreq           = C.sizeof_struct_ip_mreq
-	SizeofIPv6Mreq         = C.sizeof_struct_ipv6_mreq
-	SizeofMsghdr           = C.sizeof_struct_msghdr
-	SizeofCmsghdr          = C.sizeof_struct_cmsghdr
-	SizeofInet6Pktinfo     = C.sizeof_struct_in6_pktinfo
-	SizeofIPv6MTUInfo      = C.sizeof_struct_ip6_mtuinfo
-	SizeofICMPv6Filter     = C.sizeof_struct_icmp6_filter
-)
-
-// Ptrace requests
-
-const (
-	PTRACE_TRACEME = C.PT_TRACE_ME
-	PTRACE_CONT    = C.PT_CONTINUE
-	PTRACE_KILL    = C.PT_KILL
-)
-
-// Events (kqueue, kevent)
-
-type Kevent_t C.struct_kevent
-
-// Select
-
-type FdSet C.fd_set
-
-// Routing and interface messages
-
-const (
-	SizeofIfMsghdr         = C.sizeof_struct_if_msghdr
-	SizeofIfData           = C.sizeof_struct_if_data
-	SizeofIfaMsghdr        = C.sizeof_struct_ifa_msghdr
-	SizeofIfAnnounceMsghdr = C.sizeof_struct_if_announcemsghdr
-	SizeofRtMsghdr         = C.sizeof_struct_rt_msghdr
-	SizeofRtMetrics        = C.sizeof_struct_rt_metrics
-)
-
-type IfMsghdr C.struct_if_msghdr
-
-type IfData C.struct_if_data
-
-type IfaMsghdr C.struct_ifa_msghdr
-
-type IfAnnounceMsghdr C.struct_if_announcemsghdr
-
-type RtMsghdr C.struct_rt_msghdr
-
-type RtMetrics C.struct_rt_metrics
-
-type Mclpool C.struct_mclpool
-
-// Berkeley packet filter
-
-const (
-	SizeofBpfVersion = C.sizeof_struct_bpf_version
-	SizeofBpfStat    = C.sizeof_struct_bpf_stat
-	SizeofBpfProgram = C.sizeof_struct_bpf_program
-	SizeofBpfInsn    = C.sizeof_struct_bpf_insn
-	SizeofBpfHdr     = C.sizeof_struct_bpf_hdr
-)
-
-type BpfVersion C.struct_bpf_version
-
-type BpfStat C.struct_bpf_stat
-
-type BpfProgram C.struct_bpf_program
-
-type BpfInsn C.struct_bpf_insn
-
-type BpfHdr C.struct_bpf_hdr
-
-type BpfTimeval C.struct_bpf_timeval
-
-// Terminal handling
-
-type Termios C.struct_termios
-
-type Winsize C.struct_winsize
-
-// fchmodat-like syscalls.
-
-const (
-	AT_FDCWD            = C.AT_FDCWD
-	AT_SYMLINK_FOLLOW   = C.AT_SYMLINK_FOLLOW
-	AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
-)
-
-// poll
-
-type PollFd C.struct_pollfd
-
-const (
-	POLLERR    = C.POLLERR
-	POLLHUP    = C.POLLHUP
-	POLLIN     = C.POLLIN
-	POLLNVAL   = C.POLLNVAL
-	POLLOUT    = C.POLLOUT
-	POLLPRI    = C.POLLPRI
-	POLLRDBAND = C.POLLRDBAND
-	POLLRDNORM = C.POLLRDNORM
-	POLLWRBAND = C.POLLWRBAND
-	POLLWRNORM = C.POLLWRNORM
-)
-
-// Signal Sets
-
-type Sigset_t C.sigset_t
-
-// Uname
-
-type Utsname C.struct_utsname
-
-// Uvmexp
-
-const SizeofUvmexp = C.sizeof_struct_uvmexp
-
-type Uvmexp C.struct_uvmexp
-
-// Clockinfo
-
-const SizeofClockinfo = C.sizeof_struct_clockinfo
-
-type Clockinfo C.struct_clockinfo
diff --git a/vendor/golang.org/x/sys/unix/types_solaris.go b/vendor/golang.org/x/sys/unix/types_solaris.go
deleted file mode 100644
index 2b716f934..000000000
--- a/vendor/golang.org/x/sys/unix/types_solaris.go
+++ /dev/null
@@ -1,266 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-/*
-Input to cgo -godefs.  See README.md
-*/
-
-// +godefs map struct_in_addr [4]byte /* in_addr */
-// +godefs map struct_in6_addr [16]byte /* in6_addr */
-
-package unix
-
-/*
-#define KERNEL
-// These defines ensure that builds done on newer versions of Solaris are
-// backwards-compatible with older versions of Solaris and
-// OpenSolaris-based derivatives.
-#define __USE_SUNOS_SOCKETS__          // msghdr
-#define __USE_LEGACY_PROTOTYPES__      // iovec
-#include <dirent.h>
-#include <fcntl.h>
-#include <netdb.h>
-#include <limits.h>
-#include <poll.h>
-#include <signal.h>
-#include <termios.h>
-#include <termio.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#include <sys/mount.h>
-#include <sys/param.h>
-#include <sys/resource.h>
-#include <sys/select.h>
-#include <sys/signal.h>
-#include <sys/socket.h>
-#include <sys/stat.h>
-#include <sys/statvfs.h>
-#include <sys/time.h>
-#include <sys/times.h>
-#include <sys/types.h>
-#include <sys/utsname.h>
-#include <sys/un.h>
-#include <sys/wait.h>
-#include <net/bpf.h>
-#include <net/if.h>
-#include <net/if_dl.h>
-#include <net/route.h>
-#include <netinet/in.h>
-#include <netinet/icmp6.h>
-#include <netinet/tcp.h>
-#include <ustat.h>
-#include <utime.h>
-
-enum {
-	sizeofPtr = sizeof(void*),
-};
-
-union sockaddr_all {
-	struct sockaddr s1;	// this one gets used for fields
-	struct sockaddr_in s2;	// these pad it out
-	struct sockaddr_in6 s3;
-	struct sockaddr_un s4;
-	struct sockaddr_dl s5;
-};
-
-struct sockaddr_any {
-	struct sockaddr addr;
-	char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
-};
-
-*/
-import "C"
-
-// Machine characteristics
-
-const (
-	SizeofPtr      = C.sizeofPtr
-	SizeofShort    = C.sizeof_short
-	SizeofInt      = C.sizeof_int
-	SizeofLong     = C.sizeof_long
-	SizeofLongLong = C.sizeof_longlong
-	PathMax        = C.PATH_MAX
-	MaxHostNameLen = C.MAXHOSTNAMELEN
-)
-
-// Basic types
-
-type (
-	_C_short     C.short
-	_C_int       C.int
-	_C_long      C.long
-	_C_long_long C.longlong
-)
-
-// Time
-
-type Timespec C.struct_timespec
-
-type Timeval C.struct_timeval
-
-type Timeval32 C.struct_timeval32
-
-type Tms C.struct_tms
-
-type Utimbuf C.struct_utimbuf
-
-// Processes
-
-type Rusage C.struct_rusage
-
-type Rlimit C.struct_rlimit
-
-type _Gid_t C.gid_t
-
-// Files
-
-type Stat_t C.struct_stat
-
-type Flock_t C.struct_flock
-
-type Dirent C.struct_dirent
-
-// Filesystems
-
-type _Fsblkcnt_t C.fsblkcnt_t
-
-type Statvfs_t C.struct_statvfs
-
-// Sockets
-
-type RawSockaddrInet4 C.struct_sockaddr_in
-
-type RawSockaddrInet6 C.struct_sockaddr_in6
-
-type RawSockaddrUnix C.struct_sockaddr_un
-
-type RawSockaddrDatalink C.struct_sockaddr_dl
-
-type RawSockaddr C.struct_sockaddr
-
-type RawSockaddrAny C.struct_sockaddr_any
-
-type _Socklen C.socklen_t
-
-type Linger C.struct_linger
-
-type Iovec C.struct_iovec
-
-type IPMreq C.struct_ip_mreq
-
-type IPv6Mreq C.struct_ipv6_mreq
-
-type Msghdr C.struct_msghdr
-
-type Cmsghdr C.struct_cmsghdr
-
-type Inet6Pktinfo C.struct_in6_pktinfo
-
-type IPv6MTUInfo C.struct_ip6_mtuinfo
-
-type ICMPv6Filter C.struct_icmp6_filter
-
-const (
-	SizeofSockaddrInet4    = C.sizeof_struct_sockaddr_in
-	SizeofSockaddrInet6    = C.sizeof_struct_sockaddr_in6
-	SizeofSockaddrAny      = C.sizeof_struct_sockaddr_any
-	SizeofSockaddrUnix     = C.sizeof_struct_sockaddr_un
-	SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl
-	SizeofLinger           = C.sizeof_struct_linger
-	SizeofIPMreq           = C.sizeof_struct_ip_mreq
-	SizeofIPv6Mreq         = C.sizeof_struct_ipv6_mreq
-	SizeofMsghdr           = C.sizeof_struct_msghdr
-	SizeofCmsghdr          = C.sizeof_struct_cmsghdr
-	SizeofInet6Pktinfo     = C.sizeof_struct_in6_pktinfo
-	SizeofIPv6MTUInfo      = C.sizeof_struct_ip6_mtuinfo
-	SizeofICMPv6Filter     = C.sizeof_struct_icmp6_filter
-)
-
-// Select
-
-type FdSet C.fd_set
-
-// Misc
-
-type Utsname C.struct_utsname
-
-type Ustat_t C.struct_ustat
-
-const (
-	AT_FDCWD            = C.AT_FDCWD
-	AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
-	AT_SYMLINK_FOLLOW   = C.AT_SYMLINK_FOLLOW
-	AT_REMOVEDIR        = C.AT_REMOVEDIR
-	AT_EACCESS          = C.AT_EACCESS
-)
-
-// Routing and interface messages
-
-const (
-	SizeofIfMsghdr  = C.sizeof_struct_if_msghdr
-	SizeofIfData    = C.sizeof_struct_if_data
-	SizeofIfaMsghdr = C.sizeof_struct_ifa_msghdr
-	SizeofRtMsghdr  = C.sizeof_struct_rt_msghdr
-	SizeofRtMetrics = C.sizeof_struct_rt_metrics
-)
-
-type IfMsghdr C.struct_if_msghdr
-
-type IfData C.struct_if_data
-
-type IfaMsghdr C.struct_ifa_msghdr
-
-type RtMsghdr C.struct_rt_msghdr
-
-type RtMetrics C.struct_rt_metrics
-
-// Berkeley packet filter
-
-const (
-	SizeofBpfVersion = C.sizeof_struct_bpf_version
-	SizeofBpfStat    = C.sizeof_struct_bpf_stat
-	SizeofBpfProgram = C.sizeof_struct_bpf_program
-	SizeofBpfInsn    = C.sizeof_struct_bpf_insn
-	SizeofBpfHdr     = C.sizeof_struct_bpf_hdr
-)
-
-type BpfVersion C.struct_bpf_version
-
-type BpfStat C.struct_bpf_stat
-
-type BpfProgram C.struct_bpf_program
-
-type BpfInsn C.struct_bpf_insn
-
-type BpfTimeval C.struct_bpf_timeval
-
-type BpfHdr C.struct_bpf_hdr
-
-// Terminal handling
-
-type Termios C.struct_termios
-
-type Termio C.struct_termio
-
-type Winsize C.struct_winsize
-
-// poll
-
-type PollFd C.struct_pollfd
-
-const (
-	POLLERR    = C.POLLERR
-	POLLHUP    = C.POLLHUP
-	POLLIN     = C.POLLIN
-	POLLNVAL   = C.POLLNVAL
-	POLLOUT    = C.POLLOUT
-	POLLPRI    = C.POLLPRI
-	POLLRDBAND = C.POLLRDBAND
-	POLLRDNORM = C.POLLRDNORM
-	POLLWRBAND = C.POLLWRBAND
-	POLLWRNORM = C.POLLWRNORM
-)
diff --git a/vendor/golang.org/x/text/encoding/charmap/maketables.go b/vendor/golang.org/x/text/encoding/charmap/maketables.go
deleted file mode 100644
index f7941701e..000000000
--- a/vendor/golang.org/x/text/encoding/charmap/maketables.go
+++ /dev/null
@@ -1,556 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-package main
-
-import (
-	"bufio"
-	"fmt"
-	"log"
-	"net/http"
-	"sort"
-	"strings"
-	"unicode/utf8"
-
-	"golang.org/x/text/encoding"
-	"golang.org/x/text/internal/gen"
-)
-
-const ascii = "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f" +
-	"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" +
-	` !"#$%&'()*+,-./0123456789:;<=>?` +
-	`@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_` +
-	"`abcdefghijklmnopqrstuvwxyz{|}~\u007f"
-
-var encodings = []struct {
-	name        string
-	mib         string
-	comment     string
-	varName     string
-	replacement byte
-	mapping     string
-}{
-	{
-		"IBM Code Page 037",
-		"IBM037",
-		"",
-		"CodePage037",
-		0x3f,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM037-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 437",
-		"PC8CodePage437",
-		"",
-		"CodePage437",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM437-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 850",
-		"PC850Multilingual",
-		"",
-		"CodePage850",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM850-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 852",
-		"PCp852",
-		"",
-		"CodePage852",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM852-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 855",
-		"IBM855",
-		"",
-		"CodePage855",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM855-2.1.2.ucm",
-	},
-	{
-		"Windows Code Page 858", // PC latin1 with Euro
-		"IBM00858",
-		"",
-		"CodePage858",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/windows-858-2000.ucm",
-	},
-	{
-		"IBM Code Page 860",
-		"IBM860",
-		"",
-		"CodePage860",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM860-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 862",
-		"PC862LatinHebrew",
-		"",
-		"CodePage862",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM862-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 863",
-		"IBM863",
-		"",
-		"CodePage863",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM863-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 865",
-		"IBM865",
-		"",
-		"CodePage865",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM865-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 866",
-		"IBM866",
-		"",
-		"CodePage866",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-ibm866.txt",
-	},
-	{
-		"IBM Code Page 1047",
-		"IBM1047",
-		"",
-		"CodePage1047",
-		0x3f,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/glibc-IBM1047-2.1.2.ucm",
-	},
-	{
-		"IBM Code Page 1140",
-		"IBM01140",
-		"",
-		"CodePage1140",
-		0x3f,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/ibm-1140_P100-1997.ucm",
-	},
-	{
-		"ISO 8859-1",
-		"ISOLatin1",
-		"",
-		"ISO8859_1",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/iso-8859_1-1998.ucm",
-	},
-	{
-		"ISO 8859-2",
-		"ISOLatin2",
-		"",
-		"ISO8859_2",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-2.txt",
-	},
-	{
-		"ISO 8859-3",
-		"ISOLatin3",
-		"",
-		"ISO8859_3",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-3.txt",
-	},
-	{
-		"ISO 8859-4",
-		"ISOLatin4",
-		"",
-		"ISO8859_4",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-4.txt",
-	},
-	{
-		"ISO 8859-5",
-		"ISOLatinCyrillic",
-		"",
-		"ISO8859_5",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-5.txt",
-	},
-	{
-		"ISO 8859-6",
-		"ISOLatinArabic",
-		"",
-		"ISO8859_6,ISO8859_6E,ISO8859_6I",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-6.txt",
-	},
-	{
-		"ISO 8859-7",
-		"ISOLatinGreek",
-		"",
-		"ISO8859_7",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-7.txt",
-	},
-	{
-		"ISO 8859-8",
-		"ISOLatinHebrew",
-		"",
-		"ISO8859_8,ISO8859_8E,ISO8859_8I",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-8.txt",
-	},
-	{
-		"ISO 8859-9",
-		"ISOLatin5",
-		"",
-		"ISO8859_9",
-		encoding.ASCIISub,
-		"http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/iso-8859_9-1999.ucm",
-	},
-	{
-		"ISO 8859-10",
-		"ISOLatin6",
-		"",
-		"ISO8859_10",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-10.txt",
-	},
-	{
-		"ISO 8859-13",
-		"ISO885913",
-		"",
-		"ISO8859_13",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-13.txt",
-	},
-	{
-		"ISO 8859-14",
-		"ISO885914",
-		"",
-		"ISO8859_14",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-14.txt",
-	},
-	{
-		"ISO 8859-15",
-		"ISO885915",
-		"",
-		"ISO8859_15",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-15.txt",
-	},
-	{
-		"ISO 8859-16",
-		"ISO885916",
-		"",
-		"ISO8859_16",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-iso-8859-16.txt",
-	},
-	{
-		"KOI8-R",
-		"KOI8R",
-		"",
-		"KOI8R",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-koi8-r.txt",
-	},
-	{
-		"KOI8-U",
-		"KOI8U",
-		"",
-		"KOI8U",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-koi8-u.txt",
-	},
-	{
-		"Macintosh",
-		"Macintosh",
-		"",
-		"Macintosh",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-macintosh.txt",
-	},
-	{
-		"Macintosh Cyrillic",
-		"MacintoshCyrillic",
-		"",
-		"MacintoshCyrillic",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-x-mac-cyrillic.txt",
-	},
-	{
-		"Windows 874",
-		"Windows874",
-		"",
-		"Windows874",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-874.txt",
-	},
-	{
-		"Windows 1250",
-		"Windows1250",
-		"",
-		"Windows1250",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1250.txt",
-	},
-	{
-		"Windows 1251",
-		"Windows1251",
-		"",
-		"Windows1251",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1251.txt",
-	},
-	{
-		"Windows 1252",
-		"Windows1252",
-		"",
-		"Windows1252",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1252.txt",
-	},
-	{
-		"Windows 1253",
-		"Windows1253",
-		"",
-		"Windows1253",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1253.txt",
-	},
-	{
-		"Windows 1254",
-		"Windows1254",
-		"",
-		"Windows1254",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1254.txt",
-	},
-	{
-		"Windows 1255",
-		"Windows1255",
-		"",
-		"Windows1255",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1255.txt",
-	},
-	{
-		"Windows 1256",
-		"Windows1256",
-		"",
-		"Windows1256",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1256.txt",
-	},
-	{
-		"Windows 1257",
-		"Windows1257",
-		"",
-		"Windows1257",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1257.txt",
-	},
-	{
-		"Windows 1258",
-		"Windows1258",
-		"",
-		"Windows1258",
-		encoding.ASCIISub,
-		"http://encoding.spec.whatwg.org/index-windows-1258.txt",
-	},
-	{
-		"X-User-Defined",
-		"XUserDefined",
-		"It is defined at http://encoding.spec.whatwg.org/#x-user-defined",
-		"XUserDefined",
-		encoding.ASCIISub,
-		ascii +
-			"\uf780\uf781\uf782\uf783\uf784\uf785\uf786\uf787" +
-			"\uf788\uf789\uf78a\uf78b\uf78c\uf78d\uf78e\uf78f" +
-			"\uf790\uf791\uf792\uf793\uf794\uf795\uf796\uf797" +
-			"\uf798\uf799\uf79a\uf79b\uf79c\uf79d\uf79e\uf79f" +
-			"\uf7a0\uf7a1\uf7a2\uf7a3\uf7a4\uf7a5\uf7a6\uf7a7" +
-			"\uf7a8\uf7a9\uf7aa\uf7ab\uf7ac\uf7ad\uf7ae\uf7af" +
-			"\uf7b0\uf7b1\uf7b2\uf7b3\uf7b4\uf7b5\uf7b6\uf7b7" +
-			"\uf7b8\uf7b9\uf7ba\uf7bb\uf7bc\uf7bd\uf7be\uf7bf" +
-			"\uf7c0\uf7c1\uf7c2\uf7c3\uf7c4\uf7c5\uf7c6\uf7c7" +
-			"\uf7c8\uf7c9\uf7ca\uf7cb\uf7cc\uf7cd\uf7ce\uf7cf" +
-			"\uf7d0\uf7d1\uf7d2\uf7d3\uf7d4\uf7d5\uf7d6\uf7d7" +
-			"\uf7d8\uf7d9\uf7da\uf7db\uf7dc\uf7dd\uf7de\uf7df" +
-			"\uf7e0\uf7e1\uf7e2\uf7e3\uf7e4\uf7e5\uf7e6\uf7e7" +
-			"\uf7e8\uf7e9\uf7ea\uf7eb\uf7ec\uf7ed\uf7ee\uf7ef" +
-			"\uf7f0\uf7f1\uf7f2\uf7f3\uf7f4\uf7f5\uf7f6\uf7f7" +
-			"\uf7f8\uf7f9\uf7fa\uf7fb\uf7fc\uf7fd\uf7fe\uf7ff",
-	},
-}
-
-func getWHATWG(url string) string {
-	res, err := http.Get(url)
-	if err != nil {
-		log.Fatalf("%q: Get: %v", url, err)
-	}
-	defer res.Body.Close()
-
-	mapping := make([]rune, 128)
-	for i := range mapping {
-		mapping[i] = '\ufffd'
-	}
-
-	scanner := bufio.NewScanner(res.Body)
-	for scanner.Scan() {
-		s := strings.TrimSpace(scanner.Text())
-		if s == "" || s[0] == '#' {
-			continue
-		}
-		x, y := 0, 0
-		if _, err := fmt.Sscanf(s, "%d\t0x%x", &x, &y); err != nil {
-			log.Fatalf("could not parse %q", s)
-		}
-		if x < 0 || 128 <= x {
-			log.Fatalf("code %d is out of range", x)
-		}
-		if 0x80 <= y && y < 0xa0 {
-			// We diverge from the WHATWG spec by mapping control characters
-			// in the range [0x80, 0xa0) to U+FFFD.
-			continue
-		}
-		mapping[x] = rune(y)
-	}
-	return ascii + string(mapping)
-}
-
-func getUCM(url string) string {
-	res, err := http.Get(url)
-	if err != nil {
-		log.Fatalf("%q: Get: %v", url, err)
-	}
-	defer res.Body.Close()
-
-	mapping := make([]rune, 256)
-	for i := range mapping {
-		mapping[i] = '\ufffd'
-	}
-
-	charsFound := 0
-	scanner := bufio.NewScanner(res.Body)
-	for scanner.Scan() {
-		s := strings.TrimSpace(scanner.Text())
-		if s == "" || s[0] == '#' {
-			continue
-		}
-		var c byte
-		var r rune
-		if _, err := fmt.Sscanf(s, `<U%x> \x%x |0`, &r, &c); err != nil {
-			continue
-		}
-		mapping[c] = r
-		charsFound++
-	}
-
-	if charsFound < 200 {
-		log.Fatalf("%q: only %d characters found (wrong page format?)", url, charsFound)
-	}
-
-	return string(mapping)
-}
-
-func main() {
-	mibs := map[string]bool{}
-	all := []string{}
-
-	w := gen.NewCodeWriter()
-	defer w.WriteGoFile("tables.go", "charmap")
-
-	printf := func(s string, a ...interface{}) { fmt.Fprintf(w, s, a...) }
-
-	printf("import (\n")
-	printf("\t\"golang.org/x/text/encoding\"\n")
-	printf("\t\"golang.org/x/text/encoding/internal/identifier\"\n")
-	printf(")\n\n")
-	for _, e := range encodings {
-		varNames := strings.Split(e.varName, ",")
-		all = append(all, varNames...)
-		varName := varNames[0]
-		switch {
-		case strings.HasPrefix(e.mapping, "http://encoding.spec.whatwg.org/"):
-			e.mapping = getWHATWG(e.mapping)
-		case strings.HasPrefix(e.mapping, "http://source.icu-project.org/repos/icu/data/trunk/charset/data/ucm/"):
-			e.mapping = getUCM(e.mapping)
-		}
-
-		asciiSuperset, low := strings.HasPrefix(e.mapping, ascii), 0x00
-		if asciiSuperset {
-			low = 0x80
-		}
-		lvn := 1
-		if strings.HasPrefix(varName, "ISO") || strings.HasPrefix(varName, "KOI") {
-			lvn = 3
-		}
-		lowerVarName := strings.ToLower(varName[:lvn]) + varName[lvn:]
-		printf("// %s is the %s encoding.\n", varName, e.name)
-		if e.comment != "" {
-			printf("//\n// %s\n", e.comment)
-		}
-		printf("var %s *Charmap = &%s\n\nvar %s = Charmap{\nname: %q,\n",
-			varName, lowerVarName, lowerVarName, e.name)
-		if mibs[e.mib] {
-			log.Fatalf("MIB type %q declared multiple times.", e.mib)
-		}
-		printf("mib: identifier.%s,\n", e.mib)
-		printf("asciiSuperset: %t,\n", asciiSuperset)
-		printf("low: 0x%02x,\n", low)
-		printf("replacement: 0x%02x,\n", e.replacement)
-
-		printf("decode: [256]utf8Enc{\n")
-		i, backMapping := 0, map[rune]byte{}
-		for _, c := range e.mapping {
-			if _, ok := backMapping[c]; !ok && c != utf8.RuneError {
-				backMapping[c] = byte(i)
-			}
-			var buf [8]byte
-			n := utf8.EncodeRune(buf[:], c)
-			if n > 3 {
-				panic(fmt.Sprintf("rune %q (%U) is too long", c, c))
-			}
-			printf("{%d,[3]byte{0x%02x,0x%02x,0x%02x}},", n, buf[0], buf[1], buf[2])
-			if i%2 == 1 {
-				printf("\n")
-			}
-			i++
-		}
-		printf("},\n")
-
-		printf("encode: [256]uint32{\n")
-		encode := make([]uint32, 0, 256)
-		for c, i := range backMapping {
-			encode = append(encode, uint32(i)<<24|uint32(c))
-		}
-		sort.Sort(byRune(encode))
-		for len(encode) < cap(encode) {
-			encode = append(encode, encode[len(encode)-1])
-		}
-		for i, enc := range encode {
-			printf("0x%08x,", enc)
-			if i%8 == 7 {
-				printf("\n")
-			}
-		}
-		printf("},\n}\n")
-
-		// Add an estimate of the size of a single Charmap{} struct value, which
-		// includes two 256 elem arrays of 4 bytes and some extra fields, which
-		// align to 3 uint64s on 64-bit architectures.
-		w.Size += 2*4*256 + 3*8
-	}
-	// TODO: add proper line breaking.
-	printf("var listAll = []encoding.Encoding{\n%s,\n}\n\n", strings.Join(all, ",\n"))
-}
-
-type byRune []uint32
-
-func (b byRune) Len() int           { return len(b) }
-func (b byRune) Less(i, j int) bool { return b[i]&0xffffff < b[j]&0xffffff }
-func (b byRune) Swap(i, j int)      { b[i], b[j] = b[j], b[i] }
diff --git a/vendor/golang.org/x/text/encoding/htmlindex/gen.go b/vendor/golang.org/x/text/encoding/htmlindex/gen.go
deleted file mode 100644
index ac6b4a77f..000000000
--- a/vendor/golang.org/x/text/encoding/htmlindex/gen.go
+++ /dev/null
@@ -1,173 +0,0 @@
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-package main
-
-import (
-	"bytes"
-	"encoding/json"
-	"fmt"
-	"log"
-	"strings"
-
-	"golang.org/x/text/internal/gen"
-)
-
-type group struct {
-	Encodings []struct {
-		Labels []string
-		Name   string
-	}
-}
-
-func main() {
-	gen.Init()
-
-	r := gen.Open("https://encoding.spec.whatwg.org", "whatwg", "encodings.json")
-	var groups []group
-	if err := json.NewDecoder(r).Decode(&groups); err != nil {
-		log.Fatalf("Error reading encodings.json: %v", err)
-	}
-
-	w := &bytes.Buffer{}
-	fmt.Fprintln(w, "type htmlEncoding byte")
-	fmt.Fprintln(w, "const (")
-	for i, g := range groups {
-		for _, e := range g.Encodings {
-			key := strings.ToLower(e.Name)
-			name := consts[key]
-			if name == "" {
-				log.Fatalf("No const defined for %s.", key)
-			}
-			if i == 0 {
-				fmt.Fprintf(w, "%s htmlEncoding = iota\n", name)
-			} else {
-				fmt.Fprintf(w, "%s\n", name)
-			}
-		}
-	}
-	fmt.Fprintln(w, "numEncodings")
-	fmt.Fprint(w, ")\n\n")
-
-	fmt.Fprintln(w, "var canonical = [numEncodings]string{")
-	for _, g := range groups {
-		for _, e := range g.Encodings {
-			fmt.Fprintf(w, "%q,\n", strings.ToLower(e.Name))
-		}
-	}
-	fmt.Fprint(w, "}\n\n")
-
-	fmt.Fprintln(w, "var nameMap = map[string]htmlEncoding{")
-	for _, g := range groups {
-		for _, e := range g.Encodings {
-			for _, l := range e.Labels {
-				key := strings.ToLower(e.Name)
-				name := consts[key]
-				fmt.Fprintf(w, "%q: %s,\n", l, name)
-			}
-		}
-	}
-	fmt.Fprint(w, "}\n\n")
-
-	var tags []string
-	fmt.Fprintln(w, "var localeMap = []htmlEncoding{")
-	for _, loc := range locales {
-		tags = append(tags, loc.tag)
-		fmt.Fprintf(w, "%s, // %s \n", consts[loc.name], loc.tag)
-	}
-	fmt.Fprint(w, "}\n\n")
-
-	fmt.Fprintf(w, "const locales = %q\n", strings.Join(tags, " "))
-
-	gen.WriteGoFile("tables.go", "htmlindex", w.Bytes())
-}
-
-// consts maps canonical encoding name to internal constant.
-var consts = map[string]string{
-	"utf-8":          "utf8",
-	"ibm866":         "ibm866",
-	"iso-8859-2":     "iso8859_2",
-	"iso-8859-3":     "iso8859_3",
-	"iso-8859-4":     "iso8859_4",
-	"iso-8859-5":     "iso8859_5",
-	"iso-8859-6":     "iso8859_6",
-	"iso-8859-7":     "iso8859_7",
-	"iso-8859-8":     "iso8859_8",
-	"iso-8859-8-i":   "iso8859_8I",
-	"iso-8859-10":    "iso8859_10",
-	"iso-8859-13":    "iso8859_13",
-	"iso-8859-14":    "iso8859_14",
-	"iso-8859-15":    "iso8859_15",
-	"iso-8859-16":    "iso8859_16",
-	"koi8-r":         "koi8r",
-	"koi8-u":         "koi8u",
-	"macintosh":      "macintosh",
-	"windows-874":    "windows874",
-	"windows-1250":   "windows1250",
-	"windows-1251":   "windows1251",
-	"windows-1252":   "windows1252",
-	"windows-1253":   "windows1253",
-	"windows-1254":   "windows1254",
-	"windows-1255":   "windows1255",
-	"windows-1256":   "windows1256",
-	"windows-1257":   "windows1257",
-	"windows-1258":   "windows1258",
-	"x-mac-cyrillic": "macintoshCyrillic",
-	"gbk":            "gbk",
-	"gb18030":        "gb18030",
-	// "hz-gb-2312":     "hzgb2312", // Was removed from WhatWG
-	"big5":           "big5",
-	"euc-jp":         "eucjp",
-	"iso-2022-jp":    "iso2022jp",
-	"shift_jis":      "shiftJIS",
-	"euc-kr":         "euckr",
-	"replacement":    "replacement",
-	"utf-16be":       "utf16be",
-	"utf-16le":       "utf16le",
-	"x-user-defined": "xUserDefined",
-}
-
-// locales is taken from
-// https://html.spec.whatwg.org/multipage/syntax.html#encoding-sniffing-algorithm.
-var locales = []struct{ tag, name string }{
-	// The default value. Explicitly state latin to benefit from the exact
-	// script option, while still making 1252 the default encoding for languages
-	// written in Latin script.
-	{"und_Latn", "windows-1252"},
-	{"ar", "windows-1256"},
-	{"ba", "windows-1251"},
-	{"be", "windows-1251"},
-	{"bg", "windows-1251"},
-	{"cs", "windows-1250"},
-	{"el", "iso-8859-7"},
-	{"et", "windows-1257"},
-	{"fa", "windows-1256"},
-	{"he", "windows-1255"},
-	{"hr", "windows-1250"},
-	{"hu", "iso-8859-2"},
-	{"ja", "shift_jis"},
-	{"kk", "windows-1251"},
-	{"ko", "euc-kr"},
-	{"ku", "windows-1254"},
-	{"ky", "windows-1251"},
-	{"lt", "windows-1257"},
-	{"lv", "windows-1257"},
-	{"mk", "windows-1251"},
-	{"pl", "iso-8859-2"},
-	{"ru", "windows-1251"},
-	{"sah", "windows-1251"},
-	{"sk", "windows-1250"},
-	{"sl", "iso-8859-2"},
-	{"sr", "windows-1251"},
-	{"tg", "windows-1251"},
-	{"th", "windows-874"},
-	{"tr", "windows-1254"},
-	{"tt", "windows-1251"},
-	{"uk", "windows-1251"},
-	{"vi", "windows-1258"},
-	{"zh-hans", "gb18030"},
-	{"zh-hant", "big5"},
-}
diff --git a/vendor/golang.org/x/text/encoding/internal/identifier/gen.go b/vendor/golang.org/x/text/encoding/internal/identifier/gen.go
deleted file mode 100644
index 26cfef9c6..000000000
--- a/vendor/golang.org/x/text/encoding/internal/identifier/gen.go
+++ /dev/null
@@ -1,142 +0,0 @@
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-package main
-
-import (
-	"bytes"
-	"encoding/xml"
-	"fmt"
-	"io"
-	"log"
-	"strings"
-
-	"golang.org/x/text/internal/gen"
-)
-
-type registry struct {
-	XMLName  xml.Name `xml:"registry"`
-	Updated  string   `xml:"updated"`
-	Registry []struct {
-		ID     string `xml:"id,attr"`
-		Record []struct {
-			Name string `xml:"name"`
-			Xref []struct {
-				Type string `xml:"type,attr"`
-				Data string `xml:"data,attr"`
-			} `xml:"xref"`
-			Desc struct {
-				Data string `xml:",innerxml"`
-				// Any []struct {
-				// 	Data string `xml:",chardata"`
-				// } `xml:",any"`
-				// Data string `xml:",chardata"`
-			} `xml:"description,"`
-			MIB   string   `xml:"value"`
-			Alias []string `xml:"alias"`
-			MIME  string   `xml:"preferred_alias"`
-		} `xml:"record"`
-	} `xml:"registry"`
-}
-
-func main() {
-	r := gen.OpenIANAFile("assignments/character-sets/character-sets.xml")
-	reg := &registry{}
-	if err := xml.NewDecoder(r).Decode(&reg); err != nil && err != io.EOF {
-		log.Fatalf("Error decoding charset registry: %v", err)
-	}
-	if len(reg.Registry) == 0 || reg.Registry[0].ID != "character-sets-1" {
-		log.Fatalf("Unexpected ID %s", reg.Registry[0].ID)
-	}
-
-	w := &bytes.Buffer{}
-	fmt.Fprintf(w, "const (\n")
-	for _, rec := range reg.Registry[0].Record {
-		constName := ""
-		for _, a := range rec.Alias {
-			if strings.HasPrefix(a, "cs") && strings.IndexByte(a, '-') == -1 {
-				// Some of the constant definitions have comments in them. Strip those.
-				constName = strings.Title(strings.SplitN(a[2:], "\n", 2)[0])
-			}
-		}
-		if constName == "" {
-			switch rec.MIB {
-			case "2085":
-				constName = "HZGB2312" // Not listed as alias for some reason.
-			default:
-				log.Fatalf("No cs alias defined for %s.", rec.MIB)
-			}
-		}
-		if rec.MIME != "" {
-			rec.MIME = fmt.Sprintf(" (MIME: %s)", rec.MIME)
-		}
-		fmt.Fprintf(w, "// %s is the MIB identifier with IANA name %s%s.\n//\n", constName, rec.Name, rec.MIME)
-		if len(rec.Desc.Data) > 0 {
-			fmt.Fprint(w, "// ")
-			d := xml.NewDecoder(strings.NewReader(rec.Desc.Data))
-			inElem := true
-			attr := ""
-			for {
-				t, err := d.Token()
-				if err != nil {
-					if err != io.EOF {
-						log.Fatal(err)
-					}
-					break
-				}
-				switch x := t.(type) {
-				case xml.CharData:
-					attr = "" // Don't need attribute info.
-					a := bytes.Split([]byte(x), []byte("\n"))
-					for i, b := range a {
-						if b = bytes.TrimSpace(b); len(b) != 0 {
-							if !inElem && i > 0 {
-								fmt.Fprint(w, "\n// ")
-							}
-							inElem = false
-							fmt.Fprintf(w, "%s ", string(b))
-						}
-					}
-				case xml.StartElement:
-					if x.Name.Local == "xref" {
-						inElem = true
-						use := false
-						for _, a := range x.Attr {
-							if a.Name.Local == "type" {
-								use = use || a.Value != "person"
-							}
-							if a.Name.Local == "data" && use {
-								// Patch up URLs to use https. From some links, the
-								// https version is different from the http one.
-								s := a.Value
-								s = strings.Replace(s, "http://", "https://", -1)
-								s = strings.Replace(s, "/unicode/", "/", -1)
-								attr = s + " "
-							}
-						}
-					}
-				case xml.EndElement:
-					inElem = false
-					fmt.Fprint(w, attr)
-				}
-			}
-			fmt.Fprint(w, "\n")
-		}
-		for _, x := range rec.Xref {
-			switch x.Type {
-			case "rfc":
-				fmt.Fprintf(w, "// Reference: %s\n", strings.ToUpper(x.Data))
-			case "uri":
-				fmt.Fprintf(w, "// Reference: %s\n", x.Data)
-			}
-		}
-		fmt.Fprintf(w, "%s MIB = %s\n", constName, rec.MIB)
-		fmt.Fprintln(w)
-	}
-	fmt.Fprintln(w, ")")
-
-	gen.WriteGoFile("mib.go", "identifier", w.Bytes())
-}
diff --git a/vendor/golang.org/x/text/encoding/japanese/maketables.go b/vendor/golang.org/x/text/encoding/japanese/maketables.go
deleted file mode 100644
index 023957a67..000000000
--- a/vendor/golang.org/x/text/encoding/japanese/maketables.go
+++ /dev/null
@@ -1,161 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-package main
-
-// This program generates tables.go:
-//	go run maketables.go | gofmt > tables.go
-
-// TODO: Emoji extensions?
-// https://www.unicode.org/faq/emoji_dingbats.html
-// https://www.unicode.org/Public/UNIDATA/EmojiSources.txt
-
-import (
-	"bufio"
-	"fmt"
-	"log"
-	"net/http"
-	"sort"
-	"strings"
-)
-
-type entry struct {
-	jisCode, table int
-}
-
-func main() {
-	fmt.Printf("// generated by go run maketables.go; DO NOT EDIT\n\n")
-	fmt.Printf("// Package japanese provides Japanese encodings such as EUC-JP and Shift JIS.\n")
-	fmt.Printf(`package japanese // import "golang.org/x/text/encoding/japanese"` + "\n\n")
-
-	reverse := [65536]entry{}
-	for i := range reverse {
-		reverse[i].table = -1
-	}
-
-	tables := []struct {
-		url  string
-		name string
-	}{
-		{"http://encoding.spec.whatwg.org/index-jis0208.txt", "0208"},
-		{"http://encoding.spec.whatwg.org/index-jis0212.txt", "0212"},
-	}
-	for i, table := range tables {
-		res, err := http.Get(table.url)
-		if err != nil {
-			log.Fatalf("%q: Get: %v", table.url, err)
-		}
-		defer res.Body.Close()
-
-		mapping := [65536]uint16{}
-
-		scanner := bufio.NewScanner(res.Body)
-		for scanner.Scan() {
-			s := strings.TrimSpace(scanner.Text())
-			if s == "" || s[0] == '#' {
-				continue
-			}
-			x, y := 0, uint16(0)
-			if _, err := fmt.Sscanf(s, "%d 0x%x", &x, &y); err != nil {
-				log.Fatalf("%q: could not parse %q", table.url, s)
-			}
-			if x < 0 || 120*94 <= x {
-				log.Fatalf("%q: JIS code %d is out of range", table.url, x)
-			}
-			mapping[x] = y
-			if reverse[y].table == -1 {
-				reverse[y] = entry{jisCode: x, table: i}
-			}
-		}
-		if err := scanner.Err(); err != nil {
-			log.Fatalf("%q: scanner error: %v", table.url, err)
-		}
-
-		fmt.Printf("// jis%sDecode is the decoding table from JIS %s code to Unicode.\n// It is defined at %s\n",
-			table.name, table.name, table.url)
-		fmt.Printf("var jis%sDecode = [...]uint16{\n", table.name)
-		for i, m := range mapping {
-			if m != 0 {
-				fmt.Printf("\t%d: 0x%04X,\n", i, m)
-			}
-		}
-		fmt.Printf("}\n\n")
-	}
-
-	// Any run of at least separation continuous zero entries in the reverse map will
-	// be a separate encode table.
-	const separation = 1024
-
-	intervals := []interval(nil)
-	low, high := -1, -1
-	for i, v := range reverse {
-		if v.table == -1 {
-			continue
-		}
-		if low < 0 {
-			low = i
-		} else if i-high >= separation {
-			if high >= 0 {
-				intervals = append(intervals, interval{low, high})
-			}
-			low = i
-		}
-		high = i + 1
-	}
-	if high >= 0 {
-		intervals = append(intervals, interval{low, high})
-	}
-	sort.Sort(byDecreasingLength(intervals))
-
-	fmt.Printf("const (\n")
-	fmt.Printf("\tjis0208    = 1\n")
-	fmt.Printf("\tjis0212    = 2\n")
-	fmt.Printf("\tcodeMask   = 0x7f\n")
-	fmt.Printf("\tcodeShift  = 7\n")
-	fmt.Printf("\ttableShift = 14\n")
-	fmt.Printf(")\n\n")
-
-	fmt.Printf("const numEncodeTables = %d\n\n", len(intervals))
-	fmt.Printf("// encodeX are the encoding tables from Unicode to JIS code,\n")
-	fmt.Printf("// sorted by decreasing length.\n")
-	for i, v := range intervals {
-		fmt.Printf("// encode%d: %5d entries for runes in [%5d, %5d).\n", i, v.len(), v.low, v.high)
-	}
-	fmt.Printf("//\n")
-	fmt.Printf("// The high two bits of the value record whether the JIS code comes from the\n")
-	fmt.Printf("// JIS0208 table (high bits == 1) or the JIS0212 table (high bits == 2).\n")
-	fmt.Printf("// The low 14 bits are two 7-bit unsigned integers j1 and j2 that form the\n")
-	fmt.Printf("// JIS code (94*j1 + j2) within that table.\n")
-	fmt.Printf("\n")
-
-	for i, v := range intervals {
-		fmt.Printf("const encode%dLow, encode%dHigh = %d, %d\n\n", i, i, v.low, v.high)
-		fmt.Printf("var encode%d = [...]uint16{\n", i)
-		for j := v.low; j < v.high; j++ {
-			x := reverse[j]
-			if x.table == -1 {
-				continue
-			}
-			fmt.Printf("\t%d - %d: jis%s<<14 | 0x%02X<<7 | 0x%02X,\n",
-				j, v.low, tables[x.table].name, x.jisCode/94, x.jisCode%94)
-		}
-		fmt.Printf("}\n\n")
-	}
-}
-
-// interval is a half-open interval [low, high).
-type interval struct {
-	low, high int
-}
-
-func (i interval) len() int { return i.high - i.low }
-
-// byDecreasingLength sorts intervals by decreasing length.
-type byDecreasingLength []interval
-
-func (b byDecreasingLength) Len() int           { return len(b) }
-func (b byDecreasingLength) Less(i, j int) bool { return b[i].len() > b[j].len() }
-func (b byDecreasingLength) Swap(i, j int)      { b[i], b[j] = b[j], b[i] }
diff --git a/vendor/golang.org/x/text/encoding/korean/maketables.go b/vendor/golang.org/x/text/encoding/korean/maketables.go
deleted file mode 100644
index c84034fb6..000000000
--- a/vendor/golang.org/x/text/encoding/korean/maketables.go
+++ /dev/null
@@ -1,143 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-package main
-
-// This program generates tables.go:
-//	go run maketables.go | gofmt > tables.go
-
-import (
-	"bufio"
-	"fmt"
-	"log"
-	"net/http"
-	"sort"
-	"strings"
-)
-
-func main() {
-	fmt.Printf("// generated by go run maketables.go; DO NOT EDIT\n\n")
-	fmt.Printf("// Package korean provides Korean encodings such as EUC-KR.\n")
-	fmt.Printf(`package korean // import "golang.org/x/text/encoding/korean"` + "\n\n")
-
-	res, err := http.Get("http://encoding.spec.whatwg.org/index-euc-kr.txt")
-	if err != nil {
-		log.Fatalf("Get: %v", err)
-	}
-	defer res.Body.Close()
-
-	mapping := [65536]uint16{}
-	reverse := [65536]uint16{}
-
-	scanner := bufio.NewScanner(res.Body)
-	for scanner.Scan() {
-		s := strings.TrimSpace(scanner.Text())
-		if s == "" || s[0] == '#' {
-			continue
-		}
-		x, y := uint16(0), uint16(0)
-		if _, err := fmt.Sscanf(s, "%d 0x%x", &x, &y); err != nil {
-			log.Fatalf("could not parse %q", s)
-		}
-		if x < 0 || 178*(0xc7-0x81)+(0xfe-0xc7)*94+(0xff-0xa1) <= x {
-			log.Fatalf("EUC-KR code %d is out of range", x)
-		}
-		mapping[x] = y
-		if reverse[y] == 0 {
-			c0, c1 := uint16(0), uint16(0)
-			if x < 178*(0xc7-0x81) {
-				c0 = uint16(x/178) + 0x81
-				c1 = uint16(x % 178)
-				switch {
-				case c1 < 1*26:
-					c1 += 0x41
-				case c1 < 2*26:
-					c1 += 0x47
-				default:
-					c1 += 0x4d
-				}
-			} else {
-				x -= 178 * (0xc7 - 0x81)
-				c0 = uint16(x/94) + 0xc7
-				c1 = uint16(x%94) + 0xa1
-			}
-			reverse[y] = c0<<8 | c1
-		}
-	}
-	if err := scanner.Err(); err != nil {
-		log.Fatalf("scanner error: %v", err)
-	}
-
-	fmt.Printf("// decode is the decoding table from EUC-KR code to Unicode.\n")
-	fmt.Printf("// It is defined at http://encoding.spec.whatwg.org/index-euc-kr.txt\n")
-	fmt.Printf("var decode = [...]uint16{\n")
-	for i, v := range mapping {
-		if v != 0 {
-			fmt.Printf("\t%d: 0x%04X,\n", i, v)
-		}
-	}
-	fmt.Printf("}\n\n")
-
-	// Any run of at least separation continuous zero entries in the reverse map will
-	// be a separate encode table.
-	const separation = 1024
-
-	intervals := []interval(nil)
-	low, high := -1, -1
-	for i, v := range reverse {
-		if v == 0 {
-			continue
-		}
-		if low < 0 {
-			low = i
-		} else if i-high >= separation {
-			if high >= 0 {
-				intervals = append(intervals, interval{low, high})
-			}
-			low = i
-		}
-		high = i + 1
-	}
-	if high >= 0 {
-		intervals = append(intervals, interval{low, high})
-	}
-	sort.Sort(byDecreasingLength(intervals))
-
-	fmt.Printf("const numEncodeTables = %d\n\n", len(intervals))
-	fmt.Printf("// encodeX are the encoding tables from Unicode to EUC-KR code,\n")
-	fmt.Printf("// sorted by decreasing length.\n")
-	for i, v := range intervals {
-		fmt.Printf("// encode%d: %5d entries for runes in [%5d, %5d).\n", i, v.len(), v.low, v.high)
-	}
-	fmt.Printf("\n")
-
-	for i, v := range intervals {
-		fmt.Printf("const encode%dLow, encode%dHigh = %d, %d\n\n", i, i, v.low, v.high)
-		fmt.Printf("var encode%d = [...]uint16{\n", i)
-		for j := v.low; j < v.high; j++ {
-			x := reverse[j]
-			if x == 0 {
-				continue
-			}
-			fmt.Printf("\t%d-%d: 0x%04X,\n", j, v.low, x)
-		}
-		fmt.Printf("}\n\n")
-	}
-}
-
-// interval is a half-open interval [low, high).
-type interval struct {
-	low, high int
-}
-
-func (i interval) len() int { return i.high - i.low }
-
-// byDecreasingLength sorts intervals by decreasing length.
-type byDecreasingLength []interval
-
-func (b byDecreasingLength) Len() int           { return len(b) }
-func (b byDecreasingLength) Less(i, j int) bool { return b[i].len() > b[j].len() }
-func (b byDecreasingLength) Swap(i, j int)      { b[i], b[j] = b[j], b[i] }
diff --git a/vendor/golang.org/x/text/encoding/simplifiedchinese/maketables.go b/vendor/golang.org/x/text/encoding/simplifiedchinese/maketables.go
deleted file mode 100644
index 55016c786..000000000
--- a/vendor/golang.org/x/text/encoding/simplifiedchinese/maketables.go
+++ /dev/null
@@ -1,161 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-package main
-
-// This program generates tables.go:
-//	go run maketables.go | gofmt > tables.go
-
-import (
-	"bufio"
-	"fmt"
-	"log"
-	"net/http"
-	"sort"
-	"strings"
-)
-
-func main() {
-	fmt.Printf("// generated by go run maketables.go; DO NOT EDIT\n\n")
-	fmt.Printf("// Package simplifiedchinese provides Simplified Chinese encodings such as GBK.\n")
-	fmt.Printf(`package simplifiedchinese // import "golang.org/x/text/encoding/simplifiedchinese"` + "\n\n")
-
-	printGB18030()
-	printGBK()
-}
-
-func printGB18030() {
-	res, err := http.Get("http://encoding.spec.whatwg.org/index-gb18030.txt")
-	if err != nil {
-		log.Fatalf("Get: %v", err)
-	}
-	defer res.Body.Close()
-
-	fmt.Printf("// gb18030 is the table from http://encoding.spec.whatwg.org/index-gb18030.txt\n")
-	fmt.Printf("var gb18030 = [...][2]uint16{\n")
-	scanner := bufio.NewScanner(res.Body)
-	for scanner.Scan() {
-		s := strings.TrimSpace(scanner.Text())
-		if s == "" || s[0] == '#' {
-			continue
-		}
-		x, y := uint32(0), uint32(0)
-		if _, err := fmt.Sscanf(s, "%d 0x%x", &x, &y); err != nil {
-			log.Fatalf("could not parse %q", s)
-		}
-		if x < 0x10000 && y < 0x10000 {
-			fmt.Printf("\t{0x%04x, 0x%04x},\n", x, y)
-		}
-	}
-	fmt.Printf("}\n\n")
-}
-
-func printGBK() {
-	res, err := http.Get("http://encoding.spec.whatwg.org/index-gbk.txt")
-	if err != nil {
-		log.Fatalf("Get: %v", err)
-	}
-	defer res.Body.Close()
-
-	mapping := [65536]uint16{}
-	reverse := [65536]uint16{}
-
-	scanner := bufio.NewScanner(res.Body)
-	for scanner.Scan() {
-		s := strings.TrimSpace(scanner.Text())
-		if s == "" || s[0] == '#' {
-			continue
-		}
-		x, y := uint16(0), uint16(0)
-		if _, err := fmt.Sscanf(s, "%d 0x%x", &x, &y); err != nil {
-			log.Fatalf("could not parse %q", s)
-		}
-		if x < 0 || 126*190 <= x {
-			log.Fatalf("GBK code %d is out of range", x)
-		}
-		mapping[x] = y
-		if reverse[y] == 0 {
-			c0, c1 := x/190, x%190
-			if c1 >= 0x3f {
-				c1++
-			}
-			reverse[y] = (0x81+c0)<<8 | (0x40 + c1)
-		}
-	}
-	if err := scanner.Err(); err != nil {
-		log.Fatalf("scanner error: %v", err)
-	}
-
-	fmt.Printf("// decode is the decoding table from GBK code to Unicode.\n")
-	fmt.Printf("// It is defined at http://encoding.spec.whatwg.org/index-gbk.txt\n")
-	fmt.Printf("var decode = [...]uint16{\n")
-	for i, v := range mapping {
-		if v != 0 {
-			fmt.Printf("\t%d: 0x%04X,\n", i, v)
-		}
-	}
-	fmt.Printf("}\n\n")
-
-	// Any run of at least separation continuous zero entries in the reverse map will
-	// be a separate encode table.
-	const separation = 1024
-
-	intervals := []interval(nil)
-	low, high := -1, -1
-	for i, v := range reverse {
-		if v == 0 {
-			continue
-		}
-		if low < 0 {
-			low = i
-		} else if i-high >= separation {
-			if high >= 0 {
-				intervals = append(intervals, interval{low, high})
-			}
-			low = i
-		}
-		high = i + 1
-	}
-	if high >= 0 {
-		intervals = append(intervals, interval{low, high})
-	}
-	sort.Sort(byDecreasingLength(intervals))
-
-	fmt.Printf("const numEncodeTables = %d\n\n", len(intervals))
-	fmt.Printf("// encodeX are the encoding tables from Unicode to GBK code,\n")
-	fmt.Printf("// sorted by decreasing length.\n")
-	for i, v := range intervals {
-		fmt.Printf("// encode%d: %5d entries for runes in [%5d, %5d).\n", i, v.len(), v.low, v.high)
-	}
-	fmt.Printf("\n")
-
-	for i, v := range intervals {
-		fmt.Printf("const encode%dLow, encode%dHigh = %d, %d\n\n", i, i, v.low, v.high)
-		fmt.Printf("var encode%d = [...]uint16{\n", i)
-		for j := v.low; j < v.high; j++ {
-			x := reverse[j]
-			if x == 0 {
-				continue
-			}
-			fmt.Printf("\t%d-%d: 0x%04X,\n", j, v.low, x)
-		}
-		fmt.Printf("}\n\n")
-	}
-}
-
-// interval is a half-open interval [low, high).
-type interval struct {
-	low, high int
-}
-
-func (i interval) len() int { return i.high - i.low }
-
-// byDecreasingLength sorts intervals by decreasing length.
-type byDecreasingLength []interval
-
-func (b byDecreasingLength) Len() int           { return len(b) }
-func (b byDecreasingLength) Less(i, j int) bool { return b[i].len() > b[j].len() }
-func (b byDecreasingLength) Swap(i, j int)      { b[i], b[j] = b[j], b[i] }
diff --git a/vendor/golang.org/x/text/encoding/traditionalchinese/maketables.go b/vendor/golang.org/x/text/encoding/traditionalchinese/maketables.go
deleted file mode 100644
index cf7fdb31a..000000000
--- a/vendor/golang.org/x/text/encoding/traditionalchinese/maketables.go
+++ /dev/null
@@ -1,140 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-package main
-
-// This program generates tables.go:
-//	go run maketables.go | gofmt > tables.go
-
-import (
-	"bufio"
-	"fmt"
-	"log"
-	"net/http"
-	"sort"
-	"strings"
-)
-
-func main() {
-	fmt.Printf("// generated by go run maketables.go; DO NOT EDIT\n\n")
-	fmt.Printf("// Package traditionalchinese provides Traditional Chinese encodings such as Big5.\n")
-	fmt.Printf(`package traditionalchinese // import "golang.org/x/text/encoding/traditionalchinese"` + "\n\n")
-
-	res, err := http.Get("http://encoding.spec.whatwg.org/index-big5.txt")
-	if err != nil {
-		log.Fatalf("Get: %v", err)
-	}
-	defer res.Body.Close()
-
-	mapping := [65536]uint32{}
-	reverse := [65536 * 4]uint16{}
-
-	scanner := bufio.NewScanner(res.Body)
-	for scanner.Scan() {
-		s := strings.TrimSpace(scanner.Text())
-		if s == "" || s[0] == '#' {
-			continue
-		}
-		x, y := uint16(0), uint32(0)
-		if _, err := fmt.Sscanf(s, "%d 0x%x", &x, &y); err != nil {
-			log.Fatalf("could not parse %q", s)
-		}
-		if x < 0 || 126*157 <= x {
-			log.Fatalf("Big5 code %d is out of range", x)
-		}
-		mapping[x] = y
-
-		// The WHATWG spec http://encoding.spec.whatwg.org/#indexes says that
-		// "The index pointer for code point in index is the first pointer
-		// corresponding to code point in index", which would normally mean
-		// that the code below should be guarded by "if reverse[y] == 0", but
-		// last instead of first seems to match the behavior of
-		// "iconv -f UTF-8 -t BIG5". For example, U+8005 者 occurs twice in
-		// http://encoding.spec.whatwg.org/index-big5.txt, as index 2148
-		// (encoded as "\x8e\xcd") and index 6543 (encoded as "\xaa\xcc")
-		// and "echo 者 | iconv -f UTF-8 -t BIG5 | xxd" gives "\xaa\xcc".
-		c0, c1 := x/157, x%157
-		if c1 < 0x3f {
-			c1 += 0x40
-		} else {
-			c1 += 0x62
-		}
-		reverse[y] = (0x81+c0)<<8 | c1
-	}
-	if err := scanner.Err(); err != nil {
-		log.Fatalf("scanner error: %v", err)
-	}
-
-	fmt.Printf("// decode is the decoding table from Big5 code to Unicode.\n")
-	fmt.Printf("// It is defined at http://encoding.spec.whatwg.org/index-big5.txt\n")
-	fmt.Printf("var decode = [...]uint32{\n")
-	for i, v := range mapping {
-		if v != 0 {
-			fmt.Printf("\t%d: 0x%08X,\n", i, v)
-		}
-	}
-	fmt.Printf("}\n\n")
-
-	// Any run of at least separation continuous zero entries in the reverse map will
-	// be a separate encode table.
-	const separation = 1024
-
-	intervals := []interval(nil)
-	low, high := -1, -1
-	for i, v := range reverse {
-		if v == 0 {
-			continue
-		}
-		if low < 0 {
-			low = i
-		} else if i-high >= separation {
-			if high >= 0 {
-				intervals = append(intervals, interval{low, high})
-			}
-			low = i
-		}
-		high = i + 1
-	}
-	if high >= 0 {
-		intervals = append(intervals, interval{low, high})
-	}
-	sort.Sort(byDecreasingLength(intervals))
-
-	fmt.Printf("const numEncodeTables = %d\n\n", len(intervals))
-	fmt.Printf("// encodeX are the encoding tables from Unicode to Big5 code,\n")
-	fmt.Printf("// sorted by decreasing length.\n")
-	for i, v := range intervals {
-		fmt.Printf("// encode%d: %5d entries for runes in [%6d, %6d).\n", i, v.len(), v.low, v.high)
-	}
-	fmt.Printf("\n")
-
-	for i, v := range intervals {
-		fmt.Printf("const encode%dLow, encode%dHigh = %d, %d\n\n", i, i, v.low, v.high)
-		fmt.Printf("var encode%d = [...]uint16{\n", i)
-		for j := v.low; j < v.high; j++ {
-			x := reverse[j]
-			if x == 0 {
-				continue
-			}
-			fmt.Printf("\t%d-%d: 0x%04X,\n", j, v.low, x)
-		}
-		fmt.Printf("}\n\n")
-	}
-}
-
-// interval is a half-open interval [low, high).
-type interval struct {
-	low, high int
-}
-
-func (i interval) len() int { return i.high - i.low }
-
-// byDecreasingLength sorts intervals by decreasing length.
-type byDecreasingLength []interval
-
-func (b byDecreasingLength) Len() int           { return len(b) }
-func (b byDecreasingLength) Less(i, j int) bool { return b[i].len() > b[j].len() }
-func (b byDecreasingLength) Swap(i, j int)      { b[i], b[j] = b[j], b[i] }
diff --git a/vendor/golang.org/x/text/internal/language/compact/gen.go b/vendor/golang.org/x/text/internal/language/compact/gen.go
deleted file mode 100644
index 0c36a052f..000000000
--- a/vendor/golang.org/x/text/internal/language/compact/gen.go
+++ /dev/null
@@ -1,64 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// Language tag table generator.
-// Data read from the web.
-
-package main
-
-import (
-	"flag"
-	"fmt"
-	"log"
-
-	"golang.org/x/text/internal/gen"
-	"golang.org/x/text/unicode/cldr"
-)
-
-var (
-	test = flag.Bool("test",
-		false,
-		"test existing tables; can be used to compare web data with package data.")
-	outputFile = flag.String("output",
-		"tables.go",
-		"output file for generated tables")
-)
-
-func main() {
-	gen.Init()
-
-	w := gen.NewCodeWriter()
-	defer w.WriteGoFile("tables.go", "compact")
-
-	fmt.Fprintln(w, `import "golang.org/x/text/internal/language"`)
-
-	b := newBuilder(w)
-	gen.WriteCLDRVersion(w)
-
-	b.writeCompactIndex()
-}
-
-type builder struct {
-	w    *gen.CodeWriter
-	data *cldr.CLDR
-	supp *cldr.SupplementalData
-}
-
-func newBuilder(w *gen.CodeWriter) *builder {
-	r := gen.OpenCLDRCoreZip()
-	defer r.Close()
-	d := &cldr.Decoder{}
-	data, err := d.DecodeZip(r)
-	if err != nil {
-		log.Fatal(err)
-	}
-	b := builder{
-		w:    w,
-		data: data,
-		supp: data.Supplemental(),
-	}
-	return &b
-}
diff --git a/vendor/golang.org/x/text/internal/language/compact/gen_index.go b/vendor/golang.org/x/text/internal/language/compact/gen_index.go
deleted file mode 100644
index 136cefaf0..000000000
--- a/vendor/golang.org/x/text/internal/language/compact/gen_index.go
+++ /dev/null
@@ -1,113 +0,0 @@
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-package main
-
-// This file generates derivative tables based on the language package itself.
-
-import (
-	"fmt"
-	"log"
-	"sort"
-	"strings"
-
-	"golang.org/x/text/internal/language"
-)
-
-// Compact indices:
-// Note -va-X variants only apply to localization variants.
-// BCP variants only ever apply to language.
-// The only ambiguity between tags is with regions.
-
-func (b *builder) writeCompactIndex() {
-	// Collect all language tags for which we have any data in CLDR.
-	m := map[language.Tag]bool{}
-	for _, lang := range b.data.Locales() {
-		// We include all locales unconditionally to be consistent with en_US.
-		// We want en_US, even though it has no data associated with it.
-
-		// TODO: put any of the languages for which no data exists at the end
-		// of the index. This allows all components based on ICU to use that
-		// as the cutoff point.
-		// if x := data.RawLDML(lang); false ||
-		// 	x.LocaleDisplayNames != nil ||
-		// 	x.Characters != nil ||
-		// 	x.Delimiters != nil ||
-		// 	x.Measurement != nil ||
-		// 	x.Dates != nil ||
-		// 	x.Numbers != nil ||
-		// 	x.Units != nil ||
-		// 	x.ListPatterns != nil ||
-		// 	x.Collations != nil ||
-		// 	x.Segmentations != nil ||
-		// 	x.Rbnf != nil ||
-		// 	x.Annotations != nil ||
-		// 	x.Metadata != nil {
-
-		// TODO: support POSIX natively, albeit non-standard.
-		tag := language.Make(strings.Replace(lang, "_POSIX", "-u-va-posix", 1))
-		m[tag] = true
-		// }
-	}
-
-	// TODO: plural rules are also defined for the deprecated tags:
-	//    iw mo sh tl
-	// Consider removing these as compact tags.
-
-	// Include locales for plural rules, which uses a different structure.
-	for _, plurals := range b.supp.Plurals {
-		for _, rules := range plurals.PluralRules {
-			for _, lang := range strings.Split(rules.Locales, " ") {
-				m[language.Make(lang)] = true
-			}
-		}
-	}
-
-	var coreTags []language.CompactCoreInfo
-	var special []string
-
-	for t := range m {
-		if x := t.Extensions(); len(x) != 0 && fmt.Sprint(x) != "[u-va-posix]" {
-			log.Fatalf("Unexpected extension %v in %v", x, t)
-		}
-		if len(t.Variants()) == 0 && len(t.Extensions()) == 0 {
-			cci, ok := language.GetCompactCore(t)
-			if !ok {
-				log.Fatalf("Locale for non-basic language %q", t)
-			}
-			coreTags = append(coreTags, cci)
-		} else {
-			special = append(special, t.String())
-		}
-	}
-
-	w := b.w
-
-	sort.Slice(coreTags, func(i, j int) bool { return coreTags[i] < coreTags[j] })
-	sort.Strings(special)
-
-	w.WriteComment(`
-	NumCompactTags is the number of common tags. The maximum tag is
-	NumCompactTags-1.`)
-	w.WriteConst("NumCompactTags", len(m))
-
-	fmt.Fprintln(w, "const (")
-	for i, t := range coreTags {
-		fmt.Fprintf(w, "%s ID = %d\n", ident(t.Tag().String()), i)
-	}
-	for i, t := range special {
-		fmt.Fprintf(w, "%s ID = %d\n", ident(t), i+len(coreTags))
-	}
-	fmt.Fprintln(w, ")")
-
-	w.WriteVar("coreTags", coreTags)
-
-	w.WriteConst("specialTagsStr", strings.Join(special, " "))
-}
-
-func ident(s string) string {
-	return strings.Replace(s, "-", "", -1) + "Index"
-}
diff --git a/vendor/golang.org/x/text/internal/language/compact/gen_parents.go b/vendor/golang.org/x/text/internal/language/compact/gen_parents.go
deleted file mode 100644
index 9543d5832..000000000
--- a/vendor/golang.org/x/text/internal/language/compact/gen_parents.go
+++ /dev/null
@@ -1,54 +0,0 @@
-// Copyright 2018 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-package main
-
-import (
-	"log"
-
-	"golang.org/x/text/internal/gen"
-	"golang.org/x/text/internal/language"
-	"golang.org/x/text/internal/language/compact"
-	"golang.org/x/text/unicode/cldr"
-)
-
-func main() {
-	r := gen.OpenCLDRCoreZip()
-	defer r.Close()
-
-	d := &cldr.Decoder{}
-	data, err := d.DecodeZip(r)
-	if err != nil {
-		log.Fatalf("DecodeZip: %v", err)
-	}
-
-	w := gen.NewCodeWriter()
-	defer w.WriteGoFile("parents.go", "compact")
-
-	// Create parents table.
-	type ID uint16
-	parents := make([]ID, compact.NumCompactTags)
-	for _, loc := range data.Locales() {
-		tag := language.MustParse(loc)
-		index, ok := compact.FromTag(tag)
-		if !ok {
-			continue
-		}
-		parentIndex := compact.ID(0) // und
-		for p := tag.Parent(); p != language.Und; p = p.Parent() {
-			if x, ok := compact.FromTag(p); ok {
-				parentIndex = x
-				break
-			}
-		}
-		parents[index] = ID(parentIndex)
-	}
-
-	w.WriteComment(`
-	parents maps a compact index of a tag to the compact index of the parent of
-	this tag.`)
-	w.WriteVar("parents", parents)
-}
diff --git a/vendor/golang.org/x/text/internal/language/gen.go b/vendor/golang.org/x/text/internal/language/gen.go
deleted file mode 100644
index cdcc7febc..000000000
--- a/vendor/golang.org/x/text/internal/language/gen.go
+++ /dev/null
@@ -1,1520 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// Language tag table generator.
-// Data read from the web.
-
-package main
-
-import (
-	"bufio"
-	"flag"
-	"fmt"
-	"io"
-	"io/ioutil"
-	"log"
-	"math"
-	"reflect"
-	"regexp"
-	"sort"
-	"strconv"
-	"strings"
-
-	"golang.org/x/text/internal/gen"
-	"golang.org/x/text/internal/tag"
-	"golang.org/x/text/unicode/cldr"
-)
-
-var (
-	test = flag.Bool("test",
-		false,
-		"test existing tables; can be used to compare web data with package data.")
-	outputFile = flag.String("output",
-		"tables.go",
-		"output file for generated tables")
-)
-
-var comment = []string{
-	`
-lang holds an alphabetically sorted list of ISO-639 language identifiers.
-All entries are 4 bytes. The index of the identifier (divided by 4) is the language tag.
-For 2-byte language identifiers, the two successive bytes have the following meaning:
-    - if the first letter of the 2- and 3-letter ISO codes are the same:
-      the second and third letter of the 3-letter ISO code.
-    - otherwise: a 0 and a by 2 bits right-shifted index into altLangISO3.
-For 3-byte language identifiers the 4th byte is 0.`,
-	`
-langNoIndex is a bit vector of all 3-letter language codes that are not used as an index
-in lookup tables. The language ids for these language codes are derived directly
-from the letters and are not consecutive.`,
-	`
-altLangISO3 holds an alphabetically sorted list of 3-letter language code alternatives
-to 2-letter language codes that cannot be derived using the method described above.
-Each 3-letter code is followed by its 1-byte langID.`,
-	`
-altLangIndex is used to convert indexes in altLangISO3 to langIDs.`,
-	`
-AliasMap maps langIDs to their suggested replacements.`,
-	`
-script is an alphabetically sorted list of ISO 15924 codes. The index
-of the script in the string, divided by 4, is the internal scriptID.`,
-	`
-isoRegionOffset needs to be added to the index of regionISO to obtain the regionID
-for 2-letter ISO codes. (The first isoRegionOffset regionIDs are reserved for
-the UN.M49 codes used for groups.)`,
-	`
-regionISO holds a list of alphabetically sorted 2-letter ISO region codes.
-Each 2-letter codes is followed by two bytes with the following meaning:
-    - [A-Z}{2}: the first letter of the 2-letter code plus these two
-                letters form the 3-letter ISO code.
-    - 0, n:     index into altRegionISO3.`,
-	`
-regionTypes defines the status of a region for various standards.`,
-	`
-m49 maps regionIDs to UN.M49 codes. The first isoRegionOffset entries are
-codes indicating collections of regions.`,
-	`
-m49Index gives indexes into fromM49 based on the three most significant bits
-of a 10-bit UN.M49 code. To search an UN.M49 code in fromM49, search in
-   fromM49[m49Index[msb39(code)]:m49Index[msb3(code)+1]]
-for an entry where the first 7 bits match the 7 lsb of the UN.M49 code.
-The region code is stored in the 9 lsb of the indexed value.`,
-	`
-fromM49 contains entries to map UN.M49 codes to regions. See m49Index for details.`,
-	`
-altRegionISO3 holds a list of 3-letter region codes that cannot be
-mapped to 2-letter codes using the default algorithm. This is a short list.`,
-	`
-altRegionIDs holds a list of regionIDs the positions of which match those
-of the 3-letter ISO codes in altRegionISO3.`,
-	`
-variantNumSpecialized is the number of specialized variants in variants.`,
-	`
-suppressScript is an index from langID to the dominant script for that language,
-if it exists.  If a script is given, it should be suppressed from the language tag.`,
-	`
-likelyLang is a lookup table, indexed by langID, for the most likely
-scripts and regions given incomplete information. If more entries exist for a
-given language, region and script are the index and size respectively
-of the list in likelyLangList.`,
-	`
-likelyLangList holds lists info associated with likelyLang.`,
-	`
-likelyRegion is a lookup table, indexed by regionID, for the most likely
-languages and scripts given incomplete information. If more entries exist
-for a given regionID, lang and script are the index and size respectively
-of the list in likelyRegionList.
-TODO: exclude containers and user-definable regions from the list.`,
-	`
-likelyRegionList holds lists info associated with likelyRegion.`,
-	`
-likelyScript is a lookup table, indexed by scriptID, for the most likely
-languages and regions given a script.`,
-	`
-nRegionGroups is the number of region groups.`,
-	`
-regionInclusion maps region identifiers to sets of regions in regionInclusionBits,
-where each set holds all groupings that are directly connected in a region
-containment graph.`,
-	`
-regionInclusionBits is an array of bit vectors where every vector represents
-a set of region groupings.  These sets are used to compute the distance
-between two regions for the purpose of language matching.`,
-	`
-regionInclusionNext marks, for each entry in regionInclusionBits, the set of
-all groups that are reachable from the groups set in the respective entry.`,
-}
-
-// TODO: consider changing some of these structures to tries. This can reduce
-// memory, but may increase the need for memory allocations. This could be
-// mitigated if we can piggyback on language tags for common cases.
-
-func failOnError(e error) {
-	if e != nil {
-		log.Panic(e)
-	}
-}
-
-type setType int
-
-const (
-	Indexed setType = 1 + iota // all elements must be of same size
-	Linear
-)
-
-type stringSet struct {
-	s              []string
-	sorted, frozen bool
-
-	// We often need to update values after the creation of an index is completed.
-	// We include a convenience map for keeping track of this.
-	update map[string]string
-	typ    setType // used for checking.
-}
-
-func (ss *stringSet) clone() stringSet {
-	c := *ss
-	c.s = append([]string(nil), c.s...)
-	return c
-}
-
-func (ss *stringSet) setType(t setType) {
-	if ss.typ != t && ss.typ != 0 {
-		log.Panicf("type %d cannot be assigned as it was already %d", t, ss.typ)
-	}
-}
-
-// parse parses a whitespace-separated string and initializes ss with its
-// components.
-func (ss *stringSet) parse(s string) {
-	scan := bufio.NewScanner(strings.NewReader(s))
-	scan.Split(bufio.ScanWords)
-	for scan.Scan() {
-		ss.add(scan.Text())
-	}
-}
-
-func (ss *stringSet) assertChangeable() {
-	if ss.frozen {
-		log.Panic("attempt to modify a frozen stringSet")
-	}
-}
-
-func (ss *stringSet) add(s string) {
-	ss.assertChangeable()
-	ss.s = append(ss.s, s)
-	ss.sorted = ss.frozen
-}
-
-func (ss *stringSet) freeze() {
-	ss.compact()
-	ss.frozen = true
-}
-
-func (ss *stringSet) compact() {
-	if ss.sorted {
-		return
-	}
-	a := ss.s
-	sort.Strings(a)
-	k := 0
-	for i := 1; i < len(a); i++ {
-		if a[k] != a[i] {
-			a[k+1] = a[i]
-			k++
-		}
-	}
-	ss.s = a[:k+1]
-	ss.sorted = ss.frozen
-}
-
-type funcSorter struct {
-	fn func(a, b string) bool
-	sort.StringSlice
-}
-
-func (s funcSorter) Less(i, j int) bool {
-	return s.fn(s.StringSlice[i], s.StringSlice[j])
-}
-
-func (ss *stringSet) sortFunc(f func(a, b string) bool) {
-	ss.compact()
-	sort.Sort(funcSorter{f, sort.StringSlice(ss.s)})
-}
-
-func (ss *stringSet) remove(s string) {
-	ss.assertChangeable()
-	if i, ok := ss.find(s); ok {
-		copy(ss.s[i:], ss.s[i+1:])
-		ss.s = ss.s[:len(ss.s)-1]
-	}
-}
-
-func (ss *stringSet) replace(ol, nu string) {
-	ss.s[ss.index(ol)] = nu
-	ss.sorted = ss.frozen
-}
-
-func (ss *stringSet) index(s string) int {
-	ss.setType(Indexed)
-	i, ok := ss.find(s)
-	if !ok {
-		if i < len(ss.s) {
-			log.Panicf("find: item %q is not in list. Closest match is %q.", s, ss.s[i])
-		}
-		log.Panicf("find: item %q is not in list", s)
-
-	}
-	return i
-}
-
-func (ss *stringSet) find(s string) (int, bool) {
-	ss.compact()
-	i := sort.SearchStrings(ss.s, s)
-	return i, i != len(ss.s) && ss.s[i] == s
-}
-
-func (ss *stringSet) slice() []string {
-	ss.compact()
-	return ss.s
-}
-
-func (ss *stringSet) updateLater(v, key string) {
-	if ss.update == nil {
-		ss.update = map[string]string{}
-	}
-	ss.update[v] = key
-}
-
-// join joins the string and ensures that all entries are of the same length.
-func (ss *stringSet) join() string {
-	ss.setType(Indexed)
-	n := len(ss.s[0])
-	for _, s := range ss.s {
-		if len(s) != n {
-			log.Panicf("join: not all entries are of the same length: %q", s)
-		}
-	}
-	ss.s = append(ss.s, strings.Repeat("\xff", n))
-	return strings.Join(ss.s, "")
-}
-
-// ianaEntry holds information for an entry in the IANA Language Subtag Repository.
-// All types use the same entry.
-// See http://tools.ietf.org/html/bcp47#section-5.1 for a description of the various
-// fields.
-type ianaEntry struct {
-	typ            string
-	description    []string
-	scope          string
-	added          string
-	preferred      string
-	deprecated     string
-	suppressScript string
-	macro          string
-	prefix         []string
-}
-
-type builder struct {
-	w    *gen.CodeWriter
-	hw   io.Writer // MultiWriter for w and w.Hash
-	data *cldr.CLDR
-	supp *cldr.SupplementalData
-
-	// indices
-	locale      stringSet // common locales
-	lang        stringSet // canonical language ids (2 or 3 letter ISO codes) with data
-	langNoIndex stringSet // 3-letter ISO codes with no associated data
-	script      stringSet // 4-letter ISO codes
-	region      stringSet // 2-letter ISO or 3-digit UN M49 codes
-	variant     stringSet // 4-8-alphanumeric variant code.
-
-	// Region codes that are groups with their corresponding group IDs.
-	groups map[int]index
-
-	// langInfo
-	registry map[string]*ianaEntry
-}
-
-type index uint
-
-func newBuilder(w *gen.CodeWriter) *builder {
-	r := gen.OpenCLDRCoreZip()
-	defer r.Close()
-	d := &cldr.Decoder{}
-	data, err := d.DecodeZip(r)
-	failOnError(err)
-	b := builder{
-		w:    w,
-		hw:   io.MultiWriter(w, w.Hash),
-		data: data,
-		supp: data.Supplemental(),
-	}
-	b.parseRegistry()
-	return &b
-}
-
-func (b *builder) parseRegistry() {
-	r := gen.OpenIANAFile("assignments/language-subtag-registry")
-	defer r.Close()
-	b.registry = make(map[string]*ianaEntry)
-
-	scan := bufio.NewScanner(r)
-	scan.Split(bufio.ScanWords)
-	var record *ianaEntry
-	for more := scan.Scan(); more; {
-		key := scan.Text()
-		more = scan.Scan()
-		value := scan.Text()
-		switch key {
-		case "Type:":
-			record = &ianaEntry{typ: value}
-		case "Subtag:", "Tag:":
-			if s := strings.SplitN(value, "..", 2); len(s) > 1 {
-				for a := s[0]; a <= s[1]; a = inc(a) {
-					b.addToRegistry(a, record)
-				}
-			} else {
-				b.addToRegistry(value, record)
-			}
-		case "Suppress-Script:":
-			record.suppressScript = value
-		case "Added:":
-			record.added = value
-		case "Deprecated:":
-			record.deprecated = value
-		case "Macrolanguage:":
-			record.macro = value
-		case "Preferred-Value:":
-			record.preferred = value
-		case "Prefix:":
-			record.prefix = append(record.prefix, value)
-		case "Scope:":
-			record.scope = value
-		case "Description:":
-			buf := []byte(value)
-			for more = scan.Scan(); more; more = scan.Scan() {
-				b := scan.Bytes()
-				if b[0] == '%' || b[len(b)-1] == ':' {
-					break
-				}
-				buf = append(buf, ' ')
-				buf = append(buf, b...)
-			}
-			record.description = append(record.description, string(buf))
-			continue
-		default:
-			continue
-		}
-		more = scan.Scan()
-	}
-	if scan.Err() != nil {
-		log.Panic(scan.Err())
-	}
-}
-
-func (b *builder) addToRegistry(key string, entry *ianaEntry) {
-	if info, ok := b.registry[key]; ok {
-		if info.typ != "language" || entry.typ != "extlang" {
-			log.Fatalf("parseRegistry: tag %q already exists", key)
-		}
-	} else {
-		b.registry[key] = entry
-	}
-}
-
-var commentIndex = make(map[string]string)
-
-func init() {
-	for _, s := range comment {
-		key := strings.TrimSpace(strings.SplitN(s, " ", 2)[0])
-		commentIndex[key] = s
-	}
-}
-
-func (b *builder) comment(name string) {
-	if s := commentIndex[name]; len(s) > 0 {
-		b.w.WriteComment(s)
-	} else {
-		fmt.Fprintln(b.w)
-	}
-}
-
-func (b *builder) pf(f string, x ...interface{}) {
-	fmt.Fprintf(b.hw, f, x...)
-	fmt.Fprint(b.hw, "\n")
-}
-
-func (b *builder) p(x ...interface{}) {
-	fmt.Fprintln(b.hw, x...)
-}
-
-func (b *builder) addSize(s int) {
-	b.w.Size += s
-	b.pf("// Size: %d bytes", s)
-}
-
-func (b *builder) writeConst(name string, x interface{}) {
-	b.comment(name)
-	b.w.WriteConst(name, x)
-}
-
-// writeConsts computes f(v) for all v in values and writes the results
-// as constants named _v to a single constant block.
-func (b *builder) writeConsts(f func(string) int, values ...string) {
-	b.pf("const (")
-	for _, v := range values {
-		b.pf("\t_%s = %v", v, f(v))
-	}
-	b.pf(")")
-}
-
-// writeType writes the type of the given value, which must be a struct.
-func (b *builder) writeType(value interface{}) {
-	b.comment(reflect.TypeOf(value).Name())
-	b.w.WriteType(value)
-}
-
-func (b *builder) writeSlice(name string, ss interface{}) {
-	b.writeSliceAddSize(name, 0, ss)
-}
-
-func (b *builder) writeSliceAddSize(name string, extraSize int, ss interface{}) {
-	b.comment(name)
-	b.w.Size += extraSize
-	v := reflect.ValueOf(ss)
-	t := v.Type().Elem()
-	b.pf("// Size: %d bytes, %d elements", v.Len()*int(t.Size())+extraSize, v.Len())
-
-	fmt.Fprintf(b.w, "var %s = ", name)
-	b.w.WriteArray(ss)
-	b.p()
-}
-
-type FromTo struct {
-	From, To uint16
-}
-
-func (b *builder) writeSortedMap(name string, ss *stringSet, index func(s string) uint16) {
-	ss.sortFunc(func(a, b string) bool {
-		return index(a) < index(b)
-	})
-	m := []FromTo{}
-	for _, s := range ss.s {
-		m = append(m, FromTo{index(s), index(ss.update[s])})
-	}
-	b.writeSlice(name, m)
-}
-
-const base = 'z' - 'a' + 1
-
-func strToInt(s string) uint {
-	v := uint(0)
-	for i := 0; i < len(s); i++ {
-		v *= base
-		v += uint(s[i] - 'a')
-	}
-	return v
-}
-
-// converts the given integer to the original ASCII string passed to strToInt.
-// len(s) must match the number of characters obtained.
-func intToStr(v uint, s []byte) {
-	for i := len(s) - 1; i >= 0; i-- {
-		s[i] = byte(v%base) + 'a'
-		v /= base
-	}
-}
-
-func (b *builder) writeBitVector(name string, ss []string) {
-	vec := make([]uint8, int(math.Ceil(math.Pow(base, float64(len(ss[0])))/8)))
-	for _, s := range ss {
-		v := strToInt(s)
-		vec[v/8] |= 1 << (v % 8)
-	}
-	b.writeSlice(name, vec)
-}
-
-// TODO: convert this type into a list or two-stage trie.
-func (b *builder) writeMapFunc(name string, m map[string]string, f func(string) uint16) {
-	b.comment(name)
-	v := reflect.ValueOf(m)
-	sz := v.Len() * (2 + int(v.Type().Key().Size()))
-	for _, k := range m {
-		sz += len(k)
-	}
-	b.addSize(sz)
-	keys := []string{}
-	b.pf(`var %s = map[string]uint16{`, name)
-	for k := range m {
-		keys = append(keys, k)
-	}
-	sort.Strings(keys)
-	for _, k := range keys {
-		b.pf("\t%q: %v,", k, f(m[k]))
-	}
-	b.p("}")
-}
-
-func (b *builder) writeMap(name string, m interface{}) {
-	b.comment(name)
-	v := reflect.ValueOf(m)
-	sz := v.Len() * (2 + int(v.Type().Key().Size()) + int(v.Type().Elem().Size()))
-	b.addSize(sz)
-	f := strings.FieldsFunc(fmt.Sprintf("%#v", m), func(r rune) bool {
-		return strings.IndexRune("{}, ", r) != -1
-	})
-	sort.Strings(f[1:])
-	b.pf(`var %s = %s{`, name, f[0])
-	for _, kv := range f[1:] {
-		b.pf("\t%s,", kv)
-	}
-	b.p("}")
-}
-
-func (b *builder) langIndex(s string) uint16 {
-	if s == "und" {
-		return 0
-	}
-	if i, ok := b.lang.find(s); ok {
-		return uint16(i)
-	}
-	return uint16(strToInt(s)) + uint16(len(b.lang.s))
-}
-
-// inc advances the string to its lexicographical successor.
-func inc(s string) string {
-	const maxTagLength = 4
-	var buf [maxTagLength]byte
-	intToStr(strToInt(strings.ToLower(s))+1, buf[:len(s)])
-	for i := 0; i < len(s); i++ {
-		if s[i] <= 'Z' {
-			buf[i] -= 'a' - 'A'
-		}
-	}
-	return string(buf[:len(s)])
-}
-
-func (b *builder) parseIndices() {
-	meta := b.supp.Metadata
-
-	for k, v := range b.registry {
-		var ss *stringSet
-		switch v.typ {
-		case "language":
-			if len(k) == 2 || v.suppressScript != "" || v.scope == "special" {
-				b.lang.add(k)
-				continue
-			} else {
-				ss = &b.langNoIndex
-			}
-		case "region":
-			ss = &b.region
-		case "script":
-			ss = &b.script
-		case "variant":
-			ss = &b.variant
-		default:
-			continue
-		}
-		ss.add(k)
-	}
-	// Include any language for which there is data.
-	for _, lang := range b.data.Locales() {
-		if x := b.data.RawLDML(lang); false ||
-			x.LocaleDisplayNames != nil ||
-			x.Characters != nil ||
-			x.Delimiters != nil ||
-			x.Measurement != nil ||
-			x.Dates != nil ||
-			x.Numbers != nil ||
-			x.Units != nil ||
-			x.ListPatterns != nil ||
-			x.Collations != nil ||
-			x.Segmentations != nil ||
-			x.Rbnf != nil ||
-			x.Annotations != nil ||
-			x.Metadata != nil {
-
-			from := strings.Split(lang, "_")
-			if lang := from[0]; lang != "root" {
-				b.lang.add(lang)
-			}
-		}
-	}
-	// Include locales for plural rules, which uses a different structure.
-	for _, plurals := range b.data.Supplemental().Plurals {
-		for _, rules := range plurals.PluralRules {
-			for _, lang := range strings.Split(rules.Locales, " ") {
-				if lang = strings.Split(lang, "_")[0]; lang != "root" {
-					b.lang.add(lang)
-				}
-			}
-		}
-	}
-	// Include languages in likely subtags.
-	for _, m := range b.supp.LikelySubtags.LikelySubtag {
-		from := strings.Split(m.From, "_")
-		b.lang.add(from[0])
-	}
-	// Include ISO-639 alpha-3 bibliographic entries.
-	for _, a := range meta.Alias.LanguageAlias {
-		if a.Reason == "bibliographic" {
-			b.langNoIndex.add(a.Type)
-		}
-	}
-	// Include regions in territoryAlias (not all are in the IANA registry!)
-	for _, reg := range b.supp.Metadata.Alias.TerritoryAlias {
-		if len(reg.Type) == 2 {
-			b.region.add(reg.Type)
-		}
-	}
-
-	for _, s := range b.lang.s {
-		if len(s) == 3 {
-			b.langNoIndex.remove(s)
-		}
-	}
-	b.writeConst("NumLanguages", len(b.lang.slice())+len(b.langNoIndex.slice()))
-	b.writeConst("NumScripts", len(b.script.slice()))
-	b.writeConst("NumRegions", len(b.region.slice()))
-
-	// Add dummy codes at the start of each list to represent "unspecified".
-	b.lang.add("---")
-	b.script.add("----")
-	b.region.add("---")
-
-	// common locales
-	b.locale.parse(meta.DefaultContent.Locales)
-}
-
-// TODO: region inclusion data will probably not be use used in future matchers.
-
-func (b *builder) computeRegionGroups() {
-	b.groups = make(map[int]index)
-
-	// Create group indices.
-	for i := 1; b.region.s[i][0] < 'A'; i++ { // Base M49 indices on regionID.
-		b.groups[i] = index(len(b.groups))
-	}
-	for _, g := range b.supp.TerritoryContainment.Group {
-		// Skip UN and EURO zone as they are flattening the containment
-		// relationship.
-		if g.Type == "EZ" || g.Type == "UN" {
-			continue
-		}
-		group := b.region.index(g.Type)
-		if _, ok := b.groups[group]; !ok {
-			b.groups[group] = index(len(b.groups))
-		}
-	}
-	if len(b.groups) > 64 {
-		log.Fatalf("only 64 groups supported, found %d", len(b.groups))
-	}
-	b.writeConst("nRegionGroups", len(b.groups))
-}
-
-var langConsts = []string{
-	"af", "am", "ar", "az", "bg", "bn", "ca", "cs", "da", "de", "el", "en", "es",
-	"et", "fa", "fi", "fil", "fr", "gu", "he", "hi", "hr", "hu", "hy", "id", "is",
-	"it", "ja", "ka", "kk", "km", "kn", "ko", "ky", "lo", "lt", "lv", "mk", "ml",
-	"mn", "mo", "mr", "ms", "mul", "my", "nb", "ne", "nl", "no", "pa", "pl", "pt",
-	"ro", "ru", "sh", "si", "sk", "sl", "sq", "sr", "sv", "sw", "ta", "te", "th",
-	"tl", "tn", "tr", "uk", "ur", "uz", "vi", "zh", "zu",
-
-	// constants for grandfathered tags (if not already defined)
-	"jbo", "ami", "bnn", "hak", "tlh", "lb", "nv", "pwn", "tao", "tay", "tsu",
-	"nn", "sfb", "vgt", "sgg", "cmn", "nan", "hsn",
-}
-
-// writeLanguage generates all tables needed for language canonicalization.
-func (b *builder) writeLanguage() {
-	meta := b.supp.Metadata
-
-	b.writeConst("nonCanonicalUnd", b.lang.index("und"))
-	b.writeConsts(func(s string) int { return int(b.langIndex(s)) }, langConsts...)
-	b.writeConst("langPrivateStart", b.langIndex("qaa"))
-	b.writeConst("langPrivateEnd", b.langIndex("qtz"))
-
-	// Get language codes that need to be mapped (overlong 3-letter codes,
-	// deprecated 2-letter codes, legacy and grandfathered tags.)
-	langAliasMap := stringSet{}
-	aliasTypeMap := map[string]AliasType{}
-
-	// altLangISO3 get the alternative ISO3 names that need to be mapped.
-	altLangISO3 := stringSet{}
-	// Add dummy start to avoid the use of index 0.
-	altLangISO3.add("---")
-	altLangISO3.updateLater("---", "aa")
-
-	lang := b.lang.clone()
-	for _, a := range meta.Alias.LanguageAlias {
-		if a.Replacement == "" {
-			a.Replacement = "und"
-		}
-		// TODO: support mapping to tags
-		repl := strings.SplitN(a.Replacement, "_", 2)[0]
-		if a.Reason == "overlong" {
-			if len(a.Replacement) == 2 && len(a.Type) == 3 {
-				lang.updateLater(a.Replacement, a.Type)
-			}
-		} else if len(a.Type) <= 3 {
-			switch a.Reason {
-			case "macrolanguage":
-				aliasTypeMap[a.Type] = Macro
-			case "deprecated":
-				// handled elsewhere
-				continue
-			case "bibliographic", "legacy":
-				if a.Type == "no" {
-					continue
-				}
-				aliasTypeMap[a.Type] = Legacy
-			default:
-				log.Fatalf("new %s alias: %s", a.Reason, a.Type)
-			}
-			langAliasMap.add(a.Type)
-			langAliasMap.updateLater(a.Type, repl)
-		}
-	}
-	// Manually add the mapping of "nb" (Norwegian) to its macro language.
-	// This can be removed if CLDR adopts this change.
-	langAliasMap.add("nb")
-	langAliasMap.updateLater("nb", "no")
-	aliasTypeMap["nb"] = Macro
-
-	for k, v := range b.registry {
-		// Also add deprecated values for 3-letter ISO codes, which CLDR omits.
-		if v.typ == "language" && v.deprecated != "" && v.preferred != "" {
-			langAliasMap.add(k)
-			langAliasMap.updateLater(k, v.preferred)
-			aliasTypeMap[k] = Deprecated
-		}
-	}
-	// Fix CLDR mappings.
-	lang.updateLater("tl", "tgl")
-	lang.updateLater("sh", "hbs")
-	lang.updateLater("mo", "mol")
-	lang.updateLater("no", "nor")
-	lang.updateLater("tw", "twi")
-	lang.updateLater("nb", "nob")
-	lang.updateLater("ak", "aka")
-	lang.updateLater("bh", "bih")
-
-	// Ensure that each 2-letter code is matched with a 3-letter code.
-	for _, v := range lang.s[1:] {
-		s, ok := lang.update[v]
-		if !ok {
-			if s, ok = lang.update[langAliasMap.update[v]]; !ok {
-				continue
-			}
-			lang.update[v] = s
-		}
-		if v[0] != s[0] {
-			altLangISO3.add(s)
-			altLangISO3.updateLater(s, v)
-		}
-	}
-
-	// Complete canonicalized language tags.
-	lang.freeze()
-	for i, v := range lang.s {
-		// We can avoid these manual entries by using the IANA registry directly.
-		// Seems easier to update the list manually, as changes are rare.
-		// The panic in this loop will trigger if we miss an entry.
-		add := ""
-		if s, ok := lang.update[v]; ok {
-			if s[0] == v[0] {
-				add = s[1:]
-			} else {
-				add = string([]byte{0, byte(altLangISO3.index(s))})
-			}
-		} else if len(v) == 3 {
-			add = "\x00"
-		} else {
-			log.Panicf("no data for long form of %q", v)
-		}
-		lang.s[i] += add
-	}
-	b.writeConst("lang", tag.Index(lang.join()))
-
-	b.writeConst("langNoIndexOffset", len(b.lang.s))
-
-	// space of all valid 3-letter language identifiers.
-	b.writeBitVector("langNoIndex", b.langNoIndex.slice())
-
-	altLangIndex := []uint16{}
-	for i, s := range altLangISO3.slice() {
-		altLangISO3.s[i] += string([]byte{byte(len(altLangIndex))})
-		if i > 0 {
-			idx := b.lang.index(altLangISO3.update[s])
-			altLangIndex = append(altLangIndex, uint16(idx))
-		}
-	}
-	b.writeConst("altLangISO3", tag.Index(altLangISO3.join()))
-	b.writeSlice("altLangIndex", altLangIndex)
-
-	b.writeSortedMap("AliasMap", &langAliasMap, b.langIndex)
-	types := make([]AliasType, len(langAliasMap.s))
-	for i, s := range langAliasMap.s {
-		types[i] = aliasTypeMap[s]
-	}
-	b.writeSlice("AliasTypes", types)
-}
-
-var scriptConsts = []string{
-	"Latn", "Hani", "Hans", "Hant", "Qaaa", "Qaai", "Qabx", "Zinh", "Zyyy",
-	"Zzzz",
-}
-
-func (b *builder) writeScript() {
-	b.writeConsts(b.script.index, scriptConsts...)
-	b.writeConst("script", tag.Index(b.script.join()))
-
-	supp := make([]uint8, len(b.lang.slice()))
-	for i, v := range b.lang.slice()[1:] {
-		if sc := b.registry[v].suppressScript; sc != "" {
-			supp[i+1] = uint8(b.script.index(sc))
-		}
-	}
-	b.writeSlice("suppressScript", supp)
-
-	// There is only one deprecated script in CLDR. This value is hard-coded.
-	// We check here if the code must be updated.
-	for _, a := range b.supp.Metadata.Alias.ScriptAlias {
-		if a.Type != "Qaai" {
-			log.Panicf("unexpected deprecated stript %q", a.Type)
-		}
-	}
-}
-
-func parseM49(s string) int16 {
-	if len(s) == 0 {
-		return 0
-	}
-	v, err := strconv.ParseUint(s, 10, 10)
-	failOnError(err)
-	return int16(v)
-}
-
-var regionConsts = []string{
-	"001", "419", "BR", "CA", "ES", "GB", "MD", "PT", "UK", "US",
-	"ZZ", "XA", "XC", "XK", // Unofficial tag for Kosovo.
-}
-
-func (b *builder) writeRegion() {
-	b.writeConsts(b.region.index, regionConsts...)
-
-	isoOffset := b.region.index("AA")
-	m49map := make([]int16, len(b.region.slice()))
-	fromM49map := make(map[int16]int)
-	altRegionISO3 := ""
-	altRegionIDs := []uint16{}
-
-	b.writeConst("isoRegionOffset", isoOffset)
-
-	// 2-letter region lookup and mapping to numeric codes.
-	regionISO := b.region.clone()
-	regionISO.s = regionISO.s[isoOffset:]
-	regionISO.sorted = false
-
-	regionTypes := make([]byte, len(b.region.s))
-
-	// Is the region valid BCP 47?
-	for s, e := range b.registry {
-		if len(s) == 2 && s == strings.ToUpper(s) {
-			i := b.region.index(s)
-			for _, d := range e.description {
-				if strings.Contains(d, "Private use") {
-					regionTypes[i] = iso3166UserAssigned
-				}
-			}
-			regionTypes[i] |= bcp47Region
-		}
-	}
-
-	// Is the region a valid ccTLD?
-	r := gen.OpenIANAFile("domains/root/db")
-	defer r.Close()
-
-	buf, err := ioutil.ReadAll(r)
-	failOnError(err)
-	re := regexp.MustCompile(`"/domains/root/db/([a-z]{2}).html"`)
-	for _, m := range re.FindAllSubmatch(buf, -1) {
-		i := b.region.index(strings.ToUpper(string(m[1])))
-		regionTypes[i] |= ccTLD
-	}
-
-	b.writeSlice("regionTypes", regionTypes)
-
-	iso3Set := make(map[string]int)
-	update := func(iso2, iso3 string) {
-		i := regionISO.index(iso2)
-		if j, ok := iso3Set[iso3]; !ok && iso3[0] == iso2[0] {
-			regionISO.s[i] += iso3[1:]
-			iso3Set[iso3] = -1
-		} else {
-			if ok && j >= 0 {
-				regionISO.s[i] += string([]byte{0, byte(j)})
-			} else {
-				iso3Set[iso3] = len(altRegionISO3)
-				regionISO.s[i] += string([]byte{0, byte(len(altRegionISO3))})
-				altRegionISO3 += iso3
-				altRegionIDs = append(altRegionIDs, uint16(isoOffset+i))
-			}
-		}
-	}
-	for _, tc := range b.supp.CodeMappings.TerritoryCodes {
-		i := regionISO.index(tc.Type) + isoOffset
-		if d := m49map[i]; d != 0 {
-			log.Panicf("%s found as a duplicate UN.M49 code of %03d", tc.Numeric, d)
-		}
-		m49 := parseM49(tc.Numeric)
-		m49map[i] = m49
-		if r := fromM49map[m49]; r == 0 {
-			fromM49map[m49] = i
-		} else if r != i {
-			dep := b.registry[regionISO.s[r-isoOffset]].deprecated
-			if t := b.registry[tc.Type]; t != nil && dep != "" && (t.deprecated == "" || t.deprecated > dep) {
-				fromM49map[m49] = i
-			}
-		}
-	}
-	for _, ta := range b.supp.Metadata.Alias.TerritoryAlias {
-		if len(ta.Type) == 3 && ta.Type[0] <= '9' && len(ta.Replacement) == 2 {
-			from := parseM49(ta.Type)
-			if r := fromM49map[from]; r == 0 {
-				fromM49map[from] = regionISO.index(ta.Replacement) + isoOffset
-			}
-		}
-	}
-	for _, tc := range b.supp.CodeMappings.TerritoryCodes {
-		if len(tc.Alpha3) == 3 {
-			update(tc.Type, tc.Alpha3)
-		}
-	}
-	// This entries are not included in territoryCodes. Mostly 3-letter variants
-	// of deleted codes and an entry for QU.
-	for _, m := range []struct{ iso2, iso3 string }{
-		{"CT", "CTE"},
-		{"DY", "DHY"},
-		{"HV", "HVO"},
-		{"JT", "JTN"},
-		{"MI", "MID"},
-		{"NH", "NHB"},
-		{"NQ", "ATN"},
-		{"PC", "PCI"},
-		{"PU", "PUS"},
-		{"PZ", "PCZ"},
-		{"RH", "RHO"},
-		{"VD", "VDR"},
-		{"WK", "WAK"},
-		// These three-letter codes are used for others as well.
-		{"FQ", "ATF"},
-	} {
-		update(m.iso2, m.iso3)
-	}
-	for i, s := range regionISO.s {
-		if len(s) != 4 {
-			regionISO.s[i] = s + "  "
-		}
-	}
-	b.writeConst("regionISO", tag.Index(regionISO.join()))
-	b.writeConst("altRegionISO3", altRegionISO3)
-	b.writeSlice("altRegionIDs", altRegionIDs)
-
-	// Create list of deprecated regions.
-	// TODO: consider inserting SF -> FI. Not included by CLDR, but is the only
-	// Transitionally-reserved mapping not included.
-	regionOldMap := stringSet{}
-	// Include regions in territoryAlias (not all are in the IANA registry!)
-	for _, reg := range b.supp.Metadata.Alias.TerritoryAlias {
-		if len(reg.Type) == 2 && reg.Reason == "deprecated" && len(reg.Replacement) == 2 {
-			regionOldMap.add(reg.Type)
-			regionOldMap.updateLater(reg.Type, reg.Replacement)
-			i, _ := regionISO.find(reg.Type)
-			j, _ := regionISO.find(reg.Replacement)
-			if k := m49map[i+isoOffset]; k == 0 {
-				m49map[i+isoOffset] = m49map[j+isoOffset]
-			}
-		}
-	}
-	b.writeSortedMap("regionOldMap", &regionOldMap, func(s string) uint16 {
-		return uint16(b.region.index(s))
-	})
-	// 3-digit region lookup, groupings.
-	for i := 1; i < isoOffset; i++ {
-		m := parseM49(b.region.s[i])
-		m49map[i] = m
-		fromM49map[m] = i
-	}
-	b.writeSlice("m49", m49map)
-
-	const (
-		searchBits = 7
-		regionBits = 9
-	)
-	if len(m49map) >= 1<<regionBits {
-		log.Fatalf("Maximum number of regions exceeded: %d > %d", len(m49map), 1<<regionBits)
-	}
-	m49Index := [9]int16{}
-	fromM49 := []uint16{}
-	m49 := []int{}
-	for k, _ := range fromM49map {
-		m49 = append(m49, int(k))
-	}
-	sort.Ints(m49)
-	for _, k := range m49[1:] {
-		val := (k & (1<<searchBits - 1)) << regionBits
-		fromM49 = append(fromM49, uint16(val|fromM49map[int16(k)]))
-		m49Index[1:][k>>searchBits] = int16(len(fromM49))
-	}
-	b.writeSlice("m49Index", m49Index)
-	b.writeSlice("fromM49", fromM49)
-}
-
-const (
-	// TODO: put these lists in regionTypes as user data? Could be used for
-	// various optimizations and refinements and could be exposed in the API.
-	iso3166Except = "AC CP DG EA EU FX IC SU TA UK"
-	iso3166Trans  = "AN BU CS NT TP YU ZR" // SF is not in our set of Regions.
-	// DY and RH are actually not deleted, but indeterminately reserved.
-	iso3166DelCLDR = "CT DD DY FQ HV JT MI NH NQ PC PU PZ RH VD WK YD"
-)
-
-const (
-	iso3166UserAssigned = 1 << iota
-	ccTLD
-	bcp47Region
-)
-
-func find(list []string, s string) int {
-	for i, t := range list {
-		if t == s {
-			return i
-		}
-	}
-	return -1
-}
-
-// writeVariants generates per-variant information and creates a map from variant
-// name to index value. We assign index values such that sorting multiple
-// variants by index value will result in the correct order.
-// There are two types of variants: specialized and general. Specialized variants
-// are only applicable to certain language or language-script pairs. Generalized
-// variants apply to any language. Generalized variants always sort after
-// specialized variants.  We will therefore always assign a higher index value
-// to a generalized variant than any other variant. Generalized variants are
-// sorted alphabetically among themselves.
-// Specialized variants may also sort after other specialized variants. Such
-// variants will be ordered after any of the variants they may follow.
-// We assume that if a variant x is followed by a variant y, then for any prefix
-// p of x, p-x is a prefix of y. This allows us to order tags based on the
-// maximum of the length of any of its prefixes.
-// TODO: it is possible to define a set of Prefix values on variants such that
-// a total order cannot be defined to the point that this algorithm breaks.
-// In other words, we cannot guarantee the same order of variants for the
-// future using the same algorithm or for non-compliant combinations of
-// variants. For this reason, consider using simple alphabetic sorting
-// of variants and ignore Prefix restrictions altogether.
-func (b *builder) writeVariant() {
-	generalized := stringSet{}
-	specialized := stringSet{}
-	specializedExtend := stringSet{}
-	// Collate the variants by type and check assumptions.
-	for _, v := range b.variant.slice() {
-		e := b.registry[v]
-		if len(e.prefix) == 0 {
-			generalized.add(v)
-			continue
-		}
-		c := strings.Split(e.prefix[0], "-")
-		hasScriptOrRegion := false
-		if len(c) > 1 {
-			_, hasScriptOrRegion = b.script.find(c[1])
-			if !hasScriptOrRegion {
-				_, hasScriptOrRegion = b.region.find(c[1])
-
-			}
-		}
-		if len(c) == 1 || len(c) == 2 && hasScriptOrRegion {
-			// Variant is preceded by a language.
-			specialized.add(v)
-			continue
-		}
-		// Variant is preceded by another variant.
-		specializedExtend.add(v)
-		prefix := c[0] + "-"
-		if hasScriptOrRegion {
-			prefix += c[1]
-		}
-		for _, p := range e.prefix {
-			// Verify that the prefix minus the last element is a prefix of the
-			// predecessor element.
-			i := strings.LastIndex(p, "-")
-			pred := b.registry[p[i+1:]]
-			if find(pred.prefix, p[:i]) < 0 {
-				log.Fatalf("prefix %q for variant %q not consistent with predecessor spec", p, v)
-			}
-			// The sorting used below does not work in the general case. It works
-			// if we assume that variants that may be followed by others only have
-			// prefixes of the same length. Verify this.
-			count := strings.Count(p[:i], "-")
-			for _, q := range pred.prefix {
-				if c := strings.Count(q, "-"); c != count {
-					log.Fatalf("variant %q preceding %q has a prefix %q of size %d; want %d", p[i+1:], v, q, c, count)
-				}
-			}
-			if !strings.HasPrefix(p, prefix) {
-				log.Fatalf("prefix %q of variant %q should start with %q", p, v, prefix)
-			}
-		}
-	}
-
-	// Sort extended variants.
-	a := specializedExtend.s
-	less := func(v, w string) bool {
-		// Sort by the maximum number of elements.
-		maxCount := func(s string) (max int) {
-			for _, p := range b.registry[s].prefix {
-				if c := strings.Count(p, "-"); c > max {
-					max = c
-				}
-			}
-			return
-		}
-		if cv, cw := maxCount(v), maxCount(w); cv != cw {
-			return cv < cw
-		}
-		// Sort by name as tie breaker.
-		return v < w
-	}
-	sort.Sort(funcSorter{less, sort.StringSlice(a)})
-	specializedExtend.frozen = true
-
-	// Create index from variant name to index.
-	variantIndex := make(map[string]uint8)
-	add := func(s []string) {
-		for _, v := range s {
-			variantIndex[v] = uint8(len(variantIndex))
-		}
-	}
-	add(specialized.slice())
-	add(specializedExtend.s)
-	numSpecialized := len(variantIndex)
-	add(generalized.slice())
-	if n := len(variantIndex); n > 255 {
-		log.Fatalf("maximum number of variants exceeded: was %d; want <= 255", n)
-	}
-	b.writeMap("variantIndex", variantIndex)
-	b.writeConst("variantNumSpecialized", numSpecialized)
-}
-
-func (b *builder) writeLanguageInfo() {
-}
-
-// writeLikelyData writes tables that are used both for finding parent relations and for
-// language matching.  Each entry contains additional bits to indicate the status of the
-// data to know when it cannot be used for parent relations.
-func (b *builder) writeLikelyData() {
-	const (
-		isList = 1 << iota
-		scriptInFrom
-		regionInFrom
-	)
-	type ( // generated types
-		likelyScriptRegion struct {
-			region uint16
-			script uint8
-			flags  uint8
-		}
-		likelyLangScript struct {
-			lang   uint16
-			script uint8
-			flags  uint8
-		}
-		likelyLangRegion struct {
-			lang   uint16
-			region uint16
-		}
-		// likelyTag is used for getting likely tags for group regions, where
-		// the likely region might be a region contained in the group.
-		likelyTag struct {
-			lang   uint16
-			region uint16
-			script uint8
-		}
-	)
-	var ( // generated variables
-		likelyRegionGroup = make([]likelyTag, len(b.groups))
-		likelyLang        = make([]likelyScriptRegion, len(b.lang.s))
-		likelyRegion      = make([]likelyLangScript, len(b.region.s))
-		likelyScript      = make([]likelyLangRegion, len(b.script.s))
-		likelyLangList    = []likelyScriptRegion{}
-		likelyRegionList  = []likelyLangScript{}
-	)
-	type fromTo struct {
-		from, to []string
-	}
-	langToOther := map[int][]fromTo{}
-	regionToOther := map[int][]fromTo{}
-	for _, m := range b.supp.LikelySubtags.LikelySubtag {
-		from := strings.Split(m.From, "_")
-		to := strings.Split(m.To, "_")
-		if len(to) != 3 {
-			log.Fatalf("invalid number of subtags in %q: found %d, want 3", m.To, len(to))
-		}
-		if len(from) > 3 {
-			log.Fatalf("invalid number of subtags: found %d, want 1-3", len(from))
-		}
-		if from[0] != to[0] && from[0] != "und" {
-			log.Fatalf("unexpected language change in expansion: %s -> %s", from, to)
-		}
-		if len(from) == 3 {
-			if from[2] != to[2] {
-				log.Fatalf("unexpected region change in expansion: %s -> %s", from, to)
-			}
-			if from[0] != "und" {
-				log.Fatalf("unexpected fully specified from tag: %s -> %s", from, to)
-			}
-		}
-		if len(from) == 1 || from[0] != "und" {
-			id := 0
-			if from[0] != "und" {
-				id = b.lang.index(from[0])
-			}
-			langToOther[id] = append(langToOther[id], fromTo{from, to})
-		} else if len(from) == 2 && len(from[1]) == 4 {
-			sid := b.script.index(from[1])
-			likelyScript[sid].lang = uint16(b.langIndex(to[0]))
-			likelyScript[sid].region = uint16(b.region.index(to[2]))
-		} else {
-			r := b.region.index(from[len(from)-1])
-			if id, ok := b.groups[r]; ok {
-				if from[0] != "und" {
-					log.Fatalf("region changed unexpectedly: %s -> %s", from, to)
-				}
-				likelyRegionGroup[id].lang = uint16(b.langIndex(to[0]))
-				likelyRegionGroup[id].script = uint8(b.script.index(to[1]))
-				likelyRegionGroup[id].region = uint16(b.region.index(to[2]))
-			} else {
-				regionToOther[r] = append(regionToOther[r], fromTo{from, to})
-			}
-		}
-	}
-	b.writeType(likelyLangRegion{})
-	b.writeSlice("likelyScript", likelyScript)
-
-	for id := range b.lang.s {
-		list := langToOther[id]
-		if len(list) == 1 {
-			likelyLang[id].region = uint16(b.region.index(list[0].to[2]))
-			likelyLang[id].script = uint8(b.script.index(list[0].to[1]))
-		} else if len(list) > 1 {
-			likelyLang[id].flags = isList
-			likelyLang[id].region = uint16(len(likelyLangList))
-			likelyLang[id].script = uint8(len(list))
-			for _, x := range list {
-				flags := uint8(0)
-				if len(x.from) > 1 {
-					if x.from[1] == x.to[2] {
-						flags = regionInFrom
-					} else {
-						flags = scriptInFrom
-					}
-				}
-				likelyLangList = append(likelyLangList, likelyScriptRegion{
-					region: uint16(b.region.index(x.to[2])),
-					script: uint8(b.script.index(x.to[1])),
-					flags:  flags,
-				})
-			}
-		}
-	}
-	// TODO: merge suppressScript data with this table.
-	b.writeType(likelyScriptRegion{})
-	b.writeSlice("likelyLang", likelyLang)
-	b.writeSlice("likelyLangList", likelyLangList)
-
-	for id := range b.region.s {
-		list := regionToOther[id]
-		if len(list) == 1 {
-			likelyRegion[id].lang = uint16(b.langIndex(list[0].to[0]))
-			likelyRegion[id].script = uint8(b.script.index(list[0].to[1]))
-			if len(list[0].from) > 2 {
-				likelyRegion[id].flags = scriptInFrom
-			}
-		} else if len(list) > 1 {
-			likelyRegion[id].flags = isList
-			likelyRegion[id].lang = uint16(len(likelyRegionList))
-			likelyRegion[id].script = uint8(len(list))
-			for i, x := range list {
-				if len(x.from) == 2 && i != 0 || i > 0 && len(x.from) != 3 {
-					log.Fatalf("unspecified script must be first in list: %v at %d", x.from, i)
-				}
-				x := likelyLangScript{
-					lang:   uint16(b.langIndex(x.to[0])),
-					script: uint8(b.script.index(x.to[1])),
-				}
-				if len(list[0].from) > 2 {
-					x.flags = scriptInFrom
-				}
-				likelyRegionList = append(likelyRegionList, x)
-			}
-		}
-	}
-	b.writeType(likelyLangScript{})
-	b.writeSlice("likelyRegion", likelyRegion)
-	b.writeSlice("likelyRegionList", likelyRegionList)
-
-	b.writeType(likelyTag{})
-	b.writeSlice("likelyRegionGroup", likelyRegionGroup)
-}
-
-func (b *builder) writeRegionInclusionData() {
-	var (
-		// mm holds for each group the set of groups with a distance of 1.
-		mm = make(map[int][]index)
-
-		// containment holds for each group the transitive closure of
-		// containment of other groups.
-		containment = make(map[index][]index)
-	)
-	for _, g := range b.supp.TerritoryContainment.Group {
-		// Skip UN and EURO zone as they are flattening the containment
-		// relationship.
-		if g.Type == "EZ" || g.Type == "UN" {
-			continue
-		}
-		group := b.region.index(g.Type)
-		groupIdx := b.groups[group]
-		for _, mem := range strings.Split(g.Contains, " ") {
-			r := b.region.index(mem)
-			mm[r] = append(mm[r], groupIdx)
-			if g, ok := b.groups[r]; ok {
-				mm[group] = append(mm[group], g)
-				containment[groupIdx] = append(containment[groupIdx], g)
-			}
-		}
-	}
-
-	regionContainment := make([]uint64, len(b.groups))
-	for _, g := range b.groups {
-		l := containment[g]
-
-		// Compute the transitive closure of containment.
-		for i := 0; i < len(l); i++ {
-			l = append(l, containment[l[i]]...)
-		}
-
-		// Compute the bitmask.
-		regionContainment[g] = 1 << g
-		for _, v := range l {
-			regionContainment[g] |= 1 << v
-		}
-	}
-	b.writeSlice("regionContainment", regionContainment)
-
-	regionInclusion := make([]uint8, len(b.region.s))
-	bvs := make(map[uint64]index)
-	// Make the first bitvector positions correspond with the groups.
-	for r, i := range b.groups {
-		bv := uint64(1 << i)
-		for _, g := range mm[r] {
-			bv |= 1 << g
-		}
-		bvs[bv] = i
-		regionInclusion[r] = uint8(bvs[bv])
-	}
-	for r := 1; r < len(b.region.s); r++ {
-		if _, ok := b.groups[r]; !ok {
-			bv := uint64(0)
-			for _, g := range mm[r] {
-				bv |= 1 << g
-			}
-			if bv == 0 {
-				// Pick the world for unspecified regions.
-				bv = 1 << b.groups[b.region.index("001")]
-			}
-			if _, ok := bvs[bv]; !ok {
-				bvs[bv] = index(len(bvs))
-			}
-			regionInclusion[r] = uint8(bvs[bv])
-		}
-	}
-	b.writeSlice("regionInclusion", regionInclusion)
-	regionInclusionBits := make([]uint64, len(bvs))
-	for k, v := range bvs {
-		regionInclusionBits[v] = uint64(k)
-	}
-	// Add bit vectors for increasingly large distances until a fixed point is reached.
-	regionInclusionNext := []uint8{}
-	for i := 0; i < len(regionInclusionBits); i++ {
-		bits := regionInclusionBits[i]
-		next := bits
-		for i := uint(0); i < uint(len(b.groups)); i++ {
-			if bits&(1<<i) != 0 {
-				next |= regionInclusionBits[i]
-			}
-		}
-		if _, ok := bvs[next]; !ok {
-			bvs[next] = index(len(bvs))
-			regionInclusionBits = append(regionInclusionBits, next)
-		}
-		regionInclusionNext = append(regionInclusionNext, uint8(bvs[next]))
-	}
-	b.writeSlice("regionInclusionBits", regionInclusionBits)
-	b.writeSlice("regionInclusionNext", regionInclusionNext)
-}
-
-type parentRel struct {
-	lang       uint16
-	script     uint8
-	maxScript  uint8
-	toRegion   uint16
-	fromRegion []uint16
-}
-
-func (b *builder) writeParents() {
-	b.writeType(parentRel{})
-
-	parents := []parentRel{}
-
-	// Construct parent overrides.
-	n := 0
-	for _, p := range b.data.Supplemental().ParentLocales.ParentLocale {
-		// Skipping non-standard scripts to root is implemented using addTags.
-		if p.Parent == "root" {
-			continue
-		}
-
-		sub := strings.Split(p.Parent, "_")
-		parent := parentRel{lang: b.langIndex(sub[0])}
-		if len(sub) == 2 {
-			// TODO: check that all undefined scripts are indeed Latn in these
-			// cases.
-			parent.maxScript = uint8(b.script.index("Latn"))
-			parent.toRegion = uint16(b.region.index(sub[1]))
-		} else {
-			parent.script = uint8(b.script.index(sub[1]))
-			parent.maxScript = parent.script
-			parent.toRegion = uint16(b.region.index(sub[2]))
-		}
-		for _, c := range strings.Split(p.Locales, " ") {
-			region := b.region.index(c[strings.LastIndex(c, "_")+1:])
-			parent.fromRegion = append(parent.fromRegion, uint16(region))
-		}
-		parents = append(parents, parent)
-		n += len(parent.fromRegion)
-	}
-	b.writeSliceAddSize("parents", n*2, parents)
-}
-
-func main() {
-	gen.Init()
-
-	gen.Repackage("gen_common.go", "common.go", "language")
-
-	w := gen.NewCodeWriter()
-	defer w.WriteGoFile("tables.go", "language")
-
-	fmt.Fprintln(w, `import "golang.org/x/text/internal/tag"`)
-
-	b := newBuilder(w)
-	gen.WriteCLDRVersion(w)
-
-	b.parseIndices()
-	b.writeType(FromTo{})
-	b.writeLanguage()
-	b.writeScript()
-	b.writeRegion()
-	b.writeVariant()
-	// TODO: b.writeLocale()
-	b.computeRegionGroups()
-	b.writeLikelyData()
-	b.writeRegionInclusionData()
-	b.writeParents()
-}
diff --git a/vendor/golang.org/x/text/internal/language/gen_common.go b/vendor/golang.org/x/text/internal/language/gen_common.go
deleted file mode 100644
index c419ceeb1..000000000
--- a/vendor/golang.org/x/text/internal/language/gen_common.go
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-package main
-
-// This file contains code common to the maketables.go and the package code.
-
-// AliasType is the type of an alias in AliasMap.
-type AliasType int8
-
-const (
-	Deprecated AliasType = iota
-	Macro
-	Legacy
-
-	AliasTypeUnknown AliasType = -1
-)
diff --git a/vendor/golang.org/x/text/language/gen.go b/vendor/golang.org/x/text/language/gen.go
deleted file mode 100644
index 3004eb42c..000000000
--- a/vendor/golang.org/x/text/language/gen.go
+++ /dev/null
@@ -1,305 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// Language tag table generator.
-// Data read from the web.
-
-package main
-
-import (
-	"flag"
-	"fmt"
-	"io"
-	"log"
-	"sort"
-	"strconv"
-	"strings"
-
-	"golang.org/x/text/internal/gen"
-	"golang.org/x/text/internal/language"
-	"golang.org/x/text/unicode/cldr"
-)
-
-var (
-	test = flag.Bool("test",
-		false,
-		"test existing tables; can be used to compare web data with package data.")
-	outputFile = flag.String("output",
-		"tables.go",
-		"output file for generated tables")
-)
-
-func main() {
-	gen.Init()
-
-	w := gen.NewCodeWriter()
-	defer w.WriteGoFile("tables.go", "language")
-
-	b := newBuilder(w)
-	gen.WriteCLDRVersion(w)
-
-	b.writeConstants()
-	b.writeMatchData()
-}
-
-type builder struct {
-	w    *gen.CodeWriter
-	hw   io.Writer // MultiWriter for w and w.Hash
-	data *cldr.CLDR
-	supp *cldr.SupplementalData
-}
-
-func (b *builder) langIndex(s string) uint16 {
-	return uint16(language.MustParseBase(s))
-}
-
-func (b *builder) regionIndex(s string) int {
-	return int(language.MustParseRegion(s))
-}
-
-func (b *builder) scriptIndex(s string) int {
-	return int(language.MustParseScript(s))
-}
-
-func newBuilder(w *gen.CodeWriter) *builder {
-	r := gen.OpenCLDRCoreZip()
-	defer r.Close()
-	d := &cldr.Decoder{}
-	data, err := d.DecodeZip(r)
-	if err != nil {
-		log.Fatal(err)
-	}
-	b := builder{
-		w:    w,
-		hw:   io.MultiWriter(w, w.Hash),
-		data: data,
-		supp: data.Supplemental(),
-	}
-	return &b
-}
-
-// writeConsts computes f(v) for all v in values and writes the results
-// as constants named _v to a single constant block.
-func (b *builder) writeConsts(f func(string) int, values ...string) {
-	fmt.Fprintln(b.w, "const (")
-	for _, v := range values {
-		fmt.Fprintf(b.w, "\t_%s = %v\n", v, f(v))
-	}
-	fmt.Fprintln(b.w, ")")
-}
-
-// TODO: region inclusion data will probably not be use used in future matchers.
-
-var langConsts = []string{
-	"de", "en", "fr", "it", "mo", "no", "nb", "pt", "sh", "mul", "und",
-}
-
-var scriptConsts = []string{
-	"Latn", "Hani", "Hans", "Hant", "Qaaa", "Qaai", "Qabx", "Zinh", "Zyyy",
-	"Zzzz",
-}
-
-var regionConsts = []string{
-	"001", "419", "BR", "CA", "ES", "GB", "MD", "PT", "UK", "US",
-	"ZZ", "XA", "XC", "XK", // Unofficial tag for Kosovo.
-}
-
-func (b *builder) writeConstants() {
-	b.writeConsts(func(s string) int { return int(b.langIndex(s)) }, langConsts...)
-	b.writeConsts(b.regionIndex, regionConsts...)
-	b.writeConsts(b.scriptIndex, scriptConsts...)
-}
-
-type mutualIntelligibility struct {
-	want, have uint16
-	distance   uint8
-	oneway     bool
-}
-
-type scriptIntelligibility struct {
-	wantLang, haveLang     uint16
-	wantScript, haveScript uint8
-	distance               uint8
-	// Always oneway
-}
-
-type regionIntelligibility struct {
-	lang     uint16 // compact language id
-	script   uint8  // 0 means any
-	group    uint8  // 0 means any; if bit 7 is set it means inverse
-	distance uint8
-	// Always twoway.
-}
-
-// writeMatchData writes tables with languages and scripts for which there is
-// mutual intelligibility. The data is based on CLDR's languageMatching data.
-// Note that we use a different algorithm than the one defined by CLDR and that
-// we slightly modify the data. For example, we convert scores to confidence levels.
-// We also drop all region-related data as we use a different algorithm to
-// determine region equivalence.
-func (b *builder) writeMatchData() {
-	lm := b.supp.LanguageMatching.LanguageMatches
-	cldr.MakeSlice(&lm).SelectAnyOf("type", "written_new")
-
-	regionHierarchy := map[string][]string{}
-	for _, g := range b.supp.TerritoryContainment.Group {
-		regions := strings.Split(g.Contains, " ")
-		regionHierarchy[g.Type] = append(regionHierarchy[g.Type], regions...)
-	}
-	regionToGroups := make([]uint8, language.NumRegions)
-
-	idToIndex := map[string]uint8{}
-	for i, mv := range lm[0].MatchVariable {
-		if i > 6 {
-			log.Fatalf("Too many groups: %d", i)
-		}
-		idToIndex[mv.Id] = uint8(i + 1)
-		// TODO: also handle '-'
-		for _, r := range strings.Split(mv.Value, "+") {
-			todo := []string{r}
-			for k := 0; k < len(todo); k++ {
-				r := todo[k]
-				regionToGroups[b.regionIndex(r)] |= 1 << uint8(i)
-				todo = append(todo, regionHierarchy[r]...)
-			}
-		}
-	}
-	b.w.WriteVar("regionToGroups", regionToGroups)
-
-	// maps language id to in- and out-of-group region.
-	paradigmLocales := [][3]uint16{}
-	locales := strings.Split(lm[0].ParadigmLocales[0].Locales, " ")
-	for i := 0; i < len(locales); i += 2 {
-		x := [3]uint16{}
-		for j := 0; j < 2; j++ {
-			pc := strings.SplitN(locales[i+j], "-", 2)
-			x[0] = b.langIndex(pc[0])
-			if len(pc) == 2 {
-				x[1+j] = uint16(b.regionIndex(pc[1]))
-			}
-		}
-		paradigmLocales = append(paradigmLocales, x)
-	}
-	b.w.WriteVar("paradigmLocales", paradigmLocales)
-
-	b.w.WriteType(mutualIntelligibility{})
-	b.w.WriteType(scriptIntelligibility{})
-	b.w.WriteType(regionIntelligibility{})
-
-	matchLang := []mutualIntelligibility{}
-	matchScript := []scriptIntelligibility{}
-	matchRegion := []regionIntelligibility{}
-	// Convert the languageMatch entries in lists keyed by desired language.
-	for _, m := range lm[0].LanguageMatch {
-		// Different versions of CLDR use different separators.
-		desired := strings.Replace(m.Desired, "-", "_", -1)
-		supported := strings.Replace(m.Supported, "-", "_", -1)
-		d := strings.Split(desired, "_")
-		s := strings.Split(supported, "_")
-		if len(d) != len(s) {
-			log.Fatalf("not supported: desired=%q; supported=%q", desired, supported)
-			continue
-		}
-		distance, _ := strconv.ParseInt(m.Distance, 10, 8)
-		switch len(d) {
-		case 2:
-			if desired == supported && desired == "*_*" {
-				continue
-			}
-			// language-script pair.
-			matchScript = append(matchScript, scriptIntelligibility{
-				wantLang:   uint16(b.langIndex(d[0])),
-				haveLang:   uint16(b.langIndex(s[0])),
-				wantScript: uint8(b.scriptIndex(d[1])),
-				haveScript: uint8(b.scriptIndex(s[1])),
-				distance:   uint8(distance),
-			})
-			if m.Oneway != "true" {
-				matchScript = append(matchScript, scriptIntelligibility{
-					wantLang:   uint16(b.langIndex(s[0])),
-					haveLang:   uint16(b.langIndex(d[0])),
-					wantScript: uint8(b.scriptIndex(s[1])),
-					haveScript: uint8(b.scriptIndex(d[1])),
-					distance:   uint8(distance),
-				})
-			}
-		case 1:
-			if desired == supported && desired == "*" {
-				continue
-			}
-			if distance == 1 {
-				// nb == no is already handled by macro mapping. Check there
-				// really is only this case.
-				if d[0] != "no" || s[0] != "nb" {
-					log.Fatalf("unhandled equivalence %s == %s", s[0], d[0])
-				}
-				continue
-			}
-			// TODO: consider dropping oneway field and just doubling the entry.
-			matchLang = append(matchLang, mutualIntelligibility{
-				want:     uint16(b.langIndex(d[0])),
-				have:     uint16(b.langIndex(s[0])),
-				distance: uint8(distance),
-				oneway:   m.Oneway == "true",
-			})
-		case 3:
-			if desired == supported && desired == "*_*_*" {
-				continue
-			}
-			if desired != supported {
-				// This is now supported by CLDR, but only one case, which
-				// should already be covered by paradigm locales. For instance,
-				// test case "und, en, en-GU, en-IN, en-GB ; en-ZA ; en-GB" in
-				// testdata/CLDRLocaleMatcherTest.txt tests this.
-				if supported != "en_*_GB" {
-					log.Fatalf("not supported: desired=%q; supported=%q", desired, supported)
-				}
-				continue
-			}
-			ri := regionIntelligibility{
-				lang:     b.langIndex(d[0]),
-				distance: uint8(distance),
-			}
-			if d[1] != "*" {
-				ri.script = uint8(b.scriptIndex(d[1]))
-			}
-			switch {
-			case d[2] == "*":
-				ri.group = 0x80 // not contained in anything
-			case strings.HasPrefix(d[2], "$!"):
-				ri.group = 0x80
-				d[2] = "$" + d[2][len("$!"):]
-				fallthrough
-			case strings.HasPrefix(d[2], "$"):
-				ri.group |= idToIndex[d[2]]
-			}
-			matchRegion = append(matchRegion, ri)
-		default:
-			log.Fatalf("not supported: desired=%q; supported=%q", desired, supported)
-		}
-	}
-	sort.SliceStable(matchLang, func(i, j int) bool {
-		return matchLang[i].distance < matchLang[j].distance
-	})
-	b.w.WriteComment(`
-		matchLang holds pairs of langIDs of base languages that are typically
-		mutually intelligible. Each pair is associated with a confidence and
-		whether the intelligibility goes one or both ways.`)
-	b.w.WriteVar("matchLang", matchLang)
-
-	b.w.WriteComment(`
-		matchScript holds pairs of scriptIDs where readers of one script
-		can typically also read the other. Each is associated with a confidence.`)
-	sort.SliceStable(matchScript, func(i, j int) bool {
-		return matchScript[i].distance < matchScript[j].distance
-	})
-	b.w.WriteVar("matchScript", matchScript)
-
-	sort.SliceStable(matchRegion, func(i, j int) bool {
-		return matchRegion[i].distance < matchRegion[j].distance
-	})
-	b.w.WriteVar("matchRegion", matchRegion)
-}
diff --git a/vendor/golang.org/x/text/unicode/bidi/gen.go b/vendor/golang.org/x/text/unicode/bidi/gen.go
deleted file mode 100644
index 987fc169c..000000000
--- a/vendor/golang.org/x/text/unicode/bidi/gen.go
+++ /dev/null
@@ -1,133 +0,0 @@
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-package main
-
-import (
-	"flag"
-	"log"
-
-	"golang.org/x/text/internal/gen"
-	"golang.org/x/text/internal/triegen"
-	"golang.org/x/text/internal/ucd"
-)
-
-var outputFile = flag.String("out", "tables.go", "output file")
-
-func main() {
-	gen.Init()
-	gen.Repackage("gen_trieval.go", "trieval.go", "bidi")
-	gen.Repackage("gen_ranges.go", "ranges_test.go", "bidi")
-
-	genTables()
-}
-
-// bidiClass names and codes taken from class "bc" in
-// https://www.unicode.org/Public/8.0.0/ucd/PropertyValueAliases.txt
-var bidiClass = map[string]Class{
-	"AL":  AL,  // ArabicLetter
-	"AN":  AN,  // ArabicNumber
-	"B":   B,   // ParagraphSeparator
-	"BN":  BN,  // BoundaryNeutral
-	"CS":  CS,  // CommonSeparator
-	"EN":  EN,  // EuropeanNumber
-	"ES":  ES,  // EuropeanSeparator
-	"ET":  ET,  // EuropeanTerminator
-	"L":   L,   // LeftToRight
-	"NSM": NSM, // NonspacingMark
-	"ON":  ON,  // OtherNeutral
-	"R":   R,   // RightToLeft
-	"S":   S,   // SegmentSeparator
-	"WS":  WS,  // WhiteSpace
-
-	"FSI": Control,
-	"PDF": Control,
-	"PDI": Control,
-	"LRE": Control,
-	"LRI": Control,
-	"LRO": Control,
-	"RLE": Control,
-	"RLI": Control,
-	"RLO": Control,
-}
-
-func genTables() {
-	if numClass > 0x0F {
-		log.Fatalf("Too many Class constants (%#x > 0x0F).", numClass)
-	}
-	w := gen.NewCodeWriter()
-	defer w.WriteVersionedGoFile(*outputFile, "bidi")
-
-	gen.WriteUnicodeVersion(w)
-
-	t := triegen.NewTrie("bidi")
-
-	// Build data about bracket mapping. These bits need to be or-ed with
-	// any other bits.
-	orMask := map[rune]uint64{}
-
-	xorMap := map[rune]int{}
-	xorMasks := []rune{0} // First value is no-op.
-
-	ucd.Parse(gen.OpenUCDFile("BidiBrackets.txt"), func(p *ucd.Parser) {
-		r1 := p.Rune(0)
-		r2 := p.Rune(1)
-		xor := r1 ^ r2
-		if _, ok := xorMap[xor]; !ok {
-			xorMap[xor] = len(xorMasks)
-			xorMasks = append(xorMasks, xor)
-		}
-		entry := uint64(xorMap[xor]) << xorMaskShift
-		switch p.String(2) {
-		case "o":
-			entry |= openMask
-		case "c", "n":
-		default:
-			log.Fatalf("Unknown bracket class %q.", p.String(2))
-		}
-		orMask[r1] = entry
-	})
-
-	w.WriteComment(`
-	xorMasks contains masks to be xor-ed with brackets to get the reverse
-	version.`)
-	w.WriteVar("xorMasks", xorMasks)
-
-	done := map[rune]bool{}
-
-	insert := func(r rune, c Class) {
-		if !done[r] {
-			t.Insert(r, orMask[r]|uint64(c))
-			done[r] = true
-		}
-	}
-
-	// Insert the derived BiDi properties.
-	ucd.Parse(gen.OpenUCDFile("extracted/DerivedBidiClass.txt"), func(p *ucd.Parser) {
-		r := p.Rune(0)
-		class, ok := bidiClass[p.String(1)]
-		if !ok {
-			log.Fatalf("%U: Unknown BiDi class %q", r, p.String(1))
-		}
-		insert(r, class)
-	})
-	visitDefaults(insert)
-
-	// TODO: use sparse blocks. This would reduce table size considerably
-	// from the looks of it.
-
-	sz, err := t.Gen(w)
-	if err != nil {
-		log.Fatal(err)
-	}
-	w.Size += sz
-}
-
-// dummy values to make methods in gen_common compile. The real versions
-// will be generated by this file to tables.go.
-var (
-	xorMasks []rune
-)
diff --git a/vendor/golang.org/x/text/unicode/bidi/gen_ranges.go b/vendor/golang.org/x/text/unicode/bidi/gen_ranges.go
deleted file mode 100644
index 02c3b505d..000000000
--- a/vendor/golang.org/x/text/unicode/bidi/gen_ranges.go
+++ /dev/null
@@ -1,57 +0,0 @@
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-package main
-
-import (
-	"unicode"
-
-	"golang.org/x/text/internal/gen"
-	"golang.org/x/text/internal/ucd"
-	"golang.org/x/text/unicode/rangetable"
-)
-
-// These tables are hand-extracted from:
-// https://www.unicode.org/Public/8.0.0/ucd/extracted/DerivedBidiClass.txt
-func visitDefaults(fn func(r rune, c Class)) {
-	// first write default values for ranges listed above.
-	visitRunes(fn, AL, []rune{
-		0x0600, 0x07BF, // Arabic
-		0x08A0, 0x08FF, // Arabic Extended-A
-		0xFB50, 0xFDCF, // Arabic Presentation Forms
-		0xFDF0, 0xFDFF,
-		0xFE70, 0xFEFF,
-		0x0001EE00, 0x0001EEFF, // Arabic Mathematical Alpha Symbols
-	})
-	visitRunes(fn, R, []rune{
-		0x0590, 0x05FF, // Hebrew
-		0x07C0, 0x089F, // Nko et al.
-		0xFB1D, 0xFB4F,
-		0x00010800, 0x00010FFF, // Cypriot Syllabary et. al.
-		0x0001E800, 0x0001EDFF,
-		0x0001EF00, 0x0001EFFF,
-	})
-	visitRunes(fn, ET, []rune{ // European Terminator
-		0x20A0, 0x20Cf, // Currency symbols
-	})
-	rangetable.Visit(unicode.Noncharacter_Code_Point, func(r rune) {
-		fn(r, BN) // Boundary Neutral
-	})
-	ucd.Parse(gen.OpenUCDFile("DerivedCoreProperties.txt"), func(p *ucd.Parser) {
-		if p.String(1) == "Default_Ignorable_Code_Point" {
-			fn(p.Rune(0), BN) // Boundary Neutral
-		}
-	})
-}
-
-func visitRunes(fn func(r rune, c Class), c Class, runes []rune) {
-	for i := 0; i < len(runes); i += 2 {
-		lo, hi := runes[i], runes[i+1]
-		for j := lo; j <= hi; j++ {
-			fn(j, c)
-		}
-	}
-}
diff --git a/vendor/golang.org/x/text/unicode/bidi/gen_trieval.go b/vendor/golang.org/x/text/unicode/bidi/gen_trieval.go
deleted file mode 100644
index 9cb994289..000000000
--- a/vendor/golang.org/x/text/unicode/bidi/gen_trieval.go
+++ /dev/null
@@ -1,64 +0,0 @@
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-package main
-
-// Class is the Unicode BiDi class. Each rune has a single class.
-type Class uint
-
-const (
-	L       Class = iota // LeftToRight
-	R                    // RightToLeft
-	EN                   // EuropeanNumber
-	ES                   // EuropeanSeparator
-	ET                   // EuropeanTerminator
-	AN                   // ArabicNumber
-	CS                   // CommonSeparator
-	B                    // ParagraphSeparator
-	S                    // SegmentSeparator
-	WS                   // WhiteSpace
-	ON                   // OtherNeutral
-	BN                   // BoundaryNeutral
-	NSM                  // NonspacingMark
-	AL                   // ArabicLetter
-	Control              // Control LRO - PDI
-
-	numClass
-
-	LRO // LeftToRightOverride
-	RLO // RightToLeftOverride
-	LRE // LeftToRightEmbedding
-	RLE // RightToLeftEmbedding
-	PDF // PopDirectionalFormat
-	LRI // LeftToRightIsolate
-	RLI // RightToLeftIsolate
-	FSI // FirstStrongIsolate
-	PDI // PopDirectionalIsolate
-
-	unknownClass = ^Class(0)
-)
-
-var controlToClass = map[rune]Class{
-	0x202D: LRO, // LeftToRightOverride,
-	0x202E: RLO, // RightToLeftOverride,
-	0x202A: LRE, // LeftToRightEmbedding,
-	0x202B: RLE, // RightToLeftEmbedding,
-	0x202C: PDF, // PopDirectionalFormat,
-	0x2066: LRI, // LeftToRightIsolate,
-	0x2067: RLI, // RightToLeftIsolate,
-	0x2068: FSI, // FirstStrongIsolate,
-	0x2069: PDI, // PopDirectionalIsolate,
-}
-
-// A trie entry has the following bits:
-// 7..5  XOR mask for brackets
-// 4     1: Bracket open, 0: Bracket close
-// 3..0  Class type
-
-const (
-	openMask     = 0x10
-	xorMaskShift = 5
-)
diff --git a/vendor/golang.org/x/text/unicode/norm/maketables.go b/vendor/golang.org/x/text/unicode/norm/maketables.go
deleted file mode 100644
index 30a3aa933..000000000
--- a/vendor/golang.org/x/text/unicode/norm/maketables.go
+++ /dev/null
@@ -1,986 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// Normalization table generator.
-// Data read from the web.
-// See forminfo.go for a description of the trie values associated with each rune.
-
-package main
-
-import (
-	"bytes"
-	"encoding/binary"
-	"flag"
-	"fmt"
-	"io"
-	"log"
-	"sort"
-	"strconv"
-	"strings"
-
-	"golang.org/x/text/internal/gen"
-	"golang.org/x/text/internal/triegen"
-	"golang.org/x/text/internal/ucd"
-)
-
-func main() {
-	gen.Init()
-	loadUnicodeData()
-	compactCCC()
-	loadCompositionExclusions()
-	completeCharFields(FCanonical)
-	completeCharFields(FCompatibility)
-	computeNonStarterCounts()
-	verifyComputed()
-	printChars()
-	testDerived()
-	printTestdata()
-	makeTables()
-}
-
-var (
-	tablelist = flag.String("tables",
-		"all",
-		"comma-separated list of which tables to generate; "+
-			"can be 'decomp', 'recomp', 'info' and 'all'")
-	test = flag.Bool("test",
-		false,
-		"test existing tables against DerivedNormalizationProps and generate test data for regression testing")
-	verbose = flag.Bool("verbose",
-		false,
-		"write data to stdout as it is parsed")
-)
-
-const MaxChar = 0x10FFFF // anything above this shouldn't exist
-
-// Quick Check properties of runes allow us to quickly
-// determine whether a rune may occur in a normal form.
-// For a given normal form, a rune may be guaranteed to occur
-// verbatim (QC=Yes), may or may not combine with another
-// rune (QC=Maybe), or may not occur (QC=No).
-type QCResult int
-
-const (
-	QCUnknown QCResult = iota
-	QCYes
-	QCNo
-	QCMaybe
-)
-
-func (r QCResult) String() string {
-	switch r {
-	case QCYes:
-		return "Yes"
-	case QCNo:
-		return "No"
-	case QCMaybe:
-		return "Maybe"
-	}
-	return "***UNKNOWN***"
-}
-
-const (
-	FCanonical     = iota // NFC or NFD
-	FCompatibility        // NFKC or NFKD
-	FNumberOfFormTypes
-)
-
-const (
-	MComposed   = iota // NFC or NFKC
-	MDecomposed        // NFD or NFKD
-	MNumberOfModes
-)
-
-// This contains only the properties we're interested in.
-type Char struct {
-	name          string
-	codePoint     rune  // if zero, this index is not a valid code point.
-	ccc           uint8 // canonical combining class
-	origCCC       uint8
-	excludeInComp bool // from CompositionExclusions.txt
-	compatDecomp  bool // it has a compatibility expansion
-
-	nTrailingNonStarters uint8
-	nLeadingNonStarters  uint8 // must be equal to trailing if non-zero
-
-	forms [FNumberOfFormTypes]FormInfo // For FCanonical and FCompatibility
-
-	state State
-}
-
-var chars = make([]Char, MaxChar+1)
-var cccMap = make(map[uint8]uint8)
-
-func (c Char) String() string {
-	buf := new(bytes.Buffer)
-
-	fmt.Fprintf(buf, "%U [%s]:\n", c.codePoint, c.name)
-	fmt.Fprintf(buf, "  ccc: %v\n", c.ccc)
-	fmt.Fprintf(buf, "  excludeInComp: %v\n", c.excludeInComp)
-	fmt.Fprintf(buf, "  compatDecomp: %v\n", c.compatDecomp)
-	fmt.Fprintf(buf, "  state: %v\n", c.state)
-	fmt.Fprintf(buf, "  NFC:\n")
-	fmt.Fprint(buf, c.forms[FCanonical])
-	fmt.Fprintf(buf, "  NFKC:\n")
-	fmt.Fprint(buf, c.forms[FCompatibility])
-
-	return buf.String()
-}
-
-// In UnicodeData.txt, some ranges are marked like this:
-//	3400;<CJK Ideograph Extension A, First>;Lo;0;L;;;;;N;;;;;
-//	4DB5;<CJK Ideograph Extension A, Last>;Lo;0;L;;;;;N;;;;;
-// parseCharacter keeps a state variable indicating the weirdness.
-type State int
-
-const (
-	SNormal State = iota // known to be zero for the type
-	SFirst
-	SLast
-	SMissing
-)
-
-var lastChar = rune('\u0000')
-
-func (c Char) isValid() bool {
-	return c.codePoint != 0 && c.state != SMissing
-}
-
-type FormInfo struct {
-	quickCheck [MNumberOfModes]QCResult // index: MComposed or MDecomposed
-	verified   [MNumberOfModes]bool     // index: MComposed or MDecomposed
-
-	combinesForward  bool // May combine with rune on the right
-	combinesBackward bool // May combine with rune on the left
-	isOneWay         bool // Never appears in result
-	inDecomp         bool // Some decompositions result in this char.
-	decomp           Decomposition
-	expandedDecomp   Decomposition
-}
-
-func (f FormInfo) String() string {
-	buf := bytes.NewBuffer(make([]byte, 0))
-
-	fmt.Fprintf(buf, "    quickCheck[C]: %v\n", f.quickCheck[MComposed])
-	fmt.Fprintf(buf, "    quickCheck[D]: %v\n", f.quickCheck[MDecomposed])
-	fmt.Fprintf(buf, "    cmbForward: %v\n", f.combinesForward)
-	fmt.Fprintf(buf, "    cmbBackward: %v\n", f.combinesBackward)
-	fmt.Fprintf(buf, "    isOneWay: %v\n", f.isOneWay)
-	fmt.Fprintf(buf, "    inDecomp: %v\n", f.inDecomp)
-	fmt.Fprintf(buf, "    decomposition: %X\n", f.decomp)
-	fmt.Fprintf(buf, "    expandedDecomp: %X\n", f.expandedDecomp)
-
-	return buf.String()
-}
-
-type Decomposition []rune
-
-func parseDecomposition(s string, skipfirst bool) (a []rune, err error) {
-	decomp := strings.Split(s, " ")
-	if len(decomp) > 0 && skipfirst {
-		decomp = decomp[1:]
-	}
-	for _, d := range decomp {
-		point, err := strconv.ParseUint(d, 16, 64)
-		if err != nil {
-			return a, err
-		}
-		a = append(a, rune(point))
-	}
-	return a, nil
-}
-
-func loadUnicodeData() {
-	f := gen.OpenUCDFile("UnicodeData.txt")
-	defer f.Close()
-	p := ucd.New(f)
-	for p.Next() {
-		r := p.Rune(ucd.CodePoint)
-		char := &chars[r]
-
-		char.ccc = uint8(p.Uint(ucd.CanonicalCombiningClass))
-		decmap := p.String(ucd.DecompMapping)
-
-		exp, err := parseDecomposition(decmap, false)
-		isCompat := false
-		if err != nil {
-			if len(decmap) > 0 {
-				exp, err = parseDecomposition(decmap, true)
-				if err != nil {
-					log.Fatalf(`%U: bad decomp |%v|: "%s"`, r, decmap, err)
-				}
-				isCompat = true
-			}
-		}
-
-		char.name = p.String(ucd.Name)
-		char.codePoint = r
-		char.forms[FCompatibility].decomp = exp
-		if !isCompat {
-			char.forms[FCanonical].decomp = exp
-		} else {
-			char.compatDecomp = true
-		}
-		if len(decmap) > 0 {
-			char.forms[FCompatibility].decomp = exp
-		}
-	}
-	if err := p.Err(); err != nil {
-		log.Fatal(err)
-	}
-}
-
-// compactCCC converts the sparse set of CCC values to a continguous one,
-// reducing the number of bits needed from 8 to 6.
-func compactCCC() {
-	m := make(map[uint8]uint8)
-	for i := range chars {
-		c := &chars[i]
-		m[c.ccc] = 0
-	}
-	cccs := []int{}
-	for v, _ := range m {
-		cccs = append(cccs, int(v))
-	}
-	sort.Ints(cccs)
-	for i, c := range cccs {
-		cccMap[uint8(i)] = uint8(c)
-		m[uint8(c)] = uint8(i)
-	}
-	for i := range chars {
-		c := &chars[i]
-		c.origCCC = c.ccc
-		c.ccc = m[c.ccc]
-	}
-	if len(m) >= 1<<6 {
-		log.Fatalf("too many difference CCC values: %d >= 64", len(m))
-	}
-}
-
-// CompositionExclusions.txt has form:
-// 0958    # ...
-// See https://unicode.org/reports/tr44/ for full explanation
-func loadCompositionExclusions() {
-	f := gen.OpenUCDFile("CompositionExclusions.txt")
-	defer f.Close()
-	p := ucd.New(f)
-	for p.Next() {
-		c := &chars[p.Rune(0)]
-		if c.excludeInComp {
-			log.Fatalf("%U: Duplicate entry in exclusions.", c.codePoint)
-		}
-		c.excludeInComp = true
-	}
-	if e := p.Err(); e != nil {
-		log.Fatal(e)
-	}
-}
-
-// hasCompatDecomp returns true if any of the recursive
-// decompositions contains a compatibility expansion.
-// In this case, the character may not occur in NFK*.
-func hasCompatDecomp(r rune) bool {
-	c := &chars[r]
-	if c.compatDecomp {
-		return true
-	}
-	for _, d := range c.forms[FCompatibility].decomp {
-		if hasCompatDecomp(d) {
-			return true
-		}
-	}
-	return false
-}
-
-// Hangul related constants.
-const (
-	HangulBase = 0xAC00
-	HangulEnd  = 0xD7A4 // hangulBase + Jamo combinations (19 * 21 * 28)
-
-	JamoLBase = 0x1100
-	JamoLEnd  = 0x1113
-	JamoVBase = 0x1161
-	JamoVEnd  = 0x1176
-	JamoTBase = 0x11A8
-	JamoTEnd  = 0x11C3
-
-	JamoLVTCount = 19 * 21 * 28
-	JamoTCount   = 28
-)
-
-func isHangul(r rune) bool {
-	return HangulBase <= r && r < HangulEnd
-}
-
-func isHangulWithoutJamoT(r rune) bool {
-	if !isHangul(r) {
-		return false
-	}
-	r -= HangulBase
-	return r < JamoLVTCount && r%JamoTCount == 0
-}
-
-func ccc(r rune) uint8 {
-	return chars[r].ccc
-}
-
-// Insert a rune in a buffer, ordered by Canonical Combining Class.
-func insertOrdered(b Decomposition, r rune) Decomposition {
-	n := len(b)
-	b = append(b, 0)
-	cc := ccc(r)
-	if cc > 0 {
-		// Use bubble sort.
-		for ; n > 0; n-- {
-			if ccc(b[n-1]) <= cc {
-				break
-			}
-			b[n] = b[n-1]
-		}
-	}
-	b[n] = r
-	return b
-}
-
-// Recursively decompose.
-func decomposeRecursive(form int, r rune, d Decomposition) Decomposition {
-	dcomp := chars[r].forms[form].decomp
-	if len(dcomp) == 0 {
-		return insertOrdered(d, r)
-	}
-	for _, c := range dcomp {
-		d = decomposeRecursive(form, c, d)
-	}
-	return d
-}
-
-func completeCharFields(form int) {
-	// Phase 0: pre-expand decomposition.
-	for i := range chars {
-		f := &chars[i].forms[form]
-		if len(f.decomp) == 0 {
-			continue
-		}
-		exp := make(Decomposition, 0)
-		for _, c := range f.decomp {
-			exp = decomposeRecursive(form, c, exp)
-		}
-		f.expandedDecomp = exp
-	}
-
-	// Phase 1: composition exclusion, mark decomposition.
-	for i := range chars {
-		c := &chars[i]
-		f := &c.forms[form]
-
-		// Marks script-specific exclusions and version restricted.
-		f.isOneWay = c.excludeInComp
-
-		// Singletons
-		f.isOneWay = f.isOneWay || len(f.decomp) == 1
-
-		// Non-starter decompositions
-		if len(f.decomp) > 1 {
-			chk := c.ccc != 0 || chars[f.decomp[0]].ccc != 0
-			f.isOneWay = f.isOneWay || chk
-		}
-
-		// Runes that decompose into more than two runes.
-		f.isOneWay = f.isOneWay || len(f.decomp) > 2
-
-		if form == FCompatibility {
-			f.isOneWay = f.isOneWay || hasCompatDecomp(c.codePoint)
-		}
-
-		for _, r := range f.decomp {
-			chars[r].forms[form].inDecomp = true
-		}
-	}
-
-	// Phase 2: forward and backward combining.
-	for i := range chars {
-		c := &chars[i]
-		f := &c.forms[form]
-
-		if !f.isOneWay && len(f.decomp) == 2 {
-			f0 := &chars[f.decomp[0]].forms[form]
-			f1 := &chars[f.decomp[1]].forms[form]
-			if !f0.isOneWay {
-				f0.combinesForward = true
-			}
-			if !f1.isOneWay {
-				f1.combinesBackward = true
-			}
-		}
-		if isHangulWithoutJamoT(rune(i)) {
-			f.combinesForward = true
-		}
-	}
-
-	// Phase 3: quick check values.
-	for i := range chars {
-		c := &chars[i]
-		f := &c.forms[form]
-
-		switch {
-		case len(f.decomp) > 0:
-			f.quickCheck[MDecomposed] = QCNo
-		case isHangul(rune(i)):
-			f.quickCheck[MDecomposed] = QCNo
-		default:
-			f.quickCheck[MDecomposed] = QCYes
-		}
-		switch {
-		case f.isOneWay:
-			f.quickCheck[MComposed] = QCNo
-		case (i & 0xffff00) == JamoLBase:
-			f.quickCheck[MComposed] = QCYes
-			if JamoLBase <= i && i < JamoLEnd {
-				f.combinesForward = true
-			}
-			if JamoVBase <= i && i < JamoVEnd {
-				f.quickCheck[MComposed] = QCMaybe
-				f.combinesBackward = true
-				f.combinesForward = true
-			}
-			if JamoTBase <= i && i < JamoTEnd {
-				f.quickCheck[MComposed] = QCMaybe
-				f.combinesBackward = true
-			}
-		case !f.combinesBackward:
-			f.quickCheck[MComposed] = QCYes
-		default:
-			f.quickCheck[MComposed] = QCMaybe
-		}
-	}
-}
-
-func computeNonStarterCounts() {
-	// Phase 4: leading and trailing non-starter count
-	for i := range chars {
-		c := &chars[i]
-
-		runes := []rune{rune(i)}
-		// We always use FCompatibility so that the CGJ insertion points do not
-		// change for repeated normalizations with different forms.
-		if exp := c.forms[FCompatibility].expandedDecomp; len(exp) > 0 {
-			runes = exp
-		}
-		// We consider runes that combine backwards to be non-starters for the
-		// purpose of Stream-Safe Text Processing.
-		for _, r := range runes {
-			if cr := &chars[r]; cr.ccc == 0 && !cr.forms[FCompatibility].combinesBackward {
-				break
-			}
-			c.nLeadingNonStarters++
-		}
-		for i := len(runes) - 1; i >= 0; i-- {
-			if cr := &chars[runes[i]]; cr.ccc == 0 && !cr.forms[FCompatibility].combinesBackward {
-				break
-			}
-			c.nTrailingNonStarters++
-		}
-		if c.nTrailingNonStarters > 3 {
-			log.Fatalf("%U: Decomposition with more than 3 (%d) trailing modifiers (%U)", i, c.nTrailingNonStarters, runes)
-		}
-
-		if isHangul(rune(i)) {
-			c.nTrailingNonStarters = 2
-			if isHangulWithoutJamoT(rune(i)) {
-				c.nTrailingNonStarters = 1
-			}
-		}
-
-		if l, t := c.nLeadingNonStarters, c.nTrailingNonStarters; l > 0 && l != t {
-			log.Fatalf("%U: number of leading and trailing non-starters should be equal (%d vs %d)", i, l, t)
-		}
-		if t := c.nTrailingNonStarters; t > 3 {
-			log.Fatalf("%U: number of trailing non-starters is %d > 3", t)
-		}
-	}
-}
-
-func printBytes(w io.Writer, b []byte, name string) {
-	fmt.Fprintf(w, "// %s: %d bytes\n", name, len(b))
-	fmt.Fprintf(w, "var %s = [...]byte {", name)
-	for i, c := range b {
-		switch {
-		case i%64 == 0:
-			fmt.Fprintf(w, "\n// Bytes %x - %x\n", i, i+63)
-		case i%8 == 0:
-			fmt.Fprintf(w, "\n")
-		}
-		fmt.Fprintf(w, "0x%.2X, ", c)
-	}
-	fmt.Fprint(w, "\n}\n\n")
-}
-
-// See forminfo.go for format.
-func makeEntry(f *FormInfo, c *Char) uint16 {
-	e := uint16(0)
-	if r := c.codePoint; HangulBase <= r && r < HangulEnd {
-		e |= 0x40
-	}
-	if f.combinesForward {
-		e |= 0x20
-	}
-	if f.quickCheck[MDecomposed] == QCNo {
-		e |= 0x4
-	}
-	switch f.quickCheck[MComposed] {
-	case QCYes:
-	case QCNo:
-		e |= 0x10
-	case QCMaybe:
-		e |= 0x18
-	default:
-		log.Fatalf("Illegal quickcheck value %v.", f.quickCheck[MComposed])
-	}
-	e |= uint16(c.nTrailingNonStarters)
-	return e
-}
-
-// decompSet keeps track of unique decompositions, grouped by whether
-// the decomposition is followed by a trailing and/or leading CCC.
-type decompSet [7]map[string]bool
-
-const (
-	normalDecomp = iota
-	firstMulti
-	firstCCC
-	endMulti
-	firstLeadingCCC
-	firstCCCZeroExcept
-	firstStarterWithNLead
-	lastDecomp
-)
-
-var cname = []string{"firstMulti", "firstCCC", "endMulti", "firstLeadingCCC", "firstCCCZeroExcept", "firstStarterWithNLead", "lastDecomp"}
-
-func makeDecompSet() decompSet {
-	m := decompSet{}
-	for i := range m {
-		m[i] = make(map[string]bool)
-	}
-	return m
-}
-func (m *decompSet) insert(key int, s string) {
-	m[key][s] = true
-}
-
-func printCharInfoTables(w io.Writer) int {
-	mkstr := func(r rune, f *FormInfo) (int, string) {
-		d := f.expandedDecomp
-		s := string([]rune(d))
-		if max := 1 << 6; len(s) >= max {
-			const msg = "%U: too many bytes in decomposition: %d >= %d"
-			log.Fatalf(msg, r, len(s), max)
-		}
-		head := uint8(len(s))
-		if f.quickCheck[MComposed] != QCYes {
-			head |= 0x40
-		}
-		if f.combinesForward {
-			head |= 0x80
-		}
-		s = string([]byte{head}) + s
-
-		lccc := ccc(d[0])
-		tccc := ccc(d[len(d)-1])
-		cc := ccc(r)
-		if cc != 0 && lccc == 0 && tccc == 0 {
-			log.Fatalf("%U: trailing and leading ccc are 0 for non-zero ccc %d", r, cc)
-		}
-		if tccc < lccc && lccc != 0 {
-			const msg = "%U: lccc (%d) must be <= tcc (%d)"
-			log.Fatalf(msg, r, lccc, tccc)
-		}
-		index := normalDecomp
-		nTrail := chars[r].nTrailingNonStarters
-		nLead := chars[r].nLeadingNonStarters
-		if tccc > 0 || lccc > 0 || nTrail > 0 {
-			tccc <<= 2
-			tccc |= nTrail
-			s += string([]byte{tccc})
-			index = endMulti
-			for _, r := range d[1:] {
-				if ccc(r) == 0 {
-					index = firstCCC
-				}
-			}
-			if lccc > 0 || nLead > 0 {
-				s += string([]byte{lccc})
-				if index == firstCCC {
-					log.Fatalf("%U: multi-segment decomposition not supported for decompositions with leading CCC != 0", r)
-				}
-				index = firstLeadingCCC
-			}
-			if cc != lccc {
-				if cc != 0 {
-					log.Fatalf("%U: for lccc != ccc, expected ccc to be 0; was %d", r, cc)
-				}
-				index = firstCCCZeroExcept
-			}
-		} else if len(d) > 1 {
-			index = firstMulti
-		}
-		return index, s
-	}
-
-	decompSet := makeDecompSet()
-	const nLeadStr = "\x00\x01" // 0-byte length and tccc with nTrail.
-	decompSet.insert(firstStarterWithNLead, nLeadStr)
-
-	// Store the uniqued decompositions in a byte buffer,
-	// preceded by their byte length.
-	for _, c := range chars {
-		for _, f := range c.forms {
-			if len(f.expandedDecomp) == 0 {
-				continue
-			}
-			if f.combinesBackward {
-				log.Fatalf("%U: combinesBackward and decompose", c.codePoint)
-			}
-			index, s := mkstr(c.codePoint, &f)
-			decompSet.insert(index, s)
-		}
-	}
-
-	decompositions := bytes.NewBuffer(make([]byte, 0, 10000))
-	size := 0
-	positionMap := make(map[string]uint16)
-	decompositions.WriteString("\000")
-	fmt.Fprintln(w, "const (")
-	for i, m := range decompSet {
-		sa := []string{}
-		for s := range m {
-			sa = append(sa, s)
-		}
-		sort.Strings(sa)
-		for _, s := range sa {
-			p := decompositions.Len()
-			decompositions.WriteString(s)
-			positionMap[s] = uint16(p)
-		}
-		if cname[i] != "" {
-			fmt.Fprintf(w, "%s = 0x%X\n", cname[i], decompositions.Len())
-		}
-	}
-	fmt.Fprintln(w, "maxDecomp = 0x8000")
-	fmt.Fprintln(w, ")")
-	b := decompositions.Bytes()
-	printBytes(w, b, "decomps")
-	size += len(b)
-
-	varnames := []string{"nfc", "nfkc"}
-	for i := 0; i < FNumberOfFormTypes; i++ {
-		trie := triegen.NewTrie(varnames[i])
-
-		for r, c := range chars {
-			f := c.forms[i]
-			d := f.expandedDecomp
-			if len(d) != 0 {
-				_, key := mkstr(c.codePoint, &f)
-				trie.Insert(rune(r), uint64(positionMap[key]))
-				if c.ccc != ccc(d[0]) {
-					// We assume the lead ccc of a decomposition !=0 in this case.
-					if ccc(d[0]) == 0 {
-						log.Fatalf("Expected leading CCC to be non-zero; ccc is %d", c.ccc)
-					}
-				}
-			} else if c.nLeadingNonStarters > 0 && len(f.expandedDecomp) == 0 && c.ccc == 0 && !f.combinesBackward {
-				// Handle cases where it can't be detected that the nLead should be equal
-				// to nTrail.
-				trie.Insert(c.codePoint, uint64(positionMap[nLeadStr]))
-			} else if v := makeEntry(&f, &c)<<8 | uint16(c.ccc); v != 0 {
-				trie.Insert(c.codePoint, uint64(0x8000|v))
-			}
-		}
-		sz, err := trie.Gen(w, triegen.Compact(&normCompacter{name: varnames[i]}))
-		if err != nil {
-			log.Fatal(err)
-		}
-		size += sz
-	}
-	return size
-}
-
-func contains(sa []string, s string) bool {
-	for _, a := range sa {
-		if a == s {
-			return true
-		}
-	}
-	return false
-}
-
-func makeTables() {
-	w := &bytes.Buffer{}
-
-	size := 0
-	if *tablelist == "" {
-		return
-	}
-	list := strings.Split(*tablelist, ",")
-	if *tablelist == "all" {
-		list = []string{"recomp", "info"}
-	}
-
-	// Compute maximum decomposition size.
-	max := 0
-	for _, c := range chars {
-		if n := len(string(c.forms[FCompatibility].expandedDecomp)); n > max {
-			max = n
-		}
-	}
-	fmt.Fprintln(w, `import "sync"`)
-	fmt.Fprintln(w)
-
-	fmt.Fprintln(w, "const (")
-	fmt.Fprintln(w, "\t// Version is the Unicode edition from which the tables are derived.")
-	fmt.Fprintf(w, "\tVersion = %q\n", gen.UnicodeVersion())
-	fmt.Fprintln(w)
-	fmt.Fprintln(w, "\t// MaxTransformChunkSize indicates the maximum number of bytes that Transform")
-	fmt.Fprintln(w, "\t// may need to write atomically for any Form. Making a destination buffer at")
-	fmt.Fprintln(w, "\t// least this size ensures that Transform can always make progress and that")
-	fmt.Fprintln(w, "\t// the user does not need to grow the buffer on an ErrShortDst.")
-	fmt.Fprintf(w, "\tMaxTransformChunkSize = %d+maxNonStarters*4\n", len(string(0x034F))+max)
-	fmt.Fprintln(w, ")\n")
-
-	// Print the CCC remap table.
-	size += len(cccMap)
-	fmt.Fprintf(w, "var ccc = [%d]uint8{", len(cccMap))
-	for i := 0; i < len(cccMap); i++ {
-		if i%8 == 0 {
-			fmt.Fprintln(w)
-		}
-		fmt.Fprintf(w, "%3d, ", cccMap[uint8(i)])
-	}
-	fmt.Fprintln(w, "\n}\n")
-
-	if contains(list, "info") {
-		size += printCharInfoTables(w)
-	}
-
-	if contains(list, "recomp") {
-		// Note that we use 32 bit keys, instead of 64 bit.
-		// This clips the bits of three entries, but we know
-		// this won't cause a collision. The compiler will catch
-		// any changes made to UnicodeData.txt that introduces
-		// a collision.
-		// Note that the recomposition map for NFC and NFKC
-		// are identical.
-
-		// Recomposition map
-		nrentries := 0
-		for _, c := range chars {
-			f := c.forms[FCanonical]
-			if !f.isOneWay && len(f.decomp) > 0 {
-				nrentries++
-			}
-		}
-		sz := nrentries * 8
-		size += sz
-		fmt.Fprintf(w, "// recompMap: %d bytes (entries only)\n", sz)
-		fmt.Fprintln(w, "var recompMap map[uint32]rune")
-		fmt.Fprintln(w, "var recompMapOnce sync.Once\n")
-		fmt.Fprintln(w, `const recompMapPacked = "" +`)
-		var buf [8]byte
-		for i, c := range chars {
-			f := c.forms[FCanonical]
-			d := f.decomp
-			if !f.isOneWay && len(d) > 0 {
-				key := uint32(uint16(d[0]))<<16 + uint32(uint16(d[1]))
-				binary.BigEndian.PutUint32(buf[:4], key)
-				binary.BigEndian.PutUint32(buf[4:], uint32(i))
-				fmt.Fprintf(w, "\t\t%q + // 0x%.8X: 0x%.8X\n", string(buf[:]), key, uint32(i))
-			}
-		}
-		// hack so we don't have to special case the trailing plus sign
-		fmt.Fprintf(w, `	""`)
-		fmt.Fprintln(w)
-	}
-
-	fmt.Fprintf(w, "// Total size of tables: %dKB (%d bytes)\n", (size+512)/1024, size)
-	gen.WriteVersionedGoFile("tables.go", "norm", w.Bytes())
-}
-
-func printChars() {
-	if *verbose {
-		for _, c := range chars {
-			if !c.isValid() || c.state == SMissing {
-				continue
-			}
-			fmt.Println(c)
-		}
-	}
-}
-
-// verifyComputed does various consistency tests.
-func verifyComputed() {
-	for i, c := range chars {
-		for _, f := range c.forms {
-			isNo := (f.quickCheck[MDecomposed] == QCNo)
-			if (len(f.decomp) > 0) != isNo && !isHangul(rune(i)) {
-				log.Fatalf("%U: NF*D QC must be No if rune decomposes", i)
-			}
-
-			isMaybe := f.quickCheck[MComposed] == QCMaybe
-			if f.combinesBackward != isMaybe {
-				log.Fatalf("%U: NF*C QC must be Maybe if combinesBackward", i)
-			}
-			if len(f.decomp) > 0 && f.combinesForward && isMaybe {
-				log.Fatalf("%U: NF*C QC must be Yes or No if combinesForward and decomposes", i)
-			}
-
-			if len(f.expandedDecomp) != 0 {
-				continue
-			}
-			if a, b := c.nLeadingNonStarters > 0, (c.ccc > 0 || f.combinesBackward); a != b {
-				// We accept these runes to be treated differently (it only affects
-				// segment breaking in iteration, most likely on improper use), but
-				// reconsider if more characters are added.
-				// U+FF9E HALFWIDTH KATAKANA VOICED SOUND MARK;Lm;0;L;<narrow> 3099;;;;N;;;;;
-				// U+FF9F HALFWIDTH KATAKANA SEMI-VOICED SOUND MARK;Lm;0;L;<narrow> 309A;;;;N;;;;;
-				// U+3133 HANGUL LETTER KIYEOK-SIOS;Lo;0;L;<compat> 11AA;;;;N;HANGUL LETTER GIYEOG SIOS;;;;
-				// U+318E HANGUL LETTER ARAEAE;Lo;0;L;<compat> 11A1;;;;N;HANGUL LETTER ALAE AE;;;;
-				// U+FFA3 HALFWIDTH HANGUL LETTER KIYEOK-SIOS;Lo;0;L;<narrow> 3133;;;;N;HALFWIDTH HANGUL LETTER GIYEOG SIOS;;;;
-				// U+FFDC HALFWIDTH HANGUL LETTER I;Lo;0;L;<narrow> 3163;;;;N;;;;;
-				if i != 0xFF9E && i != 0xFF9F && !(0x3133 <= i && i <= 0x318E) && !(0xFFA3 <= i && i <= 0xFFDC) {
-					log.Fatalf("%U: nLead was %v; want %v", i, a, b)
-				}
-			}
-		}
-		nfc := c.forms[FCanonical]
-		nfkc := c.forms[FCompatibility]
-		if nfc.combinesBackward != nfkc.combinesBackward {
-			log.Fatalf("%U: Cannot combine combinesBackward\n", c.codePoint)
-		}
-	}
-}
-
-// Use values in DerivedNormalizationProps.txt to compare against the
-// values we computed.
-// DerivedNormalizationProps.txt has form:
-// 00C0..00C5    ; NFD_QC; N # ...
-// 0374          ; NFD_QC; N # ...
-// See https://unicode.org/reports/tr44/ for full explanation
-func testDerived() {
-	f := gen.OpenUCDFile("DerivedNormalizationProps.txt")
-	defer f.Close()
-	p := ucd.New(f)
-	for p.Next() {
-		r := p.Rune(0)
-		c := &chars[r]
-
-		var ftype, mode int
-		qt := p.String(1)
-		switch qt {
-		case "NFC_QC":
-			ftype, mode = FCanonical, MComposed
-		case "NFD_QC":
-			ftype, mode = FCanonical, MDecomposed
-		case "NFKC_QC":
-			ftype, mode = FCompatibility, MComposed
-		case "NFKD_QC":
-			ftype, mode = FCompatibility, MDecomposed
-		default:
-			continue
-		}
-		var qr QCResult
-		switch p.String(2) {
-		case "Y":
-			qr = QCYes
-		case "N":
-			qr = QCNo
-		case "M":
-			qr = QCMaybe
-		default:
-			log.Fatalf(`Unexpected quick check value "%s"`, p.String(2))
-		}
-		if got := c.forms[ftype].quickCheck[mode]; got != qr {
-			log.Printf("%U: FAILED %s (was %v need %v)\n", r, qt, got, qr)
-		}
-		c.forms[ftype].verified[mode] = true
-	}
-	if err := p.Err(); err != nil {
-		log.Fatal(err)
-	}
-	// Any unspecified value must be QCYes. Verify this.
-	for i, c := range chars {
-		for j, fd := range c.forms {
-			for k, qr := range fd.quickCheck {
-				if !fd.verified[k] && qr != QCYes {
-					m := "%U: FAIL F:%d M:%d (was %v need Yes) %s\n"
-					log.Printf(m, i, j, k, qr, c.name)
-				}
-			}
-		}
-	}
-}
-
-var testHeader = `const (
-	Yes = iota
-	No
-	Maybe
-)
-
-type formData struct {
-	qc              uint8
-	combinesForward bool
-	decomposition   string
-}
-
-type runeData struct {
-	r      rune
-	ccc    uint8
-	nLead  uint8
-	nTrail uint8
-	f      [2]formData // 0: canonical; 1: compatibility
-}
-
-func f(qc uint8, cf bool, dec string) [2]formData {
-	return [2]formData{{qc, cf, dec}, {qc, cf, dec}}
-}
-
-func g(qc, qck uint8, cf, cfk bool, d, dk string) [2]formData {
-	return [2]formData{{qc, cf, d}, {qck, cfk, dk}}
-}
-
-var testData = []runeData{
-`
-
-func printTestdata() {
-	type lastInfo struct {
-		ccc    uint8
-		nLead  uint8
-		nTrail uint8
-		f      string
-	}
-
-	last := lastInfo{}
-	w := &bytes.Buffer{}
-	fmt.Fprintf(w, testHeader)
-	for r, c := range chars {
-		f := c.forms[FCanonical]
-		qc, cf, d := f.quickCheck[MComposed], f.combinesForward, string(f.expandedDecomp)
-		f = c.forms[FCompatibility]
-		qck, cfk, dk := f.quickCheck[MComposed], f.combinesForward, string(f.expandedDecomp)
-		s := ""
-		if d == dk && qc == qck && cf == cfk {
-			s = fmt.Sprintf("f(%s, %v, %q)", qc, cf, d)
-		} else {
-			s = fmt.Sprintf("g(%s, %s, %v, %v, %q, %q)", qc, qck, cf, cfk, d, dk)
-		}
-		current := lastInfo{c.ccc, c.nLeadingNonStarters, c.nTrailingNonStarters, s}
-		if last != current {
-			fmt.Fprintf(w, "\t{0x%x, %d, %d, %d, %s},\n", r, c.origCCC, c.nLeadingNonStarters, c.nTrailingNonStarters, s)
-			last = current
-		}
-	}
-	fmt.Fprintln(w, "}")
-	gen.WriteVersionedGoFile("data_test.go", "norm", w.Bytes())
-}
diff --git a/vendor/golang.org/x/text/unicode/norm/triegen.go b/vendor/golang.org/x/text/unicode/norm/triegen.go
deleted file mode 100644
index 45d711900..000000000
--- a/vendor/golang.org/x/text/unicode/norm/triegen.go
+++ /dev/null
@@ -1,117 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build ignore
-
-// Trie table generator.
-// Used by make*tables tools to generate a go file with trie data structures
-// for mapping UTF-8 to a 16-bit value. All but the last byte in a UTF-8 byte
-// sequence are used to lookup offsets in the index table to be used for the
-// next byte. The last byte is used to index into a table with 16-bit values.
-
-package main
-
-import (
-	"fmt"
-	"io"
-)
-
-const maxSparseEntries = 16
-
-type normCompacter struct {
-	sparseBlocks [][]uint64
-	sparseOffset []uint16
-	sparseCount  int
-	name         string
-}
-
-func mostFrequentStride(a []uint64) int {
-	counts := make(map[int]int)
-	var v int
-	for _, x := range a {
-		if stride := int(x) - v; v != 0 && stride >= 0 {
-			counts[stride]++
-		}
-		v = int(x)
-	}
-	var maxs, maxc int
-	for stride, cnt := range counts {
-		if cnt > maxc || (cnt == maxc && stride < maxs) {
-			maxs, maxc = stride, cnt
-		}
-	}
-	return maxs
-}
-
-func countSparseEntries(a []uint64) int {
-	stride := mostFrequentStride(a)
-	var v, count int
-	for _, tv := range a {
-		if int(tv)-v != stride {
-			if tv != 0 {
-				count++
-			}
-		}
-		v = int(tv)
-	}
-	return count
-}
-
-func (c *normCompacter) Size(v []uint64) (sz int, ok bool) {
-	if n := countSparseEntries(v); n <= maxSparseEntries {
-		return (n+1)*4 + 2, true
-	}
-	return 0, false
-}
-
-func (c *normCompacter) Store(v []uint64) uint32 {
-	h := uint32(len(c.sparseOffset))
-	c.sparseBlocks = append(c.sparseBlocks, v)
-	c.sparseOffset = append(c.sparseOffset, uint16(c.sparseCount))
-	c.sparseCount += countSparseEntries(v) + 1
-	return h
-}
-
-func (c *normCompacter) Handler() string {
-	return c.name + "Sparse.lookup"
-}
-
-func (c *normCompacter) Print(w io.Writer) (retErr error) {
-	p := func(f string, x ...interface{}) {
-		if _, err := fmt.Fprintf(w, f, x...); retErr == nil && err != nil {
-			retErr = err
-		}
-	}
-
-	ls := len(c.sparseBlocks)
-	p("// %sSparseOffset: %d entries, %d bytes\n", c.name, ls, ls*2)
-	p("var %sSparseOffset = %#v\n\n", c.name, c.sparseOffset)
-
-	ns := c.sparseCount
-	p("// %sSparseValues: %d entries, %d bytes\n", c.name, ns, ns*4)
-	p("var %sSparseValues = [%d]valueRange {", c.name, ns)
-	for i, b := range c.sparseBlocks {
-		p("\n// Block %#x, offset %#x", i, c.sparseOffset[i])
-		var v int
-		stride := mostFrequentStride(b)
-		n := countSparseEntries(b)
-		p("\n{value:%#04x,lo:%#02x},", stride, uint8(n))
-		for i, nv := range b {
-			if int(nv)-v != stride {
-				if v != 0 {
-					p(",hi:%#02x},", 0x80+i-1)
-				}
-				if nv != 0 {
-					p("\n{value:%#04x,lo:%#02x", nv, 0x80+i)
-				}
-			}
-			v = int(nv)
-		}
-		if v != 0 {
-			p(",hi:%#02x},", 0x80+len(b)-1)
-		}
-	}
-	p("\n}\n\n")
-	return
-}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index a0b361ecd..71c50d78d 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1,30 +1,30 @@
 # github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78
-github.com/Azure/go-ansiterm/winterm
 github.com/Azure/go-ansiterm
+github.com/Azure/go-ansiterm/winterm
 # github.com/BurntSushi/toml v0.3.1
 github.com/BurntSushi/toml
 # github.com/Microsoft/go-winio v0.4.14
 github.com/Microsoft/go-winio
-github.com/Microsoft/go-winio/pkg/guid
 github.com/Microsoft/go-winio/archive/tar
 github.com/Microsoft/go-winio/backuptar
+github.com/Microsoft/go-winio/pkg/guid
 # github.com/Microsoft/hcsshim v0.8.6
-github.com/Microsoft/hcsshim/osversion
 github.com/Microsoft/hcsshim
+github.com/Microsoft/hcsshim/internal/guestrequest
 github.com/Microsoft/hcsshim/internal/guid
 github.com/Microsoft/hcsshim/internal/hcs
 github.com/Microsoft/hcsshim/internal/hcserror
 github.com/Microsoft/hcsshim/internal/hns
-github.com/Microsoft/hcsshim/internal/mergemaps
-github.com/Microsoft/hcsshim/internal/schema1
-github.com/Microsoft/hcsshim/internal/wclayer
-github.com/Microsoft/hcsshim/internal/guestrequest
 github.com/Microsoft/hcsshim/internal/interop
 github.com/Microsoft/hcsshim/internal/logfields
-github.com/Microsoft/hcsshim/internal/timeout
-github.com/Microsoft/hcsshim/internal/schema2
 github.com/Microsoft/hcsshim/internal/longpath
+github.com/Microsoft/hcsshim/internal/mergemaps
 github.com/Microsoft/hcsshim/internal/safefile
+github.com/Microsoft/hcsshim/internal/schema1
+github.com/Microsoft/hcsshim/internal/schema2
+github.com/Microsoft/hcsshim/internal/timeout
+github.com/Microsoft/hcsshim/internal/wclayer
+github.com/Microsoft/hcsshim/osversion
 # github.com/VividCortex/ewma v1.1.1
 github.com/VividCortex/ewma
 # github.com/beorn7/perks v1.0.1
@@ -40,134 +40,134 @@ github.com/checkpoint-restore/go-criu/rpc
 github.com/containerd/containerd/errdefs
 # github.com/containerd/continuity v0.0.0-20190426062206-aaeac12a7ffc
 github.com/containerd/continuity/fs
-github.com/containerd/continuity/sysx
 github.com/containerd/continuity/syscallx
+github.com/containerd/continuity/sysx
 # github.com/containernetworking/cni v0.7.2-0.20190904153231-83439463f784
-github.com/containernetworking/cni/pkg/types
-github.com/containernetworking/cni/pkg/types/current
-github.com/containernetworking/cni/pkg/version
 github.com/containernetworking/cni/libcni
 github.com/containernetworking/cni/pkg/invoke
+github.com/containernetworking/cni/pkg/types
 github.com/containernetworking/cni/pkg/types/020
+github.com/containernetworking/cni/pkg/types/current
 github.com/containernetworking/cni/pkg/utils
+github.com/containernetworking/cni/pkg/version
 # github.com/containernetworking/plugins v0.8.2
-github.com/containernetworking/plugins/pkg/ns
 github.com/containernetworking/plugins/pkg/ip
-github.com/containernetworking/plugins/plugins/ipam/host-local/backend/allocator
+github.com/containernetworking/plugins/pkg/ns
 github.com/containernetworking/plugins/pkg/utils/hwaddr
 github.com/containernetworking/plugins/plugins/ipam/host-local/backend
+github.com/containernetworking/plugins/plugins/ipam/host-local/backend/allocator
 # github.com/containers/buildah v1.11.5-0.20191031204705-20e92ffe0982
 github.com/containers/buildah
-github.com/containers/buildah/imagebuildah
-github.com/containers/buildah/pkg/chrootuser
-github.com/containers/buildah/pkg/cli
-github.com/containers/buildah/pkg/formats
-github.com/containers/buildah/util
-github.com/containers/buildah/pkg/secrets
-github.com/containers/buildah/pkg/parse
 github.com/containers/buildah/bind
 github.com/containers/buildah/chroot
 github.com/containers/buildah/docker
+github.com/containers/buildah/imagebuildah
 github.com/containers/buildah/pkg/blobcache
 github.com/containers/buildah/pkg/cgroups
+github.com/containers/buildah/pkg/chrootuser
+github.com/containers/buildah/pkg/cli
+github.com/containers/buildah/pkg/formats
 github.com/containers/buildah/pkg/overlay
-github.com/containers/buildah/pkg/unshare
+github.com/containers/buildah/pkg/parse
+github.com/containers/buildah/pkg/secrets
 github.com/containers/buildah/pkg/umask
+github.com/containers/buildah/pkg/unshare
+github.com/containers/buildah/util
 # github.com/containers/image/v5 v5.0.0
+github.com/containers/image/v5/copy
 github.com/containers/image/v5/directory
+github.com/containers/image/v5/directory/explicitfilepath
 github.com/containers/image/v5/docker
 github.com/containers/image/v5/docker/archive
-github.com/containers/image/v5/manifest
-github.com/containers/image/v5/pkg/docker/config
-github.com/containers/image/v5/signature
-github.com/containers/image/v5/transports
-github.com/containers/image/v5/transports/alltransports
-github.com/containers/image/v5/types
-github.com/containers/image/v5/oci/archive
-github.com/containers/image/v5/storage
-github.com/containers/image/v5/copy
+github.com/containers/image/v5/docker/daemon
+github.com/containers/image/v5/docker/policyconfiguration
 github.com/containers/image/v5/docker/reference
 github.com/containers/image/v5/docker/tarfile
 github.com/containers/image/v5/image
-github.com/containers/image/v5/oci/layout
-github.com/containers/image/v5/tarball
-github.com/containers/image/v5/pkg/sysregistriesv2
-github.com/containers/image/v5/directory/explicitfilepath
-github.com/containers/image/v5/docker/policyconfiguration
-github.com/containers/image/v5/pkg/blobinfocache/none
-github.com/containers/image/v5/pkg/tlsclientconfig
-github.com/containers/image/v5/pkg/compression
-github.com/containers/image/v5/pkg/strslice
 github.com/containers/image/v5/internal/pkg/keyctl
-github.com/containers/image/v5/version
-github.com/containers/image/v5/docker/daemon
-github.com/containers/image/v5/openshift
-github.com/containers/image/v5/ostree
-github.com/containers/image/v5/pkg/compression/types
 github.com/containers/image/v5/internal/tmpdir
+github.com/containers/image/v5/manifest
+github.com/containers/image/v5/oci/archive
 github.com/containers/image/v5/oci/internal
+github.com/containers/image/v5/oci/layout
+github.com/containers/image/v5/openshift
+github.com/containers/image/v5/ostree
 github.com/containers/image/v5/pkg/blobinfocache
-github.com/containers/image/v5/pkg/compression/internal
 github.com/containers/image/v5/pkg/blobinfocache/boltdb
-github.com/containers/image/v5/pkg/blobinfocache/memory
 github.com/containers/image/v5/pkg/blobinfocache/internal/prioritize
+github.com/containers/image/v5/pkg/blobinfocache/memory
+github.com/containers/image/v5/pkg/blobinfocache/none
+github.com/containers/image/v5/pkg/compression
+github.com/containers/image/v5/pkg/compression/internal
+github.com/containers/image/v5/pkg/compression/types
+github.com/containers/image/v5/pkg/docker/config
+github.com/containers/image/v5/pkg/strslice
+github.com/containers/image/v5/pkg/sysregistriesv2
+github.com/containers/image/v5/pkg/tlsclientconfig
+github.com/containers/image/v5/signature
+github.com/containers/image/v5/storage
+github.com/containers/image/v5/tarball
+github.com/containers/image/v5/transports
+github.com/containers/image/v5/transports/alltransports
+github.com/containers/image/v5/types
+github.com/containers/image/v5/version
 # github.com/containers/libtrust v0.0.0-20190913040956-14b96171aa3b
 github.com/containers/libtrust
 # github.com/containers/psgo v1.3.2
 github.com/containers/psgo
 github.com/containers/psgo/internal/capabilities
+github.com/containers/psgo/internal/cgroups
 github.com/containers/psgo/internal/dev
+github.com/containers/psgo/internal/host
 github.com/containers/psgo/internal/proc
 github.com/containers/psgo/internal/process
-github.com/containers/psgo/internal/cgroups
-github.com/containers/psgo/internal/host
 # github.com/containers/storage v1.13.5
 github.com/containers/storage
-github.com/containers/storage/pkg/archive
-github.com/containers/storage/pkg/chrootarchive
-github.com/containers/storage/pkg/idtools
-github.com/containers/storage/pkg/reexec
-github.com/containers/storage/pkg/mount
-github.com/containers/storage/pkg/stringid
-github.com/containers/storage/pkg/system
-github.com/containers/storage/pkg/truncindex
-github.com/containers/storage/pkg/parsers/kernel
-github.com/containers/storage/pkg/fileutils
-github.com/containers/storage/pkg/ioutils
-github.com/containers/storage/pkg/pools
-github.com/containers/storage/pkg/homedir
 github.com/containers/storage/drivers
-github.com/containers/storage/drivers/register
-github.com/containers/storage/pkg/config
-github.com/containers/storage/pkg/directory
-github.com/containers/storage/pkg/lockfile
-github.com/containers/storage/pkg/parsers
-github.com/containers/storage/pkg/stringutils
-github.com/containers/storage/pkg/tarlog
-github.com/containers/storage/pkg/longpath
-github.com/containers/storage/pkg/promise
 github.com/containers/storage/drivers/aufs
 github.com/containers/storage/drivers/btrfs
+github.com/containers/storage/drivers/copy
 github.com/containers/storage/drivers/devmapper
 github.com/containers/storage/drivers/overlay
+github.com/containers/storage/drivers/overlayutils
+github.com/containers/storage/drivers/quota
+github.com/containers/storage/drivers/register
 github.com/containers/storage/drivers/vfs
 github.com/containers/storage/drivers/windows
 github.com/containers/storage/drivers/zfs
-github.com/containers/storage/pkg/locker
+github.com/containers/storage/pkg/archive
+github.com/containers/storage/pkg/chrootarchive
+github.com/containers/storage/pkg/config
 github.com/containers/storage/pkg/devicemapper
+github.com/containers/storage/pkg/directory
 github.com/containers/storage/pkg/dmesg
-github.com/containers/storage/pkg/loopback
-github.com/containers/storage/drivers/overlayutils
-github.com/containers/storage/drivers/quota
+github.com/containers/storage/pkg/fileutils
 github.com/containers/storage/pkg/fsutils
-github.com/containers/storage/drivers/copy
+github.com/containers/storage/pkg/homedir
+github.com/containers/storage/pkg/idtools
+github.com/containers/storage/pkg/ioutils
+github.com/containers/storage/pkg/locker
+github.com/containers/storage/pkg/lockfile
+github.com/containers/storage/pkg/longpath
+github.com/containers/storage/pkg/loopback
+github.com/containers/storage/pkg/mount
+github.com/containers/storage/pkg/parsers
+github.com/containers/storage/pkg/parsers/kernel
+github.com/containers/storage/pkg/pools
+github.com/containers/storage/pkg/promise
+github.com/containers/storage/pkg/reexec
+github.com/containers/storage/pkg/stringid
+github.com/containers/storage/pkg/stringutils
+github.com/containers/storage/pkg/system
+github.com/containers/storage/pkg/tarlog
+github.com/containers/storage/pkg/truncindex
 # github.com/coreos/go-iptables v0.4.2
 github.com/coreos/go-iptables/iptables
 # github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f
 github.com/coreos/go-systemd/activation
 github.com/coreos/go-systemd/dbus
-github.com/coreos/go-systemd/sdjournal
 github.com/coreos/go-systemd/journal
+github.com/coreos/go-systemd/sdjournal
 # github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f
 github.com/coreos/pkg/dlopen
 # github.com/cri-o/ocicni v0.1.1-0.20190920040751-deac903fd99b
@@ -177,68 +177,68 @@ github.com/cyphar/filepath-securejoin
 # github.com/davecgh/go-spew v1.1.1
 github.com/davecgh/go-spew/spew
 # github.com/docker/distribution v2.7.1+incompatible
+github.com/docker/distribution
+github.com/docker/distribution/digestset
+github.com/docker/distribution/metrics
 github.com/docker/distribution/reference
 github.com/docker/distribution/registry/api/errcode
 github.com/docker/distribution/registry/api/v2
 github.com/docker/distribution/registry/client
-github.com/docker/distribution/digestset
-github.com/docker/distribution
 github.com/docker/distribution/registry/client/auth/challenge
 github.com/docker/distribution/registry/client/transport
 github.com/docker/distribution/registry/storage/cache
 github.com/docker/distribution/registry/storage/cache/memory
-github.com/docker/distribution/metrics
 # github.com/docker/docker v1.4.2-0.20190927142053-ada3c14355ce
-github.com/docker/docker/pkg/signal
-github.com/docker/docker/pkg/homedir
-github.com/docker/docker/oci/caps
-github.com/docker/docker/pkg/namesgenerator
-github.com/docker/docker/pkg/term
-github.com/docker/docker/pkg/ioutils
-github.com/docker/docker/pkg/parsers
-github.com/docker/docker/api/types/versions
-github.com/docker/docker/errdefs
-github.com/docker/docker/pkg/term/windows
-github.com/docker/docker/pkg/longpath
-github.com/docker/docker/api/types/registry
-github.com/docker/docker/api/types/swarm
-github.com/docker/docker/pkg/archive
-github.com/docker/docker/pkg/fileutils
-github.com/docker/docker/pkg/jsonmessage
-github.com/docker/docker/pkg/stdcopy
-github.com/docker/docker/pkg/system
-github.com/docker/docker/client
-github.com/docker/docker/api/types/container
-github.com/docker/docker/api/types/mount
-github.com/docker/docker/api/types/network
-github.com/docker/docker/api/types/swarm/runtime
-github.com/docker/docker/pkg/idtools
-github.com/docker/docker/pkg/pools
-github.com/docker/docker/pkg/mount
 github.com/docker/docker/api
 github.com/docker/docker/api/types
+github.com/docker/docker/api/types/blkiodev
+github.com/docker/docker/api/types/container
 github.com/docker/docker/api/types/events
 github.com/docker/docker/api/types/filters
 github.com/docker/docker/api/types/image
+github.com/docker/docker/api/types/mount
+github.com/docker/docker/api/types/network
+github.com/docker/docker/api/types/registry
+github.com/docker/docker/api/types/strslice
+github.com/docker/docker/api/types/swarm
+github.com/docker/docker/api/types/swarm/runtime
 github.com/docker/docker/api/types/time
+github.com/docker/docker/api/types/versions
 github.com/docker/docker/api/types/volume
-github.com/docker/docker/api/types/blkiodev
-github.com/docker/docker/api/types/strslice
+github.com/docker/docker/client
+github.com/docker/docker/errdefs
+github.com/docker/docker/oci/caps
+github.com/docker/docker/pkg/archive
+github.com/docker/docker/pkg/fileutils
+github.com/docker/docker/pkg/homedir
+github.com/docker/docker/pkg/idtools
+github.com/docker/docker/pkg/ioutils
+github.com/docker/docker/pkg/jsonmessage
+github.com/docker/docker/pkg/longpath
+github.com/docker/docker/pkg/mount
+github.com/docker/docker/pkg/namesgenerator
+github.com/docker/docker/pkg/parsers
+github.com/docker/docker/pkg/pools
+github.com/docker/docker/pkg/signal
+github.com/docker/docker/pkg/stdcopy
+github.com/docker/docker/pkg/system
+github.com/docker/docker/pkg/term
+github.com/docker/docker/pkg/term/windows
 # github.com/docker/docker-credential-helpers v0.6.3
-github.com/docker/docker-credential-helpers/credentials
 github.com/docker/docker-credential-helpers/client
+github.com/docker/docker-credential-helpers/credentials
 # github.com/docker/go-connections v0.4.0
 github.com/docker/go-connections/nat
-github.com/docker/go-connections/tlsconfig
 github.com/docker/go-connections/sockets
+github.com/docker/go-connections/tlsconfig
 # github.com/docker/go-metrics v0.0.1
 github.com/docker/go-metrics
 # github.com/docker/go-units v0.4.0
 github.com/docker/go-units
 # github.com/docker/libnetwork v0.8.0-dev.2.0.20190625141545-5a177b73e316
 github.com/docker/libnetwork/resolvconf
-github.com/docker/libnetwork/types
 github.com/docker/libnetwork/resolvconf/dns
+github.com/docker/libnetwork/types
 # github.com/docker/spdystream v0.0.0-20181023171402-6480d4af844c
 github.com/docker/spdystream
 github.com/docker/spdystream/spdy
@@ -288,12 +288,12 @@ github.com/ishidawataru/sctp
 # github.com/json-iterator/go v1.1.8
 github.com/json-iterator/go
 # github.com/klauspost/compress v1.8.1
-github.com/klauspost/compress/zstd
 github.com/klauspost/compress/flate
+github.com/klauspost/compress/fse
 github.com/klauspost/compress/huff0
 github.com/klauspost/compress/snappy
+github.com/klauspost/compress/zstd
 github.com/klauspost/compress/zstd/internal/xxhash
-github.com/klauspost/compress/fse
 # github.com/klauspost/cpuid v1.2.1
 github.com/klauspost/cpuid
 # github.com/klauspost/pgzip v1.2.1
@@ -319,68 +319,68 @@ github.com/mrunalp/fileutils
 # github.com/mtrmac/gpgme v0.0.0-20170102180018-b2432428689c
 github.com/mtrmac/gpgme
 # github.com/onsi/ginkgo v1.10.3
-github.com/onsi/ginkgo/ginkgo
 github.com/onsi/ginkgo
 github.com/onsi/ginkgo/config
+github.com/onsi/ginkgo/extensions/table
+github.com/onsi/ginkgo/ginkgo
 github.com/onsi/ginkgo/ginkgo/convert
 github.com/onsi/ginkgo/ginkgo/interrupthandler
 github.com/onsi/ginkgo/ginkgo/nodot
 github.com/onsi/ginkgo/ginkgo/testrunner
 github.com/onsi/ginkgo/ginkgo/testsuite
 github.com/onsi/ginkgo/ginkgo/watch
-github.com/onsi/ginkgo/reporters/stenographer/support/go-colorable
-github.com/onsi/ginkgo/types
 github.com/onsi/ginkgo/internal/codelocation
+github.com/onsi/ginkgo/internal/containernode
 github.com/onsi/ginkgo/internal/failer
+github.com/onsi/ginkgo/internal/leafnodes
 github.com/onsi/ginkgo/internal/remote
+github.com/onsi/ginkgo/internal/spec
+github.com/onsi/ginkgo/internal/spec_iterator
+github.com/onsi/ginkgo/internal/specrunner
 github.com/onsi/ginkgo/internal/suite
 github.com/onsi/ginkgo/internal/testingtproxy
 github.com/onsi/ginkgo/internal/writer
 github.com/onsi/ginkgo/reporters
 github.com/onsi/ginkgo/reporters/stenographer
-github.com/onsi/ginkgo/extensions/table
+github.com/onsi/ginkgo/reporters/stenographer/support/go-colorable
 github.com/onsi/ginkgo/reporters/stenographer/support/go-isatty
-github.com/onsi/ginkgo/internal/spec_iterator
-github.com/onsi/ginkgo/internal/containernode
-github.com/onsi/ginkgo/internal/leafnodes
-github.com/onsi/ginkgo/internal/spec
-github.com/onsi/ginkgo/internal/specrunner
+github.com/onsi/ginkgo/types
 # github.com/onsi/gomega v1.7.1
 github.com/onsi/gomega
-github.com/onsi/gomega/gexec
 github.com/onsi/gomega/format
+github.com/onsi/gomega/gbytes
+github.com/onsi/gomega/gexec
 github.com/onsi/gomega/internal/assertion
 github.com/onsi/gomega/internal/asyncassertion
+github.com/onsi/gomega/internal/oraclematcher
 github.com/onsi/gomega/internal/testingtsupport
 github.com/onsi/gomega/matchers
-github.com/onsi/gomega/types
-github.com/onsi/gomega/gbytes
-github.com/onsi/gomega/internal/oraclematcher
 github.com/onsi/gomega/matchers/support/goraph/bipartitegraph
 github.com/onsi/gomega/matchers/support/goraph/edge
 github.com/onsi/gomega/matchers/support/goraph/node
 github.com/onsi/gomega/matchers/support/goraph/util
+github.com/onsi/gomega/types
 # github.com/opencontainers/go-digest v1.0.0-rc1
 github.com/opencontainers/go-digest
 # github.com/opencontainers/image-spec v1.0.2-0.20190823105129-775207bd45b6
-github.com/opencontainers/image-spec/specs-go/v1
 github.com/opencontainers/image-spec/specs-go
+github.com/opencontainers/image-spec/specs-go/v1
 # github.com/opencontainers/runc v1.0.0-rc8.0.20190827142921-dd075602f158
-github.com/opencontainers/runc/libcontainer/user
 github.com/opencontainers/runc/libcontainer/apparmor
+github.com/opencontainers/runc/libcontainer/cgroups
 github.com/opencontainers/runc/libcontainer/configs
 github.com/opencontainers/runc/libcontainer/devices
-github.com/opencontainers/runc/libcontainer/cgroups
 github.com/opencontainers/runc/libcontainer/system
+github.com/opencontainers/runc/libcontainer/user
 # github.com/opencontainers/runtime-spec v0.1.2-0.20190618234442-a950415649c7
 github.com/opencontainers/runtime-spec/specs-go
 # github.com/opencontainers/runtime-tools v0.9.0
+github.com/opencontainers/runtime-tools/error
+github.com/opencontainers/runtime-tools/filepath
 github.com/opencontainers/runtime-tools/generate
-github.com/opencontainers/runtime-tools/validate
 github.com/opencontainers/runtime-tools/generate/seccomp
-github.com/opencontainers/runtime-tools/filepath
 github.com/opencontainers/runtime-tools/specerror
-github.com/opencontainers/runtime-tools/error
+github.com/opencontainers/runtime-tools/validate
 # github.com/opencontainers/selinux v1.3.0
 github.com/opencontainers/selinux/go-selinux
 github.com/opencontainers/selinux/go-selinux/label
@@ -388,14 +388,14 @@ github.com/opencontainers/selinux/go-selinux/label
 github.com/openshift/api/config/v1
 # github.com/openshift/imagebuilder v1.1.1
 github.com/openshift/imagebuilder
-github.com/openshift/imagebuilder/dockerfile/parser
 github.com/openshift/imagebuilder/dockerfile/command
+github.com/openshift/imagebuilder/dockerfile/parser
 github.com/openshift/imagebuilder/signal
 github.com/openshift/imagebuilder/strslice
 # github.com/opentracing/opentracing-go v1.1.0
 github.com/opentracing/opentracing-go
-github.com/opentracing/opentracing-go/log
 github.com/opentracing/opentracing-go/ext
+github.com/opentracing/opentracing-go/log
 # github.com/ostreedev/ostree-go v0.0.0-20190702140239-759a8c1ac913
 github.com/ostreedev/ostree-go/pkg/glibobject
 github.com/ostreedev/ostree-go/pkg/otbuiltin
@@ -407,19 +407,19 @@ github.com/pkg/profile
 github.com/pmezard/go-difflib/difflib
 # github.com/pquerna/ffjson v0.0.0-20190813045741-dac163c6c0a9
 github.com/pquerna/ffjson/fflib/v1
+github.com/pquerna/ffjson/fflib/v1/internal
 github.com/pquerna/ffjson/inception
 github.com/pquerna/ffjson/shared
-github.com/pquerna/ffjson/fflib/v1/internal
 # github.com/prometheus/client_golang v1.1.0
 github.com/prometheus/client_golang/prometheus
-github.com/prometheus/client_golang/prometheus/promhttp
 github.com/prometheus/client_golang/prometheus/internal
+github.com/prometheus/client_golang/prometheus/promhttp
 # github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90
 github.com/prometheus/client_model/go
 # github.com/prometheus/common v0.6.0
 github.com/prometheus/common/expfmt
-github.com/prometheus/common/model
 github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg
+github.com/prometheus/common/model
 # github.com/prometheus/procfs v0.0.3
 github.com/prometheus/procfs
 github.com/prometheus/procfs/internal/fs
@@ -447,30 +447,30 @@ github.com/tchap/go-patricia/patricia
 github.com/uber/jaeger-client-go
 github.com/uber/jaeger-client-go/config
 github.com/uber/jaeger-client-go/internal/baggage
+github.com/uber/jaeger-client-go/internal/baggage/remote
 github.com/uber/jaeger-client-go/internal/spanlog
 github.com/uber/jaeger-client-go/internal/throttler
+github.com/uber/jaeger-client-go/internal/throttler/remote
 github.com/uber/jaeger-client-go/log
+github.com/uber/jaeger-client-go/rpcmetrics
 github.com/uber/jaeger-client-go/thrift
+github.com/uber/jaeger-client-go/thrift-gen/agent
+github.com/uber/jaeger-client-go/thrift-gen/baggage
 github.com/uber/jaeger-client-go/thrift-gen/jaeger
 github.com/uber/jaeger-client-go/thrift-gen/sampling
 github.com/uber/jaeger-client-go/thrift-gen/zipkincore
-github.com/uber/jaeger-client-go/utils
-github.com/uber/jaeger-client-go/internal/baggage/remote
-github.com/uber/jaeger-client-go/internal/throttler/remote
-github.com/uber/jaeger-client-go/rpcmetrics
 github.com/uber/jaeger-client-go/transport
-github.com/uber/jaeger-client-go/thrift-gen/agent
-github.com/uber/jaeger-client-go/thrift-gen/baggage
+github.com/uber/jaeger-client-go/utils
 # github.com/uber/jaeger-lib v0.0.0-20190122222657-d036253de8f5
 github.com/uber/jaeger-lib/metrics
 # github.com/ulikunitz/xz v0.5.6
 github.com/ulikunitz/xz
+github.com/ulikunitz/xz/internal/hash
 github.com/ulikunitz/xz/internal/xlog
 github.com/ulikunitz/xz/lzma
-github.com/ulikunitz/xz/internal/hash
 # github.com/varlink/go v0.0.0-20190502142041-0f1d566d194b
-github.com/varlink/go/varlink
 github.com/varlink/go/cmd/varlink-go-interface-generator
+github.com/varlink/go/varlink
 github.com/varlink/go/varlink/idl
 # github.com/vbatts/tar-split v0.11.1
 github.com/vbatts/tar-split/archive/tar
@@ -478,8 +478,8 @@ github.com/vbatts/tar-split/tar/asm
 github.com/vbatts/tar-split/tar/storage
 # github.com/vbauerster/mpb v3.4.0+incompatible
 github.com/vbauerster/mpb
-github.com/vbauerster/mpb/decor
 github.com/vbauerster/mpb/cwriter
+github.com/vbauerster/mpb/decor
 github.com/vbauerster/mpb/internal
 # github.com/vishvananda/netlink v1.0.0
 github.com/vishvananda/netlink
@@ -495,32 +495,32 @@ github.com/xeipuuv/gojsonschema
 # go.uber.org/atomic v1.4.0
 go.uber.org/atomic
 # golang.org/x/crypto v0.0.0-20190927123631-a832865fa7ad
-golang.org/x/crypto/ssh/terminal
+golang.org/x/crypto/cast5
 golang.org/x/crypto/openpgp
 golang.org/x/crypto/openpgp/armor
+golang.org/x/crypto/openpgp/elgamal
 golang.org/x/crypto/openpgp/errors
 golang.org/x/crypto/openpgp/packet
 golang.org/x/crypto/openpgp/s2k
-golang.org/x/crypto/cast5
-golang.org/x/crypto/openpgp/elgamal
+golang.org/x/crypto/ssh/terminal
 # golang.org/x/net v0.0.0-20190628185345-da137c7871d7
 golang.org/x/net/context
-golang.org/x/net/http2
+golang.org/x/net/context/ctxhttp
+golang.org/x/net/html
+golang.org/x/net/html/atom
 golang.org/x/net/html/charset
-golang.org/x/net/proxy
 golang.org/x/net/http/httpguts
+golang.org/x/net/http2
 golang.org/x/net/http2/hpack
 golang.org/x/net/idna
-golang.org/x/net/html
 golang.org/x/net/internal/socks
-golang.org/x/net/html/atom
-golang.org/x/net/context/ctxhttp
+golang.org/x/net/proxy
 # golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
 golang.org/x/oauth2
 golang.org/x/oauth2/internal
 # golang.org/x/sync v0.0.0-20190423024810-112230192c58
-golang.org/x/sync/semaphore
 golang.org/x/sync/errgroup
+golang.org/x/sync/semaphore
 # golang.org/x/sys v0.0.0-20190902133755-9109b7679e13
 golang.org/x/sys/unix
 golang.org/x/sys/windows
@@ -528,41 +528,41 @@ golang.org/x/sys/windows
 golang.org/x/text/encoding
 golang.org/x/text/encoding/charmap
 golang.org/x/text/encoding/htmlindex
-golang.org/x/text/transform
-golang.org/x/text/secure/bidirule
-golang.org/x/text/unicode/bidi
-golang.org/x/text/unicode/norm
-golang.org/x/text/encoding/internal/identifier
 golang.org/x/text/encoding/internal
+golang.org/x/text/encoding/internal/identifier
 golang.org/x/text/encoding/japanese
 golang.org/x/text/encoding/korean
 golang.org/x/text/encoding/simplifiedchinese
 golang.org/x/text/encoding/traditionalchinese
 golang.org/x/text/encoding/unicode
-golang.org/x/text/language
-golang.org/x/text/internal/utf8internal
-golang.org/x/text/runes
 golang.org/x/text/internal/language
 golang.org/x/text/internal/language/compact
 golang.org/x/text/internal/tag
+golang.org/x/text/internal/utf8internal
+golang.org/x/text/language
+golang.org/x/text/runes
+golang.org/x/text/secure/bidirule
+golang.org/x/text/transform
+golang.org/x/text/unicode/bidi
+golang.org/x/text/unicode/norm
 # golang.org/x/time v0.0.0-20190921001708-c4c64cad1fd0
 golang.org/x/time/rate
 # google.golang.org/appengine v1.6.1
-google.golang.org/appengine/urlfetch
 google.golang.org/appengine/internal
-google.golang.org/appengine/internal/urlfetch
 google.golang.org/appengine/internal/base
 google.golang.org/appengine/internal/datastore
 google.golang.org/appengine/internal/log
 google.golang.org/appengine/internal/remote_api
+google.golang.org/appengine/internal/urlfetch
+google.golang.org/appengine/urlfetch
 # google.golang.org/genproto v0.0.0-20190620144150-6af8c5fc6601
 google.golang.org/genproto/googleapis/rpc/status
 # google.golang.org/grpc v1.24.0
 google.golang.org/grpc/codes
-google.golang.org/grpc/status
-google.golang.org/grpc/internal
 google.golang.org/grpc/connectivity
 google.golang.org/grpc/grpclog
+google.golang.org/grpc/internal
+google.golang.org/grpc/status
 # gopkg.in/fsnotify.v1 v1.4.7
 gopkg.in/fsnotify.v1
 # gopkg.in/inf.v0 v0.9.1
@@ -574,61 +574,61 @@ gopkg.in/yaml.v2
 # k8s.io/api v0.0.0-20190813020757-36bff7324fb7
 k8s.io/api/core/v1
 # k8s.io/apimachinery v0.0.0-20190809020650-423f5d784010
-k8s.io/apimachinery/pkg/apis/meta/v1
-k8s.io/apimachinery/pkg/util/runtime
+k8s.io/apimachinery/pkg/api/errors
 k8s.io/apimachinery/pkg/api/resource
-k8s.io/apimachinery/pkg/runtime
-k8s.io/apimachinery/pkg/runtime/schema
-k8s.io/apimachinery/pkg/types
-k8s.io/apimachinery/pkg/util/intstr
+k8s.io/apimachinery/pkg/apis/meta/v1
+k8s.io/apimachinery/pkg/apis/meta/v1/unstructured
 k8s.io/apimachinery/pkg/conversion
+k8s.io/apimachinery/pkg/conversion/queryparams
 k8s.io/apimachinery/pkg/fields
 k8s.io/apimachinery/pkg/labels
+k8s.io/apimachinery/pkg/runtime
+k8s.io/apimachinery/pkg/runtime/schema
+k8s.io/apimachinery/pkg/runtime/serializer
+k8s.io/apimachinery/pkg/runtime/serializer/json
+k8s.io/apimachinery/pkg/runtime/serializer/protobuf
+k8s.io/apimachinery/pkg/runtime/serializer/recognizer
+k8s.io/apimachinery/pkg/runtime/serializer/streaming
+k8s.io/apimachinery/pkg/runtime/serializer/versioning
 k8s.io/apimachinery/pkg/selection
-k8s.io/apimachinery/pkg/watch
-k8s.io/apimachinery/pkg/util/httpstream
-k8s.io/apimachinery/pkg/util/remotecommand
-k8s.io/apimachinery/pkg/conversion/queryparams
+k8s.io/apimachinery/pkg/types
+k8s.io/apimachinery/pkg/util/clock
 k8s.io/apimachinery/pkg/util/errors
+k8s.io/apimachinery/pkg/util/framer
+k8s.io/apimachinery/pkg/util/httpstream
+k8s.io/apimachinery/pkg/util/httpstream/spdy
+k8s.io/apimachinery/pkg/util/intstr
 k8s.io/apimachinery/pkg/util/json
 k8s.io/apimachinery/pkg/util/naming
+k8s.io/apimachinery/pkg/util/net
+k8s.io/apimachinery/pkg/util/remotecommand
+k8s.io/apimachinery/pkg/util/runtime
 k8s.io/apimachinery/pkg/util/sets
-k8s.io/apimachinery/third_party/forked/golang/reflect
 k8s.io/apimachinery/pkg/util/validation
-k8s.io/apimachinery/pkg/util/net
-k8s.io/apimachinery/pkg/api/errors
-k8s.io/apimachinery/pkg/runtime/serializer/streaming
-k8s.io/apimachinery/pkg/util/httpstream/spdy
 k8s.io/apimachinery/pkg/util/validation/field
+k8s.io/apimachinery/pkg/util/yaml
 k8s.io/apimachinery/pkg/version
-k8s.io/apimachinery/pkg/runtime/serializer
-k8s.io/apimachinery/pkg/util/clock
+k8s.io/apimachinery/pkg/watch
 k8s.io/apimachinery/third_party/forked/golang/netutil
-k8s.io/apimachinery/pkg/runtime/serializer/json
-k8s.io/apimachinery/pkg/runtime/serializer/protobuf
-k8s.io/apimachinery/pkg/runtime/serializer/recognizer
-k8s.io/apimachinery/pkg/runtime/serializer/versioning
-k8s.io/apimachinery/pkg/util/framer
-k8s.io/apimachinery/pkg/util/yaml
-k8s.io/apimachinery/pkg/apis/meta/v1/unstructured
+k8s.io/apimachinery/third_party/forked/golang/reflect
 # k8s.io/client-go v0.0.0-20190620085101-78d2af792bab
-k8s.io/client-go/tools/remotecommand
-k8s.io/client-go/rest
-k8s.io/client-go/transport/spdy
-k8s.io/client-go/util/exec
-k8s.io/client-go/util/homedir
+k8s.io/client-go/pkg/apis/clientauthentication
+k8s.io/client-go/pkg/apis/clientauthentication/v1alpha1
+k8s.io/client-go/pkg/apis/clientauthentication/v1beta1
 k8s.io/client-go/pkg/version
 k8s.io/client-go/plugin/pkg/client/auth/exec
+k8s.io/client-go/rest
 k8s.io/client-go/rest/watch
 k8s.io/client-go/tools/clientcmd/api
 k8s.io/client-go/tools/metrics
+k8s.io/client-go/tools/remotecommand
 k8s.io/client-go/transport
+k8s.io/client-go/transport/spdy
 k8s.io/client-go/util/cert
-k8s.io/client-go/util/flowcontrol
-k8s.io/client-go/pkg/apis/clientauthentication
-k8s.io/client-go/pkg/apis/clientauthentication/v1alpha1
-k8s.io/client-go/pkg/apis/clientauthentication/v1beta1
 k8s.io/client-go/util/connrotation
+k8s.io/client-go/util/exec
+k8s.io/client-go/util/flowcontrol
+k8s.io/client-go/util/homedir
 k8s.io/client-go/util/keyutil
 # k8s.io/klog v0.3.3
 k8s.io/klog