Merge pull request #5258 from containers/dependabot/go_modules/github.com/containers/storage-1.16.0

build(deps): bump github.com/containers/storage from 1.15.8 to 1.16.0

26 files changed, 2426 insertions, 144 deletions

diff --git a/vendor/github.com/containers/storage/CODE-OF-CONDUCT.md b/vendor/github.com/containers/storage/CODE-OF-CONDUCT.md
new file mode 100644
index 000000000..be0791620
--- /dev/null
+++ b/vendor/github.com/containers/storage/CODE-OF-CONDUCT.md
@@ -0,0 +1,3 @@
+## The Containers Storage Project Community Code of Conduct
+
+The Containers Storage project follows the [Containers Community Code of Conduct](https://github.com/containers/common/blob/master/CODE-OF-CONDUCT.md).
diff --git a/vendor/github.com/containers/storage/Makefile b/vendor/github.com/containers/storage/Makefile
index 1b69d6060..09937303b 100644
--- a/vendor/github.com/containers/storage/Makefile
+++ b/vendor/github.com/containers/storage/Makefile
@@ -54,19 +54,19 @@ sources := $(wildcard *.go cmd/containers-storage/*.go drivers/*.go drivers/*/*.
 containers-storage: $(sources) ## build using gc on the host
 	$(GO_BUILD) -compiler gc $(BUILDFLAGS) ./cmd/containers-storage
 
-layers_ffjson.go: layers.go
+layers_ffjson.go: $(FFJSON) layers.go
 	$(RM) $@
 	$(FFJSON) layers.go
 
-images_ffjson.go: images.go
+images_ffjson.go: $(FFJSON) images.go
 	$(RM) $@
 	$(FFJSON) images.go
 
-containers_ffjson.go: containers.go
+containers_ffjson.go: $(FFJSON) containers.go
 	$(RM) $@
 	$(FFJSON) containers.go
 
-pkg/archive/archive_ffjson.go: pkg/archive/archive.go
+pkg/archive/archive_ffjson.go: $(FFJSON) pkg/archive/archive.go
 	$(RM) $@
 	$(FFJSON) pkg/archive/archive.go
 
@@ -118,6 +118,9 @@ validate: ## validate DCO, gofmt, ./pkg/ isolation, golint,\ngo vet and vendor u
 install.tools:
 	make -C tests/tools
 
+$(FFJSON):
+	make -C tests/tools build/ffjson
+
 install.docs: docs
 	make -C docs install
 
diff --git a/vendor/github.com/containers/storage/VERSION b/vendor/github.com/containers/storage/VERSION
index 98e863cdf..15b989e39 100644
--- a/vendor/github.com/containers/storage/VERSION
+++ b/vendor/github.com/containers/storage/VERSION
@@ -1 +1 @@
-1.15.8
+1.16.0
diff --git a/vendor/github.com/containers/storage/go.mod b/vendor/github.com/containers/storage/go.mod
index ba40f9c14..84dd86a20 100644
--- a/vendor/github.com/containers/storage/go.mod
+++ b/vendor/github.com/containers/storage/go.mod
@@ -7,10 +7,10 @@ require (
 	github.com/Microsoft/hcsshim v0.8.7
 	github.com/docker/docker v0.0.0-20171019062838-86f080cff091 // indirect
 	github.com/docker/go-units v0.4.0
-	github.com/klauspost/compress v1.9.8
+	github.com/klauspost/compress v1.10.0
 	github.com/klauspost/cpuid v1.2.1 // indirect
 	github.com/klauspost/pgzip v1.2.1
-	github.com/mattn/go-shellwords v1.0.9
+	github.com/mattn/go-shellwords v1.0.10
 	github.com/mistifyio/go-zfs v2.1.1+incompatible
 	github.com/opencontainers/go-digest v1.0.0-rc1
 	github.com/opencontainers/runc v1.0.0-rc9
diff --git a/vendor/github.com/containers/storage/go.sum b/vendor/github.com/containers/storage/go.sum
index e2785594d..c2029949a 100644
--- a/vendor/github.com/containers/storage/go.sum
+++ b/vendor/github.com/containers/storage/go.sum
@@ -79,6 +79,8 @@ github.com/klauspost/compress v1.9.7 h1:hYW1gP94JUmAhBtJ+LNz5My+gBobDxPR1iVuKug2
 github.com/klauspost/compress v1.9.7/go.mod h1:RyIbtBH6LamlWaDj8nUwkbUhJ87Yi3uG0guNDohfE1A=
 github.com/klauspost/compress v1.9.8 h1:VMAMUUOh+gaxKTMk+zqbjsSjsIcUcL/LF4o63i82QyA=
 github.com/klauspost/compress v1.9.8/go.mod h1:RyIbtBH6LamlWaDj8nUwkbUhJ87Yi3uG0guNDohfE1A=
+github.com/klauspost/compress v1.10.0 h1:92XGj1AcYzA6UrVdd4qIIBrT8OroryvRvdmg/IfmC7Y=
+github.com/klauspost/compress v1.10.0/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
 github.com/klauspost/cpuid v1.2.1 h1:vJi+O/nMdFt0vqm8NZBI6wzALWdA2X+egi0ogNyrC/w=
 github.com/klauspost/cpuid v1.2.1/go.mod h1:Pj4uuM528wm8OyEC2QMXAi2YiTZ96dNQPGgoMS4s3ek=
 github.com/klauspost/pgzip v1.2.1 h1:oIPZROsWuPHpOdMVWLuJZXwgjhrW8r1yEX8UqMyeNHM=
@@ -93,6 +95,8 @@ github.com/mattn/go-shellwords v1.0.7 h1:KqhVjVZomx2puPACkj9vrGFqnp42Htvo9SEAWeP
 github.com/mattn/go-shellwords v1.0.7/go.mod h1:3xCvwCdWdlDJUrvuMn7Wuy9eWs4pE8vqg+NOMyg4B2o=
 github.com/mattn/go-shellwords v1.0.9 h1:eaB5JspOwiKKcHdqcjbfe5lA9cNn/4NRRtddXJCimqk=
 github.com/mattn/go-shellwords v1.0.9/go.mod h1:EZzvwXDESEeg03EKmM+RmDnNOPKG4lLtQsUlTZDWQ8Y=
+github.com/mattn/go-shellwords v1.0.10 h1:Y7Xqm8piKOO3v10Thp7Z36h4FYFjt5xB//6XvOrs2Gw=
+github.com/mattn/go-shellwords v1.0.10/go.mod h1:EZzvwXDESEeg03EKmM+RmDnNOPKG4lLtQsUlTZDWQ8Y=
 github.com/mistifyio/go-zfs v2.1.1+incompatible h1:gAMO1HM9xBRONLHHYnu5iFsOJUiJdNZo6oqSENd4eW8=
 github.com/mistifyio/go-zfs v2.1.1+incompatible/go.mod h1:8AuVvqP/mXw1px98n46wfvcGfQ4ci2FwoAjKYxuo3Z4=
 github.com/mrunalp/fileutils v0.0.0-20171103030105-7d4729fb3618 h1:7InQ7/zrOh6SlFjaXFubv0xX0HsuC9qJsdqm7bNQpYM=
diff --git a/vendor/github.com/containers/storage/images_ffjson.go b/vendor/github.com/containers/storage/images_ffjson.go
index 0dde97c18..e1954ad04 100644
--- a/vendor/github.com/containers/storage/images_ffjson.go
+++ b/vendor/github.com/containers/storage/images_ffjson.go
@@ -1,5 +1,5 @@
 // Code generated by ffjson <https://github.com/pquerna/ffjson>. DO NOT EDIT.
-// source: ./images.go
+// source: images.go
 
 package storage
 
diff --git a/vendor/github.com/containers/storage/layers_ffjson.go b/vendor/github.com/containers/storage/layers_ffjson.go
new file mode 100644
index 000000000..3a1095226
--- /dev/null
+++ b/vendor/github.com/containers/storage/layers_ffjson.go
@@ -0,0 +1,2156 @@
+// Code generated by ffjson <https://github.com/pquerna/ffjson>. DO NOT EDIT.
+// source: layers.go
+
+package storage
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"github.com/containers/storage/pkg/archive"
+	"github.com/containers/storage/pkg/idtools"
+	"github.com/opencontainers/go-digest"
+	fflib "github.com/pquerna/ffjson/fflib/v1"
+)
+
+// MarshalJSON marshal bytes to json - template
+func (j *DiffOptions) MarshalJSON() ([]byte, error) {
+	var buf fflib.Buffer
+	if j == nil {
+		buf.WriteString("null")
+		return buf.Bytes(), nil
+	}
+	err := j.MarshalJSONBuf(&buf)
+	if err != nil {
+		return nil, err
+	}
+	return buf.Bytes(), nil
+}
+
+// MarshalJSONBuf marshal buff to json - template
+func (j *DiffOptions) MarshalJSONBuf(buf fflib.EncodingBuffer) error {
+	if j == nil {
+		buf.WriteString("null")
+		return nil
+	}
+	var err error
+	var obj []byte
+	_ = obj
+	_ = err
+	if j.Compression != nil {
+		buf.WriteString(`{"Compression":`)
+		fflib.FormatBits2(buf, uint64(*j.Compression), 10, *j.Compression < 0)
+	} else {
+		buf.WriteString(`{"Compression":null`)
+	}
+	buf.WriteByte('}')
+	return nil
+}
+
+const (
+	ffjtDiffOptionsbase = iota
+	ffjtDiffOptionsnosuchkey
+
+	ffjtDiffOptionsCompression
+)
+
+var ffjKeyDiffOptionsCompression = []byte("Compression")
+
+// UnmarshalJSON umarshall json - template of ffjson
+func (j *DiffOptions) UnmarshalJSON(input []byte) error {
+	fs := fflib.NewFFLexer(input)
+	return j.UnmarshalJSONFFLexer(fs, fflib.FFParse_map_start)
+}
+
+// UnmarshalJSONFFLexer fast json unmarshall - template ffjson
+func (j *DiffOptions) UnmarshalJSONFFLexer(fs *fflib.FFLexer, state fflib.FFParseState) error {
+	var err error
+	currentKey := ffjtDiffOptionsbase
+	_ = currentKey
+	tok := fflib.FFTok_init
+	wantedTok := fflib.FFTok_init
+
+mainparse:
+	for {
+		tok = fs.Scan()
+		//	println(fmt.Sprintf("debug: tok: %v  state: %v", tok, state))
+		if tok == fflib.FFTok_error {
+			goto tokerror
+		}
+
+		switch state {
+
+		case fflib.FFParse_map_start:
+			if tok != fflib.FFTok_left_bracket {
+				wantedTok = fflib.FFTok_left_bracket
+				goto wrongtokenerror
+			}
+			state = fflib.FFParse_want_key
+			continue
+
+		case fflib.FFParse_after_value:
+			if tok == fflib.FFTok_comma {
+				state = fflib.FFParse_want_key
+			} else if tok == fflib.FFTok_right_bracket {
+				goto done
+			} else {
+				wantedTok = fflib.FFTok_comma
+				goto wrongtokenerror
+			}
+
+		case fflib.FFParse_want_key:
+			// json {} ended. goto exit. woo.
+			if tok == fflib.FFTok_right_bracket {
+				goto done
+			}
+			if tok != fflib.FFTok_string {
+				wantedTok = fflib.FFTok_string
+				goto wrongtokenerror
+			}
+
+			kn := fs.Output.Bytes()
+			if len(kn) <= 0 {
+				// "" case. hrm.
+				currentKey = ffjtDiffOptionsnosuchkey
+				state = fflib.FFParse_want_colon
+				goto mainparse
+			} else {
+				switch kn[0] {
+
+				case 'C':
+
+					if bytes.Equal(ffjKeyDiffOptionsCompression, kn) {
+						currentKey = ffjtDiffOptionsCompression
+						state = fflib.FFParse_want_colon
+						goto mainparse
+					}
+
+				}
+
+				if fflib.EqualFoldRight(ffjKeyDiffOptionsCompression, kn) {
+					currentKey = ffjtDiffOptionsCompression
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				currentKey = ffjtDiffOptionsnosuchkey
+				state = fflib.FFParse_want_colon
+				goto mainparse
+			}
+
+		case fflib.FFParse_want_colon:
+			if tok != fflib.FFTok_colon {
+				wantedTok = fflib.FFTok_colon
+				goto wrongtokenerror
+			}
+			state = fflib.FFParse_want_value
+			continue
+		case fflib.FFParse_want_value:
+
+			if tok == fflib.FFTok_left_brace || tok == fflib.FFTok_left_bracket || tok == fflib.FFTok_integer || tok == fflib.FFTok_double || tok == fflib.FFTok_string || tok == fflib.FFTok_bool || tok == fflib.FFTok_null {
+				switch currentKey {
+
+				case ffjtDiffOptionsCompression:
+					goto handle_Compression
+
+				case ffjtDiffOptionsnosuchkey:
+					err = fs.SkipField(tok)
+					if err != nil {
+						return fs.WrapErr(err)
+					}
+					state = fflib.FFParse_after_value
+					goto mainparse
+				}
+			} else {
+				goto wantedvalue
+			}
+		}
+	}
+
+handle_Compression:
+
+	/* handler: j.Compression type=archive.Compression kind=int quoted=false*/
+
+	{
+		if tok != fflib.FFTok_integer && tok != fflib.FFTok_null {
+			return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for Compression", tok))
+		}
+	}
+
+	{
+
+		if tok == fflib.FFTok_null {
+
+			j.Compression = nil
+
+		} else {
+
+			tval, err := fflib.ParseInt(fs.Output.Bytes(), 10, 64)
+
+			if err != nil {
+				return fs.WrapErr(err)
+			}
+
+			ttypval := archive.Compression(tval)
+			j.Compression = &ttypval
+
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+wantedvalue:
+	return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
+wrongtokenerror:
+	return fs.WrapErr(fmt.Errorf("ffjson: wanted token: %v, but got token: %v output=%s", wantedTok, tok, fs.Output.String()))
+tokerror:
+	if fs.BigError != nil {
+		return fs.WrapErr(fs.BigError)
+	}
+	err = fs.Error.ToError()
+	if err != nil {
+		return fs.WrapErr(err)
+	}
+	panic("ffjson-generated: unreachable, please report bug.")
+done:
+
+	return nil
+}
+
+// MarshalJSON marshal bytes to json - template
+func (j *Layer) MarshalJSON() ([]byte, error) {
+	var buf fflib.Buffer
+	if j == nil {
+		buf.WriteString("null")
+		return buf.Bytes(), nil
+	}
+	err := j.MarshalJSONBuf(&buf)
+	if err != nil {
+		return nil, err
+	}
+	return buf.Bytes(), nil
+}
+
+// MarshalJSONBuf marshal buff to json - template
+func (j *Layer) MarshalJSONBuf(buf fflib.EncodingBuffer) error {
+	if j == nil {
+		buf.WriteString("null")
+		return nil
+	}
+	var err error
+	var obj []byte
+	_ = obj
+	_ = err
+	buf.WriteString(`{ "id":`)
+	fflib.WriteJsonString(buf, string(j.ID))
+	buf.WriteByte(',')
+	if len(j.Names) != 0 {
+		buf.WriteString(`"names":`)
+		if j.Names != nil {
+			buf.WriteString(`[`)
+			for i, v := range j.Names {
+				if i != 0 {
+					buf.WriteString(`,`)
+				}
+				fflib.WriteJsonString(buf, string(v))
+			}
+			buf.WriteString(`]`)
+		} else {
+			buf.WriteString(`null`)
+		}
+		buf.WriteByte(',')
+	}
+	if len(j.Parent) != 0 {
+		buf.WriteString(`"parent":`)
+		fflib.WriteJsonString(buf, string(j.Parent))
+		buf.WriteByte(',')
+	}
+	if len(j.Metadata) != 0 {
+		buf.WriteString(`"metadata":`)
+		fflib.WriteJsonString(buf, string(j.Metadata))
+		buf.WriteByte(',')
+	}
+	if len(j.MountLabel) != 0 {
+		buf.WriteString(`"mountlabel":`)
+		fflib.WriteJsonString(buf, string(j.MountLabel))
+		buf.WriteByte(',')
+	}
+	if true {
+		buf.WriteString(`"created":`)
+
+		{
+
+			obj, err = j.Created.MarshalJSON()
+			if err != nil {
+				return err
+			}
+			buf.Write(obj)
+
+		}
+		buf.WriteByte(',')
+	}
+	if len(j.CompressedDigest) != 0 {
+		buf.WriteString(`"compressed-diff-digest":`)
+		fflib.WriteJsonString(buf, string(j.CompressedDigest))
+		buf.WriteByte(',')
+	}
+	if j.CompressedSize != 0 {
+		buf.WriteString(`"compressed-size":`)
+		fflib.FormatBits2(buf, uint64(j.CompressedSize), 10, j.CompressedSize < 0)
+		buf.WriteByte(',')
+	}
+	if len(j.UncompressedDigest) != 0 {
+		buf.WriteString(`"diff-digest":`)
+		fflib.WriteJsonString(buf, string(j.UncompressedDigest))
+		buf.WriteByte(',')
+	}
+	if j.UncompressedSize != 0 {
+		buf.WriteString(`"diff-size":`)
+		fflib.FormatBits2(buf, uint64(j.UncompressedSize), 10, j.UncompressedSize < 0)
+		buf.WriteByte(',')
+	}
+	if j.CompressionType != 0 {
+		buf.WriteString(`"compression":`)
+		fflib.FormatBits2(buf, uint64(j.CompressionType), 10, j.CompressionType < 0)
+		buf.WriteByte(',')
+	}
+	if len(j.UIDs) != 0 {
+		buf.WriteString(`"uidset":`)
+		if j.UIDs != nil {
+			buf.WriteString(`[`)
+			for i, v := range j.UIDs {
+				if i != 0 {
+					buf.WriteString(`,`)
+				}
+				fflib.FormatBits2(buf, uint64(v), 10, false)
+			}
+			buf.WriteString(`]`)
+		} else {
+			buf.WriteString(`null`)
+		}
+		buf.WriteByte(',')
+	}
+	if len(j.GIDs) != 0 {
+		buf.WriteString(`"gidset":`)
+		if j.GIDs != nil {
+			buf.WriteString(`[`)
+			for i, v := range j.GIDs {
+				if i != 0 {
+					buf.WriteString(`,`)
+				}
+				fflib.FormatBits2(buf, uint64(v), 10, false)
+			}
+			buf.WriteString(`]`)
+		} else {
+			buf.WriteString(`null`)
+		}
+		buf.WriteByte(',')
+	}
+	if len(j.Flags) != 0 {
+		buf.WriteString(`"flags":`)
+		/* Falling back. type=map[string]interface {} kind=map */
+		err = buf.Encode(j.Flags)
+		if err != nil {
+			return err
+		}
+		buf.WriteByte(',')
+	}
+	if len(j.UIDMap) != 0 {
+		buf.WriteString(`"uidmap":`)
+		if j.UIDMap != nil {
+			buf.WriteString(`[`)
+			for i, v := range j.UIDMap {
+				if i != 0 {
+					buf.WriteString(`,`)
+				}
+				/* Struct fall back. type=idtools.IDMap kind=struct */
+				err = buf.Encode(&v)
+				if err != nil {
+					return err
+				}
+			}
+			buf.WriteString(`]`)
+		} else {
+			buf.WriteString(`null`)
+		}
+		buf.WriteByte(',')
+	}
+	if len(j.GIDMap) != 0 {
+		buf.WriteString(`"gidmap":`)
+		if j.GIDMap != nil {
+			buf.WriteString(`[`)
+			for i, v := range j.GIDMap {
+				if i != 0 {
+					buf.WriteString(`,`)
+				}
+				/* Struct fall back. type=idtools.IDMap kind=struct */
+				err = buf.Encode(&v)
+				if err != nil {
+					return err
+				}
+			}
+			buf.WriteString(`]`)
+		} else {
+			buf.WriteString(`null`)
+		}
+		buf.WriteByte(',')
+	}
+	buf.Rewind(1)
+	buf.WriteByte('}')
+	return nil
+}
+
+const (
+	ffjtLayerbase = iota
+	ffjtLayernosuchkey
+
+	ffjtLayerID
+
+	ffjtLayerNames
+
+	ffjtLayerParent
+
+	ffjtLayerMetadata
+
+	ffjtLayerMountLabel
+
+	ffjtLayerCreated
+
+	ffjtLayerCompressedDigest
+
+	ffjtLayerCompressedSize
+
+	ffjtLayerUncompressedDigest
+
+	ffjtLayerUncompressedSize
+
+	ffjtLayerCompressionType
+
+	ffjtLayerUIDs
+
+	ffjtLayerGIDs
+
+	ffjtLayerFlags
+
+	ffjtLayerUIDMap
+
+	ffjtLayerGIDMap
+)
+
+var ffjKeyLayerID = []byte("id")
+
+var ffjKeyLayerNames = []byte("names")
+
+var ffjKeyLayerParent = []byte("parent")
+
+var ffjKeyLayerMetadata = []byte("metadata")
+
+var ffjKeyLayerMountLabel = []byte("mountlabel")
+
+var ffjKeyLayerCreated = []byte("created")
+
+var ffjKeyLayerCompressedDigest = []byte("compressed-diff-digest")
+
+var ffjKeyLayerCompressedSize = []byte("compressed-size")
+
+var ffjKeyLayerUncompressedDigest = []byte("diff-digest")
+
+var ffjKeyLayerUncompressedSize = []byte("diff-size")
+
+var ffjKeyLayerCompressionType = []byte("compression")
+
+var ffjKeyLayerUIDs = []byte("uidset")
+
+var ffjKeyLayerGIDs = []byte("gidset")
+
+var ffjKeyLayerFlags = []byte("flags")
+
+var ffjKeyLayerUIDMap = []byte("uidmap")
+
+var ffjKeyLayerGIDMap = []byte("gidmap")
+
+// UnmarshalJSON umarshall json - template of ffjson
+func (j *Layer) UnmarshalJSON(input []byte) error {
+	fs := fflib.NewFFLexer(input)
+	return j.UnmarshalJSONFFLexer(fs, fflib.FFParse_map_start)
+}
+
+// UnmarshalJSONFFLexer fast json unmarshall - template ffjson
+func (j *Layer) UnmarshalJSONFFLexer(fs *fflib.FFLexer, state fflib.FFParseState) error {
+	var err error
+	currentKey := ffjtLayerbase
+	_ = currentKey
+	tok := fflib.FFTok_init
+	wantedTok := fflib.FFTok_init
+
+mainparse:
+	for {
+		tok = fs.Scan()
+		//	println(fmt.Sprintf("debug: tok: %v  state: %v", tok, state))
+		if tok == fflib.FFTok_error {
+			goto tokerror
+		}
+
+		switch state {
+
+		case fflib.FFParse_map_start:
+			if tok != fflib.FFTok_left_bracket {
+				wantedTok = fflib.FFTok_left_bracket
+				goto wrongtokenerror
+			}
+			state = fflib.FFParse_want_key
+			continue
+
+		case fflib.FFParse_after_value:
+			if tok == fflib.FFTok_comma {
+				state = fflib.FFParse_want_key
+			} else if tok == fflib.FFTok_right_bracket {
+				goto done
+			} else {
+				wantedTok = fflib.FFTok_comma
+				goto wrongtokenerror
+			}
+
+		case fflib.FFParse_want_key:
+			// json {} ended. goto exit. woo.
+			if tok == fflib.FFTok_right_bracket {
+				goto done
+			}
+			if tok != fflib.FFTok_string {
+				wantedTok = fflib.FFTok_string
+				goto wrongtokenerror
+			}
+
+			kn := fs.Output.Bytes()
+			if len(kn) <= 0 {
+				// "" case. hrm.
+				currentKey = ffjtLayernosuchkey
+				state = fflib.FFParse_want_colon
+				goto mainparse
+			} else {
+				switch kn[0] {
+
+				case 'c':
+
+					if bytes.Equal(ffjKeyLayerCreated, kn) {
+						currentKey = ffjtLayerCreated
+						state = fflib.FFParse_want_colon
+						goto mainparse
+
+					} else if bytes.Equal(ffjKeyLayerCompressedDigest, kn) {
+						currentKey = ffjtLayerCompressedDigest
+						state = fflib.FFParse_want_colon
+						goto mainparse
+
+					} else if bytes.Equal(ffjKeyLayerCompressedSize, kn) {
+						currentKey = ffjtLayerCompressedSize
+						state = fflib.FFParse_want_colon
+						goto mainparse
+
+					} else if bytes.Equal(ffjKeyLayerCompressionType, kn) {
+						currentKey = ffjtLayerCompressionType
+						state = fflib.FFParse_want_colon
+						goto mainparse
+					}
+
+				case 'd':
+
+					if bytes.Equal(ffjKeyLayerUncompressedDigest, kn) {
+						currentKey = ffjtLayerUncompressedDigest
+						state = fflib.FFParse_want_colon
+						goto mainparse
+
+					} else if bytes.Equal(ffjKeyLayerUncompressedSize, kn) {
+						currentKey = ffjtLayerUncompressedSize
+						state = fflib.FFParse_want_colon
+						goto mainparse
+					}
+
+				case 'f':
+
+					if bytes.Equal(ffjKeyLayerFlags, kn) {
+						currentKey = ffjtLayerFlags
+						state = fflib.FFParse_want_colon
+						goto mainparse
+					}
+
+				case 'g':
+
+					if bytes.Equal(ffjKeyLayerGIDs, kn) {
+						currentKey = ffjtLayerGIDs
+						state = fflib.FFParse_want_colon
+						goto mainparse
+
+					} else if bytes.Equal(ffjKeyLayerGIDMap, kn) {
+						currentKey = ffjtLayerGIDMap
+						state = fflib.FFParse_want_colon
+						goto mainparse
+					}
+
+				case 'i':
+
+					if bytes.Equal(ffjKeyLayerID, kn) {
+						currentKey = ffjtLayerID
+						state = fflib.FFParse_want_colon
+						goto mainparse
+					}
+
+				case 'm':
+
+					if bytes.Equal(ffjKeyLayerMetadata, kn) {
+						currentKey = ffjtLayerMetadata
+						state = fflib.FFParse_want_colon
+						goto mainparse
+
+					} else if bytes.Equal(ffjKeyLayerMountLabel, kn) {
+						currentKey = ffjtLayerMountLabel
+						state = fflib.FFParse_want_colon
+						goto mainparse
+					}
+
+				case 'n':
+
+					if bytes.Equal(ffjKeyLayerNames, kn) {
+						currentKey = ffjtLayerNames
+						state = fflib.FFParse_want_colon
+						goto mainparse
+					}
+
+				case 'p':
+
+					if bytes.Equal(ffjKeyLayerParent, kn) {
+						currentKey = ffjtLayerParent
+						state = fflib.FFParse_want_colon
+						goto mainparse
+					}
+
+				case 'u':
+
+					if bytes.Equal(ffjKeyLayerUIDs, kn) {
+						currentKey = ffjtLayerUIDs
+						state = fflib.FFParse_want_colon
+						goto mainparse
+
+					} else if bytes.Equal(ffjKeyLayerUIDMap, kn) {
+						currentKey = ffjtLayerUIDMap
+						state = fflib.FFParse_want_colon
+						goto mainparse
+					}
+
+				}
+
+				if fflib.SimpleLetterEqualFold(ffjKeyLayerGIDMap, kn) {
+					currentKey = ffjtLayerGIDMap
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				if fflib.SimpleLetterEqualFold(ffjKeyLayerUIDMap, kn) {
+					currentKey = ffjtLayerUIDMap
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				if fflib.EqualFoldRight(ffjKeyLayerFlags, kn) {
+					currentKey = ffjtLayerFlags
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				if fflib.EqualFoldRight(ffjKeyLayerGIDs, kn) {
+					currentKey = ffjtLayerGIDs
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				if fflib.EqualFoldRight(ffjKeyLayerUIDs, kn) {
+					currentKey = ffjtLayerUIDs
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				if fflib.EqualFoldRight(ffjKeyLayerCompressionType, kn) {
+					currentKey = ffjtLayerCompressionType
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				if fflib.EqualFoldRight(ffjKeyLayerUncompressedSize, kn) {
+					currentKey = ffjtLayerUncompressedSize
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				if fflib.EqualFoldRight(ffjKeyLayerUncompressedDigest, kn) {
+					currentKey = ffjtLayerUncompressedDigest
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				if fflib.EqualFoldRight(ffjKeyLayerCompressedSize, kn) {
+					currentKey = ffjtLayerCompressedSize
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				if fflib.EqualFoldRight(ffjKeyLayerCompressedDigest, kn) {
+					currentKey = ffjtLayerCompressedDigest
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				if fflib.SimpleLetterEqualFold(ffjKeyLayerCreated, kn) {
+					currentKey = ffjtLayerCreated
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				if fflib.SimpleLetterEqualFold(ffjKeyLayerMountLabel, kn) {
+					currentKey = ffjtLayerMountLabel
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				if fflib.SimpleLetterEqualFold(ffjKeyLayerMetadata, kn) {
+					currentKey = ffjtLayerMetadata
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				if fflib.SimpleLetterEqualFold(ffjKeyLayerParent, kn) {
+					currentKey = ffjtLayerParent
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				if fflib.EqualFoldRight(ffjKeyLayerNames, kn) {
+					currentKey = ffjtLayerNames
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				if fflib.SimpleLetterEqualFold(ffjKeyLayerID, kn) {
+					currentKey = ffjtLayerID
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				currentKey = ffjtLayernosuchkey
+				state = fflib.FFParse_want_colon
+				goto mainparse
+			}
+
+		case fflib.FFParse_want_colon:
+			if tok != fflib.FFTok_colon {
+				wantedTok = fflib.FFTok_colon
+				goto wrongtokenerror
+			}
+			state = fflib.FFParse_want_value
+			continue
+		case fflib.FFParse_want_value:
+
+			if tok == fflib.FFTok_left_brace || tok == fflib.FFTok_left_bracket || tok == fflib.FFTok_integer || tok == fflib.FFTok_double || tok == fflib.FFTok_string || tok == fflib.FFTok_bool || tok == fflib.FFTok_null {
+				switch currentKey {
+
+				case ffjtLayerID:
+					goto handle_ID
+
+				case ffjtLayerNames:
+					goto handle_Names
+
+				case ffjtLayerParent:
+					goto handle_Parent
+
+				case ffjtLayerMetadata:
+					goto handle_Metadata
+
+				case ffjtLayerMountLabel:
+					goto handle_MountLabel
+
+				case ffjtLayerCreated:
+					goto handle_Created
+
+				case ffjtLayerCompressedDigest:
+					goto handle_CompressedDigest
+
+				case ffjtLayerCompressedSize:
+					goto handle_CompressedSize
+
+				case ffjtLayerUncompressedDigest:
+					goto handle_UncompressedDigest
+
+				case ffjtLayerUncompressedSize:
+					goto handle_UncompressedSize
+
+				case ffjtLayerCompressionType:
+					goto handle_CompressionType
+
+				case ffjtLayerUIDs:
+					goto handle_UIDs
+
+				case ffjtLayerGIDs:
+					goto handle_GIDs
+
+				case ffjtLayerFlags:
+					goto handle_Flags
+
+				case ffjtLayerUIDMap:
+					goto handle_UIDMap
+
+				case ffjtLayerGIDMap:
+					goto handle_GIDMap
+
+				case ffjtLayernosuchkey:
+					err = fs.SkipField(tok)
+					if err != nil {
+						return fs.WrapErr(err)
+					}
+					state = fflib.FFParse_after_value
+					goto mainparse
+				}
+			} else {
+				goto wantedvalue
+			}
+		}
+	}
+
+handle_ID:
+
+	/* handler: j.ID type=string kind=string quoted=false*/
+
+	{
+
+		{
+			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
+				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
+			}
+		}
+
+		if tok == fflib.FFTok_null {
+
+		} else {
+
+			outBuf := fs.Output.Bytes()
+
+			j.ID = string(string(outBuf))
+
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+handle_Names:
+
+	/* handler: j.Names type=[]string kind=slice quoted=false*/
+
+	{
+
+		{
+			if tok != fflib.FFTok_left_brace && tok != fflib.FFTok_null {
+				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for ", tok))
+			}
+		}
+
+		if tok == fflib.FFTok_null {
+			j.Names = nil
+		} else {
+
+			j.Names = []string{}
+
+			wantVal := true
+
+			for {
+
+				var tmpJNames string
+
+				tok = fs.Scan()
+				if tok == fflib.FFTok_error {
+					goto tokerror
+				}
+				if tok == fflib.FFTok_right_brace {
+					break
+				}
+
+				if tok == fflib.FFTok_comma {
+					if wantVal == true {
+						// TODO(pquerna): this isn't an ideal error message, this handles
+						// things like [,,,] as an array value.
+						return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
+					}
+					continue
+				} else {
+					wantVal = true
+				}
+
+				/* handler: tmpJNames type=string kind=string quoted=false*/
+
+				{
+
+					{
+						if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
+							return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
+						}
+					}
+
+					if tok == fflib.FFTok_null {
+
+					} else {
+
+						outBuf := fs.Output.Bytes()
+
+						tmpJNames = string(string(outBuf))
+
+					}
+				}
+
+				j.Names = append(j.Names, tmpJNames)
+
+				wantVal = false
+			}
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+handle_Parent:
+
+	/* handler: j.Parent type=string kind=string quoted=false*/
+
+	{
+
+		{
+			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
+				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
+			}
+		}
+
+		if tok == fflib.FFTok_null {
+
+		} else {
+
+			outBuf := fs.Output.Bytes()
+
+			j.Parent = string(string(outBuf))
+
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+handle_Metadata:
+
+	/* handler: j.Metadata type=string kind=string quoted=false*/
+
+	{
+
+		{
+			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
+				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
+			}
+		}
+
+		if tok == fflib.FFTok_null {
+
+		} else {
+
+			outBuf := fs.Output.Bytes()
+
+			j.Metadata = string(string(outBuf))
+
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+handle_MountLabel:
+
+	/* handler: j.MountLabel type=string kind=string quoted=false*/
+
+	{
+
+		{
+			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
+				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
+			}
+		}
+
+		if tok == fflib.FFTok_null {
+
+		} else {
+
+			outBuf := fs.Output.Bytes()
+
+			j.MountLabel = string(string(outBuf))
+
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+handle_Created:
+
+	/* handler: j.Created type=time.Time kind=struct quoted=false*/
+
+	{
+		if tok == fflib.FFTok_null {
+
+		} else {
+
+			tbuf, err := fs.CaptureField(tok)
+			if err != nil {
+				return fs.WrapErr(err)
+			}
+
+			err = j.Created.UnmarshalJSON(tbuf)
+			if err != nil {
+				return fs.WrapErr(err)
+			}
+		}
+		state = fflib.FFParse_after_value
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+handle_CompressedDigest:
+
+	/* handler: j.CompressedDigest type=digest.Digest kind=string quoted=false*/
+
+	{
+
+		{
+			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
+				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for Digest", tok))
+			}
+		}
+
+		if tok == fflib.FFTok_null {
+
+		} else {
+
+			outBuf := fs.Output.Bytes()
+
+			j.CompressedDigest = digest.Digest(string(outBuf))
+
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+handle_CompressedSize:
+
+	/* handler: j.CompressedSize type=int64 kind=int64 quoted=false*/
+
+	{
+		if tok != fflib.FFTok_integer && tok != fflib.FFTok_null {
+			return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for int64", tok))
+		}
+	}
+
+	{
+
+		if tok == fflib.FFTok_null {
+
+		} else {
+
+			tval, err := fflib.ParseInt(fs.Output.Bytes(), 10, 64)
+
+			if err != nil {
+				return fs.WrapErr(err)
+			}
+
+			j.CompressedSize = int64(tval)
+
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+handle_UncompressedDigest:
+
+	/* handler: j.UncompressedDigest type=digest.Digest kind=string quoted=false*/
+
+	{
+
+		{
+			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
+				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for Digest", tok))
+			}
+		}
+
+		if tok == fflib.FFTok_null {
+
+		} else {
+
+			outBuf := fs.Output.Bytes()
+
+			j.UncompressedDigest = digest.Digest(string(outBuf))
+
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+handle_UncompressedSize:
+
+	/* handler: j.UncompressedSize type=int64 kind=int64 quoted=false*/
+
+	{
+		if tok != fflib.FFTok_integer && tok != fflib.FFTok_null {
+			return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for int64", tok))
+		}
+	}
+
+	{
+
+		if tok == fflib.FFTok_null {
+
+		} else {
+
+			tval, err := fflib.ParseInt(fs.Output.Bytes(), 10, 64)
+
+			if err != nil {
+				return fs.WrapErr(err)
+			}
+
+			j.UncompressedSize = int64(tval)
+
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+handle_CompressionType:
+
+	/* handler: j.CompressionType type=archive.Compression kind=int quoted=false*/
+
+	{
+		if tok != fflib.FFTok_integer && tok != fflib.FFTok_null {
+			return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for Compression", tok))
+		}
+	}
+
+	{
+
+		if tok == fflib.FFTok_null {
+
+		} else {
+
+			tval, err := fflib.ParseInt(fs.Output.Bytes(), 10, 64)
+
+			if err != nil {
+				return fs.WrapErr(err)
+			}
+
+			j.CompressionType = archive.Compression(tval)
+
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+handle_UIDs:
+
+	/* handler: j.UIDs type=[]uint32 kind=slice quoted=false*/
+
+	{
+
+		{
+			if tok != fflib.FFTok_left_brace && tok != fflib.FFTok_null {
+				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for ", tok))
+			}
+		}
+
+		if tok == fflib.FFTok_null {
+			j.UIDs = nil
+		} else {
+
+			j.UIDs = []uint32{}
+
+			wantVal := true
+
+			for {
+
+				var tmpJUIDs uint32
+
+				tok = fs.Scan()
+				if tok == fflib.FFTok_error {
+					goto tokerror
+				}
+				if tok == fflib.FFTok_right_brace {
+					break
+				}
+
+				if tok == fflib.FFTok_comma {
+					if wantVal == true {
+						// TODO(pquerna): this isn't an ideal error message, this handles
+						// things like [,,,] as an array value.
+						return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
+					}
+					continue
+				} else {
+					wantVal = true
+				}
+
+				/* handler: tmpJUIDs type=uint32 kind=uint32 quoted=false*/
+
+				{
+					if tok != fflib.FFTok_integer && tok != fflib.FFTok_null {
+						return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for uint32", tok))
+					}
+				}
+
+				{
+
+					if tok == fflib.FFTok_null {
+
+					} else {
+
+						tval, err := fflib.ParseUint(fs.Output.Bytes(), 10, 32)
+
+						if err != nil {
+							return fs.WrapErr(err)
+						}
+
+						tmpJUIDs = uint32(tval)
+
+					}
+				}
+
+				j.UIDs = append(j.UIDs, tmpJUIDs)
+
+				wantVal = false
+			}
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+handle_GIDs:
+
+	/* handler: j.GIDs type=[]uint32 kind=slice quoted=false*/
+
+	{
+
+		{
+			if tok != fflib.FFTok_left_brace && tok != fflib.FFTok_null {
+				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for ", tok))
+			}
+		}
+
+		if tok == fflib.FFTok_null {
+			j.GIDs = nil
+		} else {
+
+			j.GIDs = []uint32{}
+
+			wantVal := true
+
+			for {
+
+				var tmpJGIDs uint32
+
+				tok = fs.Scan()
+				if tok == fflib.FFTok_error {
+					goto tokerror
+				}
+				if tok == fflib.FFTok_right_brace {
+					break
+				}
+
+				if tok == fflib.FFTok_comma {
+					if wantVal == true {
+						// TODO(pquerna): this isn't an ideal error message, this handles
+						// things like [,,,] as an array value.
+						return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
+					}
+					continue
+				} else {
+					wantVal = true
+				}
+
+				/* handler: tmpJGIDs type=uint32 kind=uint32 quoted=false*/
+
+				{
+					if tok != fflib.FFTok_integer && tok != fflib.FFTok_null {
+						return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for uint32", tok))
+					}
+				}
+
+				{
+
+					if tok == fflib.FFTok_null {
+
+					} else {
+
+						tval, err := fflib.ParseUint(fs.Output.Bytes(), 10, 32)
+
+						if err != nil {
+							return fs.WrapErr(err)
+						}
+
+						tmpJGIDs = uint32(tval)
+
+					}
+				}
+
+				j.GIDs = append(j.GIDs, tmpJGIDs)
+
+				wantVal = false
+			}
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+handle_Flags:
+
+	/* handler: j.Flags type=map[string]interface {} kind=map quoted=false*/
+
+	{
+
+		{
+			if tok != fflib.FFTok_left_bracket && tok != fflib.FFTok_null {
+				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for ", tok))
+			}
+		}
+
+		if tok == fflib.FFTok_null {
+			j.Flags = nil
+		} else {
+
+			j.Flags = make(map[string]interface{}, 0)
+
+			wantVal := true
+
+			for {
+
+				var k string
+
+				var tmpJFlags interface{}
+
+				tok = fs.Scan()
+				if tok == fflib.FFTok_error {
+					goto tokerror
+				}
+				if tok == fflib.FFTok_right_bracket {
+					break
+				}
+
+				if tok == fflib.FFTok_comma {
+					if wantVal == true {
+						// TODO(pquerna): this isn't an ideal error message, this handles
+						// things like [,,,] as an array value.
+						return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
+					}
+					continue
+				} else {
+					wantVal = true
+				}
+
+				/* handler: k type=string kind=string quoted=false*/
+
+				{
+
+					{
+						if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
+							return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
+						}
+					}
+
+					if tok == fflib.FFTok_null {
+
+					} else {
+
+						outBuf := fs.Output.Bytes()
+
+						k = string(string(outBuf))
+
+					}
+				}
+
+				// Expect ':' after key
+				tok = fs.Scan()
+				if tok != fflib.FFTok_colon {
+					return fs.WrapErr(fmt.Errorf("wanted colon token, but got token: %v", tok))
+				}
+
+				tok = fs.Scan()
+				/* handler: tmpJFlags type=interface {} kind=interface quoted=false*/
+
+				{
+					/* Falling back. type=interface {} kind=interface */
+					tbuf, err := fs.CaptureField(tok)
+					if err != nil {
+						return fs.WrapErr(err)
+					}
+
+					err = json.Unmarshal(tbuf, &tmpJFlags)
+					if err != nil {
+						return fs.WrapErr(err)
+					}
+				}
+
+				j.Flags[k] = tmpJFlags
+
+				wantVal = false
+			}
+
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+handle_UIDMap:
+
+	/* handler: j.UIDMap type=[]idtools.IDMap kind=slice quoted=false*/
+
+	{
+
+		{
+			if tok != fflib.FFTok_left_brace && tok != fflib.FFTok_null {
+				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for ", tok))
+			}
+		}
+
+		if tok == fflib.FFTok_null {
+			j.UIDMap = nil
+		} else {
+
+			j.UIDMap = []idtools.IDMap{}
+
+			wantVal := true
+
+			for {
+
+				var tmpJUIDMap idtools.IDMap
+
+				tok = fs.Scan()
+				if tok == fflib.FFTok_error {
+					goto tokerror
+				}
+				if tok == fflib.FFTok_right_brace {
+					break
+				}
+
+				if tok == fflib.FFTok_comma {
+					if wantVal == true {
+						// TODO(pquerna): this isn't an ideal error message, this handles
+						// things like [,,,] as an array value.
+						return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
+					}
+					continue
+				} else {
+					wantVal = true
+				}
+
+				/* handler: tmpJUIDMap type=idtools.IDMap kind=struct quoted=false*/
+
+				{
+					/* Falling back. type=idtools.IDMap kind=struct */
+					tbuf, err := fs.CaptureField(tok)
+					if err != nil {
+						return fs.WrapErr(err)
+					}
+
+					err = json.Unmarshal(tbuf, &tmpJUIDMap)
+					if err != nil {
+						return fs.WrapErr(err)
+					}
+				}
+
+				j.UIDMap = append(j.UIDMap, tmpJUIDMap)
+
+				wantVal = false
+			}
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+handle_GIDMap:
+
+	/* handler: j.GIDMap type=[]idtools.IDMap kind=slice quoted=false*/
+
+	{
+
+		{
+			if tok != fflib.FFTok_left_brace && tok != fflib.FFTok_null {
+				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for ", tok))
+			}
+		}
+
+		if tok == fflib.FFTok_null {
+			j.GIDMap = nil
+		} else {
+
+			j.GIDMap = []idtools.IDMap{}
+
+			wantVal := true
+
+			for {
+
+				var tmpJGIDMap idtools.IDMap
+
+				tok = fs.Scan()
+				if tok == fflib.FFTok_error {
+					goto tokerror
+				}
+				if tok == fflib.FFTok_right_brace {
+					break
+				}
+
+				if tok == fflib.FFTok_comma {
+					if wantVal == true {
+						// TODO(pquerna): this isn't an ideal error message, this handles
+						// things like [,,,] as an array value.
+						return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
+					}
+					continue
+				} else {
+					wantVal = true
+				}
+
+				/* handler: tmpJGIDMap type=idtools.IDMap kind=struct quoted=false*/
+
+				{
+					/* Falling back. type=idtools.IDMap kind=struct */
+					tbuf, err := fs.CaptureField(tok)
+					if err != nil {
+						return fs.WrapErr(err)
+					}
+
+					err = json.Unmarshal(tbuf, &tmpJGIDMap)
+					if err != nil {
+						return fs.WrapErr(err)
+					}
+				}
+
+				j.GIDMap = append(j.GIDMap, tmpJGIDMap)
+
+				wantVal = false
+			}
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+wantedvalue:
+	return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
+wrongtokenerror:
+	return fs.WrapErr(fmt.Errorf("ffjson: wanted token: %v, but got token: %v output=%s", wantedTok, tok, fs.Output.String()))
+tokerror:
+	if fs.BigError != nil {
+		return fs.WrapErr(fs.BigError)
+	}
+	err = fs.Error.ToError()
+	if err != nil {
+		return fs.WrapErr(err)
+	}
+	panic("ffjson-generated: unreachable, please report bug.")
+done:
+
+	return nil
+}
+
+// MarshalJSON marshal bytes to json - template
+func (j *layerMountPoint) MarshalJSON() ([]byte, error) {
+	var buf fflib.Buffer
+	if j == nil {
+		buf.WriteString("null")
+		return buf.Bytes(), nil
+	}
+	err := j.MarshalJSONBuf(&buf)
+	if err != nil {
+		return nil, err
+	}
+	return buf.Bytes(), nil
+}
+
+// MarshalJSONBuf marshal buff to json - template
+func (j *layerMountPoint) MarshalJSONBuf(buf fflib.EncodingBuffer) error {
+	if j == nil {
+		buf.WriteString("null")
+		return nil
+	}
+	var err error
+	var obj []byte
+	_ = obj
+	_ = err
+	buf.WriteString(`{"id":`)
+	fflib.WriteJsonString(buf, string(j.ID))
+	buf.WriteString(`,"path":`)
+	fflib.WriteJsonString(buf, string(j.MountPoint))
+	buf.WriteString(`,"count":`)
+	fflib.FormatBits2(buf, uint64(j.MountCount), 10, j.MountCount < 0)
+	buf.WriteByte('}')
+	return nil
+}
+
+const (
+	ffjtlayerMountPointbase = iota
+	ffjtlayerMountPointnosuchkey
+
+	ffjtlayerMountPointID
+
+	ffjtlayerMountPointMountPoint
+
+	ffjtlayerMountPointMountCount
+)
+
+var ffjKeylayerMountPointID = []byte("id")
+
+var ffjKeylayerMountPointMountPoint = []byte("path")
+
+var ffjKeylayerMountPointMountCount = []byte("count")
+
+// UnmarshalJSON umarshall json - template of ffjson
+func (j *layerMountPoint) UnmarshalJSON(input []byte) error {
+	fs := fflib.NewFFLexer(input)
+	return j.UnmarshalJSONFFLexer(fs, fflib.FFParse_map_start)
+}
+
+// UnmarshalJSONFFLexer fast json unmarshall - template ffjson
+func (j *layerMountPoint) UnmarshalJSONFFLexer(fs *fflib.FFLexer, state fflib.FFParseState) error {
+	var err error
+	currentKey := ffjtlayerMountPointbase
+	_ = currentKey
+	tok := fflib.FFTok_init
+	wantedTok := fflib.FFTok_init
+
+mainparse:
+	for {
+		tok = fs.Scan()
+		//	println(fmt.Sprintf("debug: tok: %v  state: %v", tok, state))
+		if tok == fflib.FFTok_error {
+			goto tokerror
+		}
+
+		switch state {
+
+		case fflib.FFParse_map_start:
+			if tok != fflib.FFTok_left_bracket {
+				wantedTok = fflib.FFTok_left_bracket
+				goto wrongtokenerror
+			}
+			state = fflib.FFParse_want_key
+			continue
+
+		case fflib.FFParse_after_value:
+			if tok == fflib.FFTok_comma {
+				state = fflib.FFParse_want_key
+			} else if tok == fflib.FFTok_right_bracket {
+				goto done
+			} else {
+				wantedTok = fflib.FFTok_comma
+				goto wrongtokenerror
+			}
+
+		case fflib.FFParse_want_key:
+			// json {} ended. goto exit. woo.
+			if tok == fflib.FFTok_right_bracket {
+				goto done
+			}
+			if tok != fflib.FFTok_string {
+				wantedTok = fflib.FFTok_string
+				goto wrongtokenerror
+			}
+
+			kn := fs.Output.Bytes()
+			if len(kn) <= 0 {
+				// "" case. hrm.
+				currentKey = ffjtlayerMountPointnosuchkey
+				state = fflib.FFParse_want_colon
+				goto mainparse
+			} else {
+				switch kn[0] {
+
+				case 'c':
+
+					if bytes.Equal(ffjKeylayerMountPointMountCount, kn) {
+						currentKey = ffjtlayerMountPointMountCount
+						state = fflib.FFParse_want_colon
+						goto mainparse
+					}
+
+				case 'i':
+
+					if bytes.Equal(ffjKeylayerMountPointID, kn) {
+						currentKey = ffjtlayerMountPointID
+						state = fflib.FFParse_want_colon
+						goto mainparse
+					}
+
+				case 'p':
+
+					if bytes.Equal(ffjKeylayerMountPointMountPoint, kn) {
+						currentKey = ffjtlayerMountPointMountPoint
+						state = fflib.FFParse_want_colon
+						goto mainparse
+					}
+
+				}
+
+				if fflib.SimpleLetterEqualFold(ffjKeylayerMountPointMountCount, kn) {
+					currentKey = ffjtlayerMountPointMountCount
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				if fflib.SimpleLetterEqualFold(ffjKeylayerMountPointMountPoint, kn) {
+					currentKey = ffjtlayerMountPointMountPoint
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				if fflib.SimpleLetterEqualFold(ffjKeylayerMountPointID, kn) {
+					currentKey = ffjtlayerMountPointID
+					state = fflib.FFParse_want_colon
+					goto mainparse
+				}
+
+				currentKey = ffjtlayerMountPointnosuchkey
+				state = fflib.FFParse_want_colon
+				goto mainparse
+			}
+
+		case fflib.FFParse_want_colon:
+			if tok != fflib.FFTok_colon {
+				wantedTok = fflib.FFTok_colon
+				goto wrongtokenerror
+			}
+			state = fflib.FFParse_want_value
+			continue
+		case fflib.FFParse_want_value:
+
+			if tok == fflib.FFTok_left_brace || tok == fflib.FFTok_left_bracket || tok == fflib.FFTok_integer || tok == fflib.FFTok_double || tok == fflib.FFTok_string || tok == fflib.FFTok_bool || tok == fflib.FFTok_null {
+				switch currentKey {
+
+				case ffjtlayerMountPointID:
+					goto handle_ID
+
+				case ffjtlayerMountPointMountPoint:
+					goto handle_MountPoint
+
+				case ffjtlayerMountPointMountCount:
+					goto handle_MountCount
+
+				case ffjtlayerMountPointnosuchkey:
+					err = fs.SkipField(tok)
+					if err != nil {
+						return fs.WrapErr(err)
+					}
+					state = fflib.FFParse_after_value
+					goto mainparse
+				}
+			} else {
+				goto wantedvalue
+			}
+		}
+	}
+
+handle_ID:
+
+	/* handler: j.ID type=string kind=string quoted=false*/
+
+	{
+
+		{
+			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
+				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
+			}
+		}
+
+		if tok == fflib.FFTok_null {
+
+		} else {
+
+			outBuf := fs.Output.Bytes()
+
+			j.ID = string(string(outBuf))
+
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+handle_MountPoint:
+
+	/* handler: j.MountPoint type=string kind=string quoted=false*/
+
+	{
+
+		{
+			if tok != fflib.FFTok_string && tok != fflib.FFTok_null {
+				return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for string", tok))
+			}
+		}
+
+		if tok == fflib.FFTok_null {
+
+		} else {
+
+			outBuf := fs.Output.Bytes()
+
+			j.MountPoint = string(string(outBuf))
+
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+handle_MountCount:
+
+	/* handler: j.MountCount type=int kind=int quoted=false*/
+
+	{
+		if tok != fflib.FFTok_integer && tok != fflib.FFTok_null {
+			return fs.WrapErr(fmt.Errorf("cannot unmarshal %s into Go value for int", tok))
+		}
+	}
+
+	{
+
+		if tok == fflib.FFTok_null {
+
+		} else {
+
+			tval, err := fflib.ParseInt(fs.Output.Bytes(), 10, 64)
+
+			if err != nil {
+				return fs.WrapErr(err)
+			}
+
+			j.MountCount = int(tval)
+
+		}
+	}
+
+	state = fflib.FFParse_after_value
+	goto mainparse
+
+wantedvalue:
+	return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
+wrongtokenerror:
+	return fs.WrapErr(fmt.Errorf("ffjson: wanted token: %v, but got token: %v output=%s", wantedTok, tok, fs.Output.String()))
+tokerror:
+	if fs.BigError != nil {
+		return fs.WrapErr(fs.BigError)
+	}
+	err = fs.Error.ToError()
+	if err != nil {
+		return fs.WrapErr(err)
+	}
+	panic("ffjson-generated: unreachable, please report bug.")
+done:
+
+	return nil
+}
+
+// MarshalJSON marshal bytes to json - template
+func (j *layerStore) MarshalJSON() ([]byte, error) {
+	var buf fflib.Buffer
+	if j == nil {
+		buf.WriteString("null")
+		return buf.Bytes(), nil
+	}
+	err := j.MarshalJSONBuf(&buf)
+	if err != nil {
+		return nil, err
+	}
+	return buf.Bytes(), nil
+}
+
+// MarshalJSONBuf marshal buff to json - template
+func (j *layerStore) MarshalJSONBuf(buf fflib.EncodingBuffer) error {
+	if j == nil {
+		buf.WriteString("null")
+		return nil
+	}
+	var err error
+	var obj []byte
+	_ = obj
+	_ = err
+	buf.WriteString(`{}`)
+	return nil
+}
+
+const (
+	ffjtlayerStorebase = iota
+	ffjtlayerStorenosuchkey
+)
+
+// UnmarshalJSON umarshall json - template of ffjson
+func (j *layerStore) UnmarshalJSON(input []byte) error {
+	fs := fflib.NewFFLexer(input)
+	return j.UnmarshalJSONFFLexer(fs, fflib.FFParse_map_start)
+}
+
+// UnmarshalJSONFFLexer fast json unmarshall - template ffjson
+func (j *layerStore) UnmarshalJSONFFLexer(fs *fflib.FFLexer, state fflib.FFParseState) error {
+	var err error
+	currentKey := ffjtlayerStorebase
+	_ = currentKey
+	tok := fflib.FFTok_init
+	wantedTok := fflib.FFTok_init
+
+mainparse:
+	for {
+		tok = fs.Scan()
+		//	println(fmt.Sprintf("debug: tok: %v  state: %v", tok, state))
+		if tok == fflib.FFTok_error {
+			goto tokerror
+		}
+
+		switch state {
+
+		case fflib.FFParse_map_start:
+			if tok != fflib.FFTok_left_bracket {
+				wantedTok = fflib.FFTok_left_bracket
+				goto wrongtokenerror
+			}
+			state = fflib.FFParse_want_key
+			continue
+
+		case fflib.FFParse_after_value:
+			if tok == fflib.FFTok_comma {
+				state = fflib.FFParse_want_key
+			} else if tok == fflib.FFTok_right_bracket {
+				goto done
+			} else {
+				wantedTok = fflib.FFTok_comma
+				goto wrongtokenerror
+			}
+
+		case fflib.FFParse_want_key:
+			// json {} ended. goto exit. woo.
+			if tok == fflib.FFTok_right_bracket {
+				goto done
+			}
+			if tok != fflib.FFTok_string {
+				wantedTok = fflib.FFTok_string
+				goto wrongtokenerror
+			}
+
+			kn := fs.Output.Bytes()
+			if len(kn) <= 0 {
+				// "" case. hrm.
+				currentKey = ffjtlayerStorenosuchkey
+				state = fflib.FFParse_want_colon
+				goto mainparse
+			} else {
+				switch kn[0] {
+
+				}
+
+				currentKey = ffjtlayerStorenosuchkey
+				state = fflib.FFParse_want_colon
+				goto mainparse
+			}
+
+		case fflib.FFParse_want_colon:
+			if tok != fflib.FFTok_colon {
+				wantedTok = fflib.FFTok_colon
+				goto wrongtokenerror
+			}
+			state = fflib.FFParse_want_value
+			continue
+		case fflib.FFParse_want_value:
+
+			if tok == fflib.FFTok_left_brace || tok == fflib.FFTok_left_bracket || tok == fflib.FFTok_integer || tok == fflib.FFTok_double || tok == fflib.FFTok_string || tok == fflib.FFTok_bool || tok == fflib.FFTok_null {
+				switch currentKey {
+
+				case ffjtlayerStorenosuchkey:
+					err = fs.SkipField(tok)
+					if err != nil {
+						return fs.WrapErr(err)
+					}
+					state = fflib.FFParse_after_value
+					goto mainparse
+				}
+			} else {
+				goto wantedvalue
+			}
+		}
+	}
+
+wantedvalue:
+	return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
+wrongtokenerror:
+	return fs.WrapErr(fmt.Errorf("ffjson: wanted token: %v, but got token: %v output=%s", wantedTok, tok, fs.Output.String()))
+tokerror:
+	if fs.BigError != nil {
+		return fs.WrapErr(fs.BigError)
+	}
+	err = fs.Error.ToError()
+	if err != nil {
+		return fs.WrapErr(err)
+	}
+	panic("ffjson-generated: unreachable, please report bug.")
+done:
+
+	return nil
+}
+
+// MarshalJSON marshal bytes to json - template
+func (j *simpleGetCloser) MarshalJSON() ([]byte, error) {
+	var buf fflib.Buffer
+	if j == nil {
+		buf.WriteString("null")
+		return buf.Bytes(), nil
+	}
+	err := j.MarshalJSONBuf(&buf)
+	if err != nil {
+		return nil, err
+	}
+	return buf.Bytes(), nil
+}
+
+// MarshalJSONBuf marshal buff to json - template
+func (j *simpleGetCloser) MarshalJSONBuf(buf fflib.EncodingBuffer) error {
+	if j == nil {
+		buf.WriteString("null")
+		return nil
+	}
+	var err error
+	var obj []byte
+	_ = obj
+	_ = err
+	buf.WriteString(`{}`)
+	return nil
+}
+
+const (
+	ffjtsimpleGetCloserbase = iota
+	ffjtsimpleGetClosernosuchkey
+)
+
+// UnmarshalJSON umarshall json - template of ffjson
+func (j *simpleGetCloser) UnmarshalJSON(input []byte) error {
+	fs := fflib.NewFFLexer(input)
+	return j.UnmarshalJSONFFLexer(fs, fflib.FFParse_map_start)
+}
+
+// UnmarshalJSONFFLexer fast json unmarshall - template ffjson
+func (j *simpleGetCloser) UnmarshalJSONFFLexer(fs *fflib.FFLexer, state fflib.FFParseState) error {
+	var err error
+	currentKey := ffjtsimpleGetCloserbase
+	_ = currentKey
+	tok := fflib.FFTok_init
+	wantedTok := fflib.FFTok_init
+
+mainparse:
+	for {
+		tok = fs.Scan()
+		//	println(fmt.Sprintf("debug: tok: %v  state: %v", tok, state))
+		if tok == fflib.FFTok_error {
+			goto tokerror
+		}
+
+		switch state {
+
+		case fflib.FFParse_map_start:
+			if tok != fflib.FFTok_left_bracket {
+				wantedTok = fflib.FFTok_left_bracket
+				goto wrongtokenerror
+			}
+			state = fflib.FFParse_want_key
+			continue
+
+		case fflib.FFParse_after_value:
+			if tok == fflib.FFTok_comma {
+				state = fflib.FFParse_want_key
+			} else if tok == fflib.FFTok_right_bracket {
+				goto done
+			} else {
+				wantedTok = fflib.FFTok_comma
+				goto wrongtokenerror
+			}
+
+		case fflib.FFParse_want_key:
+			// json {} ended. goto exit. woo.
+			if tok == fflib.FFTok_right_bracket {
+				goto done
+			}
+			if tok != fflib.FFTok_string {
+				wantedTok = fflib.FFTok_string
+				goto wrongtokenerror
+			}
+
+			kn := fs.Output.Bytes()
+			if len(kn) <= 0 {
+				// "" case. hrm.
+				currentKey = ffjtsimpleGetClosernosuchkey
+				state = fflib.FFParse_want_colon
+				goto mainparse
+			} else {
+				switch kn[0] {
+
+				}
+
+				currentKey = ffjtsimpleGetClosernosuchkey
+				state = fflib.FFParse_want_colon
+				goto mainparse
+			}
+
+		case fflib.FFParse_want_colon:
+			if tok != fflib.FFTok_colon {
+				wantedTok = fflib.FFTok_colon
+				goto wrongtokenerror
+			}
+			state = fflib.FFParse_want_value
+			continue
+		case fflib.FFParse_want_value:
+
+			if tok == fflib.FFTok_left_brace || tok == fflib.FFTok_left_bracket || tok == fflib.FFTok_integer || tok == fflib.FFTok_double || tok == fflib.FFTok_string || tok == fflib.FFTok_bool || tok == fflib.FFTok_null {
+				switch currentKey {
+
+				case ffjtsimpleGetClosernosuchkey:
+					err = fs.SkipField(tok)
+					if err != nil {
+						return fs.WrapErr(err)
+					}
+					state = fflib.FFParse_after_value
+					goto mainparse
+				}
+			} else {
+				goto wantedvalue
+			}
+		}
+	}
+
+wantedvalue:
+	return fs.WrapErr(fmt.Errorf("wanted value token, but got token: %v", tok))
+wrongtokenerror:
+	return fs.WrapErr(fmt.Errorf("ffjson: wanted token: %v, but got token: %v output=%s", wantedTok, tok, fs.Output.String()))
+tokerror:
+	if fs.BigError != nil {
+		return fs.WrapErr(fs.BigError)
+	}
+	err = fs.Error.ToError()
+	if err != nil {
+		return fs.WrapErr(err)
+	}
+	panic("ffjson-generated: unreachable, please report bug.")
+done:
+
+	return nil
+}
diff --git a/vendor/github.com/containers/storage/pkg/homedir/homedir_linux.go b/vendor/github.com/containers/storage/pkg/homedir/homedir_linux.go
index c001fbecb..d28ba9d69 100644
--- a/vendor/github.com/containers/storage/pkg/homedir/homedir_linux.go
+++ b/vendor/github.com/containers/storage/pkg/homedir/homedir_linux.go
@@ -1,23 +1,96 @@
-// +build linux
-
 package homedir
 
+// Copyright 2013-2018 Docker, Inc.
+// NOTE: this package has originally been copied from github.com/docker/docker.
+
 import (
+	"errors"
 	"os"
-
-	"github.com/containers/storage/pkg/idtools"
+	"path/filepath"
+	"strings"
 )
 
-// GetStatic returns the home directory for the current user without calling
-// os/user.Current(). This is useful for static-linked binary on glibc-based
-// system, because a call to os/user.Current() in a static binary leads to
-// segfault due to a glibc issue that won't be fixed in a short term.
-// (#29344, golang/go#13470, https://sourceware.org/bugzilla/show_bug.cgi?id=19341)
-func GetStatic() (string, error) {
-	uid := os.Getuid()
-	usr, err := idtools.LookupUID(uid)
+// GetRuntimeDir returns XDG_RUNTIME_DIR.
+// XDG_RUNTIME_DIR is typically configured via pam_systemd.
+// GetRuntimeDir returns non-nil error if XDG_RUNTIME_DIR is not set.
+//
+// See also https://standards.freedesktop.org/basedir-spec/latest/ar01s03.html
+func GetRuntimeDir() (string, error) {
+	if xdgRuntimeDir := os.Getenv("XDG_RUNTIME_DIR"); xdgRuntimeDir != "" {
+		return xdgRuntimeDir, nil
+	}
+	return "", errors.New("could not get XDG_RUNTIME_DIR")
+}
+
+// StickRuntimeDirContents sets the sticky bit on files that are under
+// XDG_RUNTIME_DIR, so that the files won't be periodically removed by the system.
+//
+// StickyRuntimeDir returns slice of sticked files.
+// StickyRuntimeDir returns nil error if XDG_RUNTIME_DIR is not set.
+//
+// See also https://standards.freedesktop.org/basedir-spec/latest/ar01s03.html
+func StickRuntimeDirContents(files []string) ([]string, error) {
+	runtimeDir, err := GetRuntimeDir()
 	if err != nil {
-		return "", err
+		// ignore error if runtimeDir is empty
+		return nil, nil
+	}
+	runtimeDir, err = filepath.Abs(runtimeDir)
+	if err != nil {
+		return nil, err
+	}
+	var sticked []string
+	for _, f := range files {
+		f, err = filepath.Abs(f)
+		if err != nil {
+			return sticked, err
+		}
+		if strings.HasPrefix(f, runtimeDir+"/") {
+			if err = stick(f); err != nil {
+				return sticked, err
+			}
+			sticked = append(sticked, f)
+		}
+	}
+	return sticked, nil
+}
+
+func stick(f string) error {
+	st, err := os.Stat(f)
+	if err != nil {
+		return err
+	}
+	m := st.Mode()
+	m |= os.ModeSticky
+	return os.Chmod(f, m)
+}
+
+// GetDataHome returns XDG_DATA_HOME.
+// GetDataHome returns $HOME/.local/share and nil error if XDG_DATA_HOME is not set.
+//
+// See also https://standards.freedesktop.org/basedir-spec/latest/ar01s03.html
+func GetDataHome() (string, error) {
+	if xdgDataHome := os.Getenv("XDG_DATA_HOME"); xdgDataHome != "" {
+		return xdgDataHome, nil
+	}
+	home := os.Getenv("HOME")
+	if home == "" {
+		return "", errors.New("could not get either XDG_DATA_HOME or HOME")
+	}
+	return filepath.Join(home, ".local", "share"), nil
+}
+
+// GetConfigHome returns XDG_CONFIG_HOME.
+// GetConfigHome returns $HOME/.config and nil error if XDG_CONFIG_HOME is not set.
+//
+// See also https://standards.freedesktop.org/basedir-spec/latest/ar01s03.html
+func GetConfigHome() (string, error) {
+	if xdgConfigHome := os.Getenv("XDG_CONFIG_HOME"); xdgConfigHome != "" {
+		return xdgConfigHome, nil
+	}
+	home := os.Getenv("HOME")
+	if home == "" {
+		return "", errors.New("could not get either XDG_CONFIG_HOME or HOME")
 	}
-	return usr.Home, nil
+	return filepath.Join(home, ".config"), nil
 }
diff --git a/vendor/github.com/containers/storage/pkg/homedir/homedir_others.go b/vendor/github.com/containers/storage/pkg/homedir/homedir_others.go
index 6b96b856f..f7bcfb878 100644
--- a/vendor/github.com/containers/storage/pkg/homedir/homedir_others.go
+++ b/vendor/github.com/containers/storage/pkg/homedir/homedir_others.go
@@ -2,12 +2,29 @@
 
 package homedir
 
+// Copyright 2013-2018 Docker, Inc.
+// NOTE: this package has originally been copied from github.com/docker/docker.
+
 import (
 	"errors"
 )
 
-// GetStatic is not needed for non-linux systems.
-// (Precisely, it is needed only for glibc-based linux systems.)
-func GetStatic() (string, error) {
-	return "", errors.New("homedir.GetStatic() is not supported on this system")
+// GetRuntimeDir is unsupported on non-linux system.
+func GetRuntimeDir() (string, error) {
+	return "", errors.New("homedir.GetRuntimeDir() is not supported on this system")
+}
+
+// StickRuntimeDirContents is unsupported on non-linux system.
+func StickRuntimeDirContents(files []string) ([]string, error) {
+	return nil, errors.New("homedir.StickRuntimeDirContents() is not supported on this system")
+}
+
+// GetDataHome is unsupported on non-linux system.
+func GetDataHome() (string, error) {
+	return "", errors.New("homedir.GetDataHome() is not supported on this system")
+}
+
+// GetConfigHome is unsupported on non-linux system.
+func GetConfigHome() (string, error) {
+	return "", errors.New("homedir.GetConfigHome() is not supported on this system")
 }
diff --git a/vendor/github.com/containers/storage/pkg/homedir/homedir_unix.go b/vendor/github.com/containers/storage/pkg/homedir/homedir_unix.go
index f2a20ea8f..dcadb7e8d 100644
--- a/vendor/github.com/containers/storage/pkg/homedir/homedir_unix.go
+++ b/vendor/github.com/containers/storage/pkg/homedir/homedir_unix.go
@@ -2,10 +2,12 @@
 
 package homedir
 
+// Copyright 2013-2018 Docker, Inc.
+// NOTE: this package has originally been copied from github.com/docker/docker.
+
 import (
 	"os"
-
-	"github.com/opencontainers/runc/libcontainer/user"
+	"os/user"
 )
 
 // Key returns the env var name for the user's home dir based on
@@ -17,11 +19,16 @@ func Key() string {
 // Get returns the home directory of the current user with the help of
 // environment variables depending on the target operating system.
 // Returned path should be used with "path/filepath" to form new paths.
+//
+// If linking statically with cgo enabled against glibc, ensure the
+// osusergo build tag is used.
+//
+// If needing to do nss lookups, do not disable cgo or set osusergo.
 func Get() string {
 	home := os.Getenv(Key())
 	if home == "" {
-		if u, err := user.CurrentUser(); err == nil {
-			return u.Home
+		if u, err := user.Current(); err == nil {
+			return u.HomeDir
 		}
 	}
 	return home
diff --git a/vendor/github.com/containers/storage/pkg/homedir/homedir_windows.go b/vendor/github.com/containers/storage/pkg/homedir/homedir_windows.go
index fafdb2bbf..4f2615ed3 100644
--- a/vendor/github.com/containers/storage/pkg/homedir/homedir_windows.go
+++ b/vendor/github.com/containers/storage/pkg/homedir/homedir_windows.go
@@ -1,5 +1,8 @@
 package homedir
 
+// Copyright 2013-2018 Docker, Inc.
+// NOTE: this package has originally been copied from github.com/docker/docker.
+
 import (
 	"os"
 )
diff --git a/vendor/github.com/containers/storage/pkg/reexec/command_linux.go b/vendor/github.com/containers/storage/pkg/reexec/command_linux.go
index 1ae728a61..372bee732 100644
--- a/vendor/github.com/containers/storage/pkg/reexec/command_linux.go
+++ b/vendor/github.com/containers/storage/pkg/reexec/command_linux.go
@@ -5,9 +5,6 @@ package reexec
 import (
 	"context"
 	"os/exec"
-	"syscall"
-
-	"golang.org/x/sys/unix"
 )
 
 // Self returns the path to the current process's binary.
@@ -16,28 +13,20 @@ func Self() string {
 	return "/proc/self/exe"
 }
 
-// Command returns *exec.Cmd which has Path as current binary. Also it setting
-// SysProcAttr.Pdeathsig to SIGTERM.
+// Command returns *exec.Cmd which has Path as current binary.
 // This will use the in-memory version (/proc/self/exe) of the current binary,
 // it is thus safe to delete or replace the on-disk binary (os.Args[0]).
 func Command(args ...string) *exec.Cmd {
 	cmd := exec.Command(Self())
 	cmd.Args = args
-	cmd.SysProcAttr = &syscall.SysProcAttr{
-		Pdeathsig: unix.SIGTERM,
-	}
 	return cmd
 }
 
-// CommandContext returns *exec.Cmd which has Path as current binary, and also
-// sets SysProcAttr.Pdeathsig to SIGTERM.
+// CommandContext returns *exec.Cmd which has Path as current binary.
 // This will use the in-memory version (/proc/self/exe) of the current binary,
 // it is thus safe to delete or replace the on-disk binary (os.Args[0]).
 func CommandContext(ctx context.Context, args ...string) *exec.Cmd {
 	cmd := exec.CommandContext(ctx, Self())
 	cmd.Args = args
-	cmd.SysProcAttr = &syscall.SysProcAttr{
-		Pdeathsig: unix.SIGTERM,
-	}
 	return cmd
 }
diff --git a/vendor/github.com/containers/storage/store.go b/vendor/github.com/containers/storage/store.go
index b84be4424..d978c476d 100644
--- a/vendor/github.com/containers/storage/store.go
+++ b/vendor/github.com/containers/storage/store.go
@@ -20,6 +20,7 @@ import (
 	"github.com/containers/storage/pkg/archive"
 	cfg "github.com/containers/storage/pkg/config"
 	"github.com/containers/storage/pkg/directory"
+	"github.com/containers/storage/pkg/homedir"
 	"github.com/containers/storage/pkg/idtools"
 	"github.com/containers/storage/pkg/ioutils"
 	"github.com/containers/storage/pkg/parsers"
@@ -3275,9 +3276,9 @@ const defaultConfigFile = "/etc/containers/storage.conf"
 // DefaultConfigFile returns the path to the storage config file used
 func DefaultConfigFile(rootless bool) (string, error) {
 	if rootless {
-		home, err := homeDir()
-		if err != nil {
-			return "", errors.Wrapf(err, "cannot determine users homedir")
+		home := homedir.Get()
+		if home == "" {
+			return "", errors.New("cannot determine user's homedir")
 		}
 		return filepath.Join(home, ".config/containers/storage.conf"), nil
 	}
diff --git a/vendor/github.com/containers/storage/utils.go b/vendor/github.com/containers/storage/utils.go
index 28e0a8d6d..7e4b27d0f 100644
--- a/vendor/github.com/containers/storage/utils.go
+++ b/vendor/github.com/containers/storage/utils.go
@@ -4,12 +4,12 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
-	"os/user"
 	"path/filepath"
 	"strconv"
 	"strings"
 
 	"github.com/BurntSushi/toml"
+	"github.com/containers/storage/pkg/homedir"
 	"github.com/containers/storage/pkg/idtools"
 	"github.com/containers/storage/pkg/system"
 	"github.com/pkg/errors"
@@ -82,9 +82,8 @@ func GetRootlessRuntimeDir(rootlessUID int) (string, error) {
 }
 
 func getRootlessRuntimeDir(rootlessUID int) (string, error) {
-	runtimeDir := os.Getenv("XDG_RUNTIME_DIR")
-
-	if runtimeDir != "" {
+	runtimeDir, err := homedir.GetRuntimeDir()
+	if err == nil {
 		return runtimeDir, nil
 	}
 	tmpDir := fmt.Sprintf("/run/user/%d", rootlessUID)
@@ -98,8 +97,8 @@ func getRootlessRuntimeDir(rootlessUID int) (string, error) {
 	} else {
 		return tmpDir, nil
 	}
-	home, err := homeDir()
-	if err != nil {
+	home := homedir.Get()
+	if home == "" {
 		return "", errors.Wrapf(err, "neither XDG_RUNTIME_DIR nor HOME was set non-empty")
 	}
 	resolvedHome, err := filepath.EvalSymlinks(home)
@@ -117,20 +116,23 @@ func getRootlessDirInfo(rootlessUID int) (string, string, error) {
 		return "", "", err
 	}
 
-	dataDir := os.Getenv("XDG_DATA_HOME")
-	if dataDir == "" {
-		home, err := homeDir()
-		if err != nil {
-			return "", "", errors.Wrapf(err, "neither XDG_DATA_HOME nor HOME was set non-empty")
-		}
-		// runc doesn't like symlinks in the rootfs path, and at least
-		// on CoreOS /home is a symlink to /var/home, so resolve any symlink.
-		resolvedHome, err := filepath.EvalSymlinks(home)
-		if err != nil {
-			return "", "", errors.Wrapf(err, "cannot resolve %s", home)
-		}
-		dataDir = filepath.Join(resolvedHome, ".local", "share")
+	dataDir, err := homedir.GetDataHome()
+	if err == nil {
+		return dataDir, rootlessRuntime, nil
+	}
+
+	home := homedir.Get()
+	if home == "" {
+		return "", "", errors.Wrapf(err, "neither XDG_DATA_HOME nor HOME was set non-empty")
+	}
+	// runc doesn't like symlinks in the rootfs path, and at least
+	// on CoreOS /home is a symlink to /var/home, so resolve any symlink.
+	resolvedHome, err := filepath.EvalSymlinks(home)
+	if err != nil {
+		return "", "", errors.Wrapf(err, "cannot resolve %s", home)
 	}
+	dataDir = filepath.Join(resolvedHome, ".local", "share")
+
 	return dataDir, rootlessRuntime, nil
 }
 
@@ -246,15 +248,3 @@ func DefaultStoreOptions(rootless bool, rootlessUID int) (StoreOptions, error) {
 	}
 	return storageOpts, nil
 }
-
-func homeDir() (string, error) {
-	home := os.Getenv("HOME")
-	if home == "" {
-		usr, err := user.Current()
-		if err != nil {
-			return "", errors.Wrapf(err, "neither XDG_RUNTIME_DIR nor HOME was set non-empty")
-		}
-		home = usr.HomeDir
-	}
-	return home, nil
-}
diff --git a/vendor/github.com/klauspost/compress/flate/fast_encoder.go b/vendor/github.com/klauspost/compress/flate/fast_encoder.go
index b0a470f92..3d2fdcd77 100644
--- a/vendor/github.com/klauspost/compress/flate/fast_encoder.go
+++ b/vendor/github.com/klauspost/compress/flate/fast_encoder.go
@@ -42,10 +42,10 @@ const (
 	baseMatchLength = 3              // The smallest match length per the RFC section 3.2.5
 	maxMatchOffset  = 1 << 15        // The largest match offset
 
-	bTableBits   = 18                                           // Bits used in the big tables
-	bTableSize   = 1 << bTableBits                              // Size of the table
-	allocHistory = maxMatchOffset * 10                          // Size to preallocate for history.
-	bufferReset  = (1 << 31) - allocHistory - maxStoreBlockSize // Reset the buffer offset when reaching this.
+	bTableBits   = 18                                               // Bits used in the big tables
+	bTableSize   = 1 << bTableBits                                  // Size of the table
+	allocHistory = maxStoreBlockSize * 20                           // Size to preallocate for history.
+	bufferReset  = (1 << 31) - allocHistory - maxStoreBlockSize - 1 // Reset the buffer offset when reaching this.
 )
 
 const (
@@ -210,16 +210,14 @@ func (e *fastGen) matchlenLong(s, t int32, src []byte) int32 {
 
 // Reset the encoding table.
 func (e *fastGen) Reset() {
-	if cap(e.hist) < int(maxMatchOffset*8) {
-		l := maxMatchOffset * 8
-		// Make it at least 1MB.
-		if l < 1<<20 {
-			l = 1 << 20
-		}
-		e.hist = make([]byte, 0, l)
+	if cap(e.hist) < allocHistory {
+		e.hist = make([]byte, 0, allocHistory)
+	}
+	// We offset current position so everything will be out of reach.
+	// If we are above the buffer reset it will be cleared anyway since len(hist) == 0.
+	if e.cur <= bufferReset {
+		e.cur += maxMatchOffset + int32(len(e.hist))
 	}
-	// We offset current position so everything will be out of reach
-	e.cur += maxMatchOffset + int32(len(e.hist))
 	e.hist = e.hist[:0]
 }
 
diff --git a/vendor/github.com/klauspost/compress/flate/huffman_bit_writer.go b/vendor/github.com/klauspost/compress/flate/huffman_bit_writer.go
index 9feea87a3..56ee6dc8b 100644
--- a/vendor/github.com/klauspost/compress/flate/huffman_bit_writer.go
+++ b/vendor/github.com/klauspost/compress/flate/huffman_bit_writer.go
@@ -177,6 +177,11 @@ func (w *huffmanBitWriter) flush() {
 		w.nbits = 0
 		return
 	}
+	if w.lastHeader > 0 {
+		// We owe an EOB
+		w.writeCode(w.literalEncoding.codes[endBlockMarker])
+		w.lastHeader = 0
+	}
 	n := w.nbytes
 	for w.nbits != 0 {
 		w.bytes[n] = byte(w.bits)
@@ -594,8 +599,8 @@ func (w *huffmanBitWriter) writeBlockDynamic(tokens *tokens, eof bool, input []b
 		tokens.AddEOB()
 	}
 
-	// We cannot reuse pure huffman table.
-	if w.lastHuffMan && w.lastHeader > 0 {
+	// We cannot reuse pure huffman table, and must mark as EOF.
+	if (w.lastHuffMan || eof) && w.lastHeader > 0 {
 		// We will not try to reuse.
 		w.writeCode(w.literalEncoding.codes[endBlockMarker])
 		w.lastHeader = 0
diff --git a/vendor/github.com/klauspost/compress/flate/level1.go b/vendor/github.com/klauspost/compress/flate/level1.go
index 20de8f11f..102fc74c7 100644
--- a/vendor/github.com/klauspost/compress/flate/level1.go
+++ b/vendor/github.com/klauspost/compress/flate/level1.go
@@ -1,5 +1,7 @@
 package flate
 
+import "fmt"
+
 // fastGen maintains the table for matches,
 // and the previous byte block for level 2.
 // This is the generic implementation.
@@ -14,6 +16,9 @@ func (e *fastEncL1) Encode(dst *tokens, src []byte) {
 		inputMargin            = 12 - 1
 		minNonLiteralBlockSize = 1 + 1 + inputMargin
 	)
+	if debugDecode && e.cur < 0 {
+		panic(fmt.Sprint("e.cur < 0: ", e.cur))
+	}
 
 	// Protect against e.cur wraparound.
 	for e.cur >= bufferReset {
diff --git a/vendor/github.com/klauspost/compress/flate/level2.go b/vendor/github.com/klauspost/compress/flate/level2.go
index 7c824431e..dc6b1d314 100644
--- a/vendor/github.com/klauspost/compress/flate/level2.go
+++ b/vendor/github.com/klauspost/compress/flate/level2.go
@@ -1,5 +1,7 @@
 package flate
 
+import "fmt"
+
 // fastGen maintains the table for matches,
 // and the previous byte block for level 2.
 // This is the generic implementation.
@@ -16,6 +18,10 @@ func (e *fastEncL2) Encode(dst *tokens, src []byte) {
 		minNonLiteralBlockSize = 1 + 1 + inputMargin
 	)
 
+	if debugDecode && e.cur < 0 {
+		panic(fmt.Sprint("e.cur < 0: ", e.cur))
+	}
+
 	// Protect against e.cur wraparound.
 	for e.cur >= bufferReset {
 		if len(e.hist) == 0 {
diff --git a/vendor/github.com/klauspost/compress/flate/level3.go b/vendor/github.com/klauspost/compress/flate/level3.go
index 4153d24c9..1a3ff9b6b 100644
--- a/vendor/github.com/klauspost/compress/flate/level3.go
+++ b/vendor/github.com/klauspost/compress/flate/level3.go
@@ -1,5 +1,7 @@
 package flate
 
+import "fmt"
+
 // fastEncL3
 type fastEncL3 struct {
 	fastGen
@@ -13,6 +15,10 @@ func (e *fastEncL3) Encode(dst *tokens, src []byte) {
 		minNonLiteralBlockSize = 1 + 1 + inputMargin
 	)
 
+	if debugDecode && e.cur < 0 {
+		panic(fmt.Sprint("e.cur < 0: ", e.cur))
+	}
+
 	// Protect against e.cur wraparound.
 	for e.cur >= bufferReset {
 		if len(e.hist) == 0 {
diff --git a/vendor/github.com/klauspost/compress/flate/level4.go b/vendor/github.com/klauspost/compress/flate/level4.go
index c689ac771..f3ecc9c4d 100644
--- a/vendor/github.com/klauspost/compress/flate/level4.go
+++ b/vendor/github.com/klauspost/compress/flate/level4.go
@@ -13,7 +13,9 @@ func (e *fastEncL4) Encode(dst *tokens, src []byte) {
 		inputMargin            = 12 - 1
 		minNonLiteralBlockSize = 1 + 1 + inputMargin
 	)
-
+	if debugDecode && e.cur < 0 {
+		panic(fmt.Sprint("e.cur < 0: ", e.cur))
+	}
 	// Protect against e.cur wraparound.
 	for e.cur >= bufferReset {
 		if len(e.hist) == 0 {
diff --git a/vendor/github.com/klauspost/compress/flate/level5.go b/vendor/github.com/klauspost/compress/flate/level5.go
index 14a235612..4e3916825 100644
--- a/vendor/github.com/klauspost/compress/flate/level5.go
+++ b/vendor/github.com/klauspost/compress/flate/level5.go
@@ -13,6 +13,9 @@ func (e *fastEncL5) Encode(dst *tokens, src []byte) {
 		inputMargin            = 12 - 1
 		minNonLiteralBlockSize = 1 + 1 + inputMargin
 	)
+	if debugDecode && e.cur < 0 {
+		panic(fmt.Sprint("e.cur < 0: ", e.cur))
+	}
 
 	// Protect against e.cur wraparound.
 	for e.cur >= bufferReset {
diff --git a/vendor/github.com/klauspost/compress/flate/level6.go b/vendor/github.com/klauspost/compress/flate/level6.go
index cad0c7df7..00a311977 100644
--- a/vendor/github.com/klauspost/compress/flate/level6.go
+++ b/vendor/github.com/klauspost/compress/flate/level6.go
@@ -13,6 +13,9 @@ func (e *fastEncL6) Encode(dst *tokens, src []byte) {
 		inputMargin            = 12 - 1
 		minNonLiteralBlockSize = 1 + 1 + inputMargin
 	)
+	if debugDecode && e.cur < 0 {
+		panic(fmt.Sprint("e.cur < 0: ", e.cur))
+	}
 
 	// Protect against e.cur wraparound.
 	for e.cur >= bufferReset {
diff --git a/vendor/github.com/klauspost/compress/flate/stateless.go b/vendor/github.com/klauspost/compress/flate/stateless.go
index a47051197..53e899124 100644
--- a/vendor/github.com/klauspost/compress/flate/stateless.go
+++ b/vendor/github.com/klauspost/compress/flate/stateless.go
@@ -8,6 +8,8 @@ import (
 
 const (
 	maxStatelessBlock = math.MaxInt16
+	// dictionary will be taken from maxStatelessBlock, so limit it.
+	maxStatelessDict = 8 << 10
 
 	slTableBits  = 13
 	slTableSize  = 1 << slTableBits
@@ -25,11 +27,11 @@ func (s *statelessWriter) Close() error {
 	}
 	s.closed = true
 	// Emit EOF block
-	return StatelessDeflate(s.dst, nil, true)
+	return StatelessDeflate(s.dst, nil, true, nil)
 }
 
 func (s *statelessWriter) Write(p []byte) (n int, err error) {
-	err = StatelessDeflate(s.dst, p, false)
+	err = StatelessDeflate(s.dst, p, false, nil)
 	if err != nil {
 		return 0, err
 	}
@@ -59,7 +61,10 @@ var bitWriterPool = sync.Pool{
 
 // StatelessDeflate allows to compress directly to a Writer without retaining state.
 // When returning everything will be flushed.
-func StatelessDeflate(out io.Writer, in []byte, eof bool) error {
+// Up to 8KB of an optional dictionary can be given which is presumed to presumed to precede the block.
+// Longer dictionaries will be truncated and will still produce valid output.
+// Sending nil dictionary is perfectly fine.
+func StatelessDeflate(out io.Writer, in []byte, eof bool, dict []byte) error {
 	var dst tokens
 	bw := bitWriterPool.Get().(*huffmanBitWriter)
 	bw.reset(out)
@@ -76,35 +81,53 @@ func StatelessDeflate(out io.Writer, in []byte, eof bool) error {
 		return bw.err
 	}
 
+	// Truncate dict
+	if len(dict) > maxStatelessDict {
+		dict = dict[len(dict)-maxStatelessDict:]
+	}
+
 	for len(in) > 0 {
 		todo := in
-		if len(todo) > maxStatelessBlock {
-			todo = todo[:maxStatelessBlock]
+		if len(todo) > maxStatelessBlock-len(dict) {
+			todo = todo[:maxStatelessBlock-len(dict)]
 		}
 		in = in[len(todo):]
+		uncompressed := todo
+		if len(dict) > 0 {
+			// combine dict and source
+			bufLen := len(todo) + len(dict)
+			combined := make([]byte, bufLen)
+			copy(combined, dict)
+			copy(combined[len(dict):], todo)
+			todo = combined
+		}
 		// Compress
-		statelessEnc(&dst, todo)
+		statelessEnc(&dst, todo, int16(len(dict)))
 		isEof := eof && len(in) == 0
 
 		if dst.n == 0 {
-			bw.writeStoredHeader(len(todo), isEof)
+			bw.writeStoredHeader(len(uncompressed), isEof)
 			if bw.err != nil {
 				return bw.err
 			}
-			bw.writeBytes(todo)
-		} else if int(dst.n) > len(todo)-len(todo)>>4 {
+			bw.writeBytes(uncompressed)
+		} else if int(dst.n) > len(uncompressed)-len(uncompressed)>>4 {
 			// If we removed less than 1/16th, huffman compress the block.
-			bw.writeBlockHuff(isEof, todo, false)
+			bw.writeBlockHuff(isEof, uncompressed, len(in) == 0)
 		} else {
-			bw.writeBlockDynamic(&dst, isEof, todo, false)
+			bw.writeBlockDynamic(&dst, isEof, uncompressed, len(in) == 0)
+		}
+		if len(in) > 0 {
+			// Retain a dict if we have more
+			dict = todo[len(todo)-maxStatelessDict:]
+			dst.Reset()
 		}
 		if bw.err != nil {
 			return bw.err
 		}
-		dst.Reset()
 	}
 	if !eof {
-		// Align.
+		// Align, only a stored block can do that.
 		bw.writeStoredHeader(0, false)
 	}
 	bw.flush()
@@ -130,7 +153,7 @@ func load6416(b []byte, i int16) uint64 {
 		uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
 }
 
-func statelessEnc(dst *tokens, src []byte) {
+func statelessEnc(dst *tokens, src []byte, startAt int16) {
 	const (
 		inputMargin            = 12 - 1
 		minNonLiteralBlockSize = 1 + 1 + inputMargin
@@ -144,15 +167,23 @@ func statelessEnc(dst *tokens, src []byte) {
 
 	// This check isn't in the Snappy implementation, but there, the caller
 	// instead of the callee handles this case.
-	if len(src) < minNonLiteralBlockSize {
+	if len(src)-int(startAt) < minNonLiteralBlockSize {
 		// We do not fill the token table.
 		// This will be picked up by caller.
-		dst.n = uint16(len(src))
+		dst.n = 0
 		return
 	}
+	// Index until startAt
+	if startAt > 0 {
+		cv := load3232(src, 0)
+		for i := int16(0); i < startAt; i++ {
+			table[hashSL(cv)] = tableEntry{offset: i}
+			cv = (cv >> 8) | (uint32(src[i+4]) << 24)
+		}
+	}
 
-	s := int16(1)
-	nextEmit := int16(0)
+	s := startAt + 1
+	nextEmit := startAt
 	// sLimit is when to stop looking for offset/length copies. The inputMargin
 	// lets us use a fast path for emitLiteral in the main loop, while we are
 	// looking for copies.
diff --git a/vendor/github.com/mattn/go-shellwords/util_go15.go b/vendor/github.com/mattn/go-shellwords/util_go15.go
deleted file mode 100644
index ddcbf229e..000000000
--- a/vendor/github.com/mattn/go-shellwords/util_go15.go
+++ /dev/null
@@ -1,29 +0,0 @@
-// +build !go1.6
-
-package shellwords
-
-import (
-	"os"
-	"os/exec"
-	"runtime"
-	"strings"
-)
-
-func shellRun(line, dir string) (string, error) {
-	var b []byte
-	var err error
-	var cmd *exec.Cmd
-	if runtime.GOOS == "windows" {
-		cmd = exec.Command(os.Getenv("COMSPEC"), "/c", line)
-	} else {
-		cmd = exec.Command(os.Getenv("SHELL"), "-c", line)
-	}
-	if dir != "" {
-		cmd.Dir = dir
-	}
-	b, err = cmd.Output()
-	if err != nil {
-		return "", err
-	}
-	return strings.TrimSpace(string(b)), nil
-}
diff --git a/vendor/github.com/mattn/go-shellwords/util_posix.go b/vendor/github.com/mattn/go-shellwords/util_posix.go
index 3aef2c4d7..988fc9ed2 100644
--- a/vendor/github.com/mattn/go-shellwords/util_posix.go
+++ b/vendor/github.com/mattn/go-shellwords/util_posix.go
@@ -1,4 +1,4 @@
-// +build !windows,go1.6
+// +build !windows
 
 package shellwords
 
@@ -10,7 +10,10 @@ import (
 )
 
 func shellRun(line, dir string) (string, error) {
-	shell := os.Getenv("SHELL")
+	var shell string
+	if shell = os.Getenv("SHELL"); shell == "" {
+		shell = "/bin/sh"
+	}
 	cmd := exec.Command(shell, "-c", line)
 	if dir != "" {
 		cmd.Dir = dir
diff --git a/vendor/github.com/mattn/go-shellwords/util_windows.go b/vendor/github.com/mattn/go-shellwords/util_windows.go
index cda685091..20546737c 100644
--- a/vendor/github.com/mattn/go-shellwords/util_windows.go
+++ b/vendor/github.com/mattn/go-shellwords/util_windows.go
@@ -1,4 +1,4 @@
-// +build windows,go1.6
+// +build windows
 
 package shellwords
 
@@ -10,7 +10,10 @@ import (
 )
 
 func shellRun(line, dir string) (string, error) {
-	shell := os.Getenv("COMSPEC")
+	var shell string
+	if shell = os.Getenv("COMSPEC"); shell == "" {
+		shell = "cmd"
+	}
 	cmd := exec.Command(shell, "/c", line)
 	if dir != "" {
 		cmd.Dir = dir