Merge pull request #9298 from containers/dependabot/go_modules/github.com/spf13/cobra-1.1.2

Bump github.com/spf13/cobra from 1.1.1 to 1.1.2

26 files changed, 670 insertions, 298 deletions

diff --git a/go.mod b/go.mod
index 08a240e52..1f494ef95 100644
--- a/go.mod
+++ b/go.mod
@@ -52,7 +52,7 @@ require (
 	github.com/pmezard/go-difflib v1.0.0
 	github.com/rootless-containers/rootlesskit v0.13.0
 	github.com/sirupsen/logrus v1.7.0
-	github.com/spf13/cobra v1.1.1
+	github.com/spf13/cobra v1.1.2
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.7.0
 	github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2
diff --git a/go.sum b/go.sum
index 7ebb916d5..43d37a098 100644
--- a/go.sum
+++ b/go.sum
@@ -558,6 +558,8 @@ github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkU
 github.com/spf13/cobra v0.0.2-0.20171109065643-2da4a54c5cee/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3XqQ=
 github.com/spf13/cobra v1.1.1 h1:KfztREH0tPxJJ+geloSLaAkaPkr4ki2Er5quFV1TDo4=
 github.com/spf13/cobra v1.1.1/go.mod h1:WnodtKOvamDL/PwE2M4iKs8aMDBZ5Q5klgD3qfVJQMI=
+github.com/spf13/cobra v1.1.2 h1:frHO75w/dH7kEc+e2KYZZKY4+PLrp39OqI77oB8m0KQ=
+github.com/spf13/cobra v1.1.2/go.mod h1:ZjwqWkCg0LnXvLRIfTLdB4Y/MCO3gMHHJ2KFxQZy4xE=
 github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
 github.com/spf13/pflag v0.0.0-20170130214245-9ff6c6923cff/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/pflag v1.0.1-0.20171106142849-4c012f6dcd95/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
@@ -895,6 +897,8 @@ gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 h1:tQIYjPdBoyREyB9XMu+nnTclpTYkz2zFM+lzLJFO4gQ=
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/vendor/github.com/spf13/cobra/.golangci.yml b/vendor/github.com/spf13/cobra/.golangci.yml
new file mode 100644
index 000000000..0d6e61793
--- /dev/null
+++ b/vendor/github.com/spf13/cobra/.golangci.yml
@@ -0,0 +1,48 @@
+run:
+  deadline: 5m
+
+linters:
+  disable-all: true
+  enable:
+    #- bodyclose
+    - deadcode
+    #- depguard
+    #- dogsled
+    #- dupl
+    - errcheck
+    #- exhaustive
+    #- funlen
+    - gas
+    #- gochecknoinits
+    - goconst
+    #- gocritic
+    #- gocyclo
+    #- gofmt
+    - goimports
+    - golint
+    #- gomnd
+    #- goprintffuncname
+    #- gosec
+    #- gosimple
+    - govet
+    - ineffassign
+    - interfacer
+    #- lll
+    - maligned
+    - megacheck
+    #- misspell
+    #- nakedret
+    #- noctx
+    #- nolintlint
+    #- rowserrcheck
+    #- scopelint
+    #- staticcheck
+    - structcheck
+    #- stylecheck
+    #- typecheck
+    - unconvert
+    #- unparam
+    #- unused
+    - varcheck
+    #- whitespace
+  fast: false
diff --git a/vendor/github.com/spf13/cobra/.travis.yml b/vendor/github.com/spf13/cobra/.travis.yml
index a9bd4e547..0821efdca 100644
--- a/vendor/github.com/spf13/cobra/.travis.yml
+++ b/vendor/github.com/spf13/cobra/.travis.yml
@@ -1,29 +1,28 @@
 language: go
 
 stages:
-  - diff
   - test
   - build
 
 go:
-  - 1.12.x
-  - 1.13.x
+  - 1.14.x
+  - 1.15.x
   - tip
 
+env: GO111MODULE=on
+
 before_install:
   - go get -u github.com/kyoh86/richgo
   - go get -u github.com/mitchellh/gox
+  - curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin latest
 
 matrix:
   allow_failures:
     - go: tip
   include:
-    - stage: diff
-      go: 1.13.x
-      script: make fmt
     - stage: build
-      go: 1.13.x
+      go: 1.14.x
       script: make cobra_generator
 
-script: 
+script:
  - make test
diff --git a/vendor/github.com/spf13/cobra/CHANGELOG.md b/vendor/github.com/spf13/cobra/CHANGELOG.md
index 742d6d6e2..648c8f490 100644
--- a/vendor/github.com/spf13/cobra/CHANGELOG.md
+++ b/vendor/github.com/spf13/cobra/CHANGELOG.md
@@ -1,11 +1,36 @@
 # Cobra Changelog
 
-## Pending
-* Fix man page doc generation - no auto generated tag when `cmd.DisableAutoGenTag = true` @jpmcb
+## v1.1.2
+
+### Notable Changes
+
+* Bump license year to 2021 in golden files (#1309) @Bowbaq
+* Enhance PowerShell completion with custom comp (#1208) @Luap99
+* Update gopkg.in/yaml.v2 to v2.4.0: The previous breaking change in yaml.v2 v2.3.0 has been reverted, see go-yaml/yaml#670
+* Documentation readability improvements (#1228 etc.) @zaataylor etc.
+* Use golangci-lint: Repair warnings and errors resulting from linting (#1044) @umarcor
+
+## v1.1.1
+
+* **Fix:** yaml.v2 2.3.0 contained a unintended breaking change. This release reverts to yaml.v2 v2.2.8 which has recent critical CVE fixes, but does not have the breaking changes. See https://github.com/spf13/cobra/pull/1259 for context.
+* **Fix:** correct internal formatting for go-md2man v2 (which caused man page generation to be broken). See https://github.com/spf13/cobra/issues/1049 for context.
+
+## v1.1.0
+
+### Notable Changes
+
+* Extend Go completions and revamp zsh comp (#1070)
+* Fix man page doc generation - no auto generated tag when `cmd.DisableAutoGenTag = true` (#1104) @jpmcb
+* Add completion for help command (#1136)
+* Complete subcommands when TraverseChildren is set (#1171)
+* Fix stderr printing functions (#894)
+* fix: fish output redirection (#1247)
 
 ## v1.0.0
+
 Announcing v1.0.0 of Cobra. 🎉
-**Notable Changes**
+
+### Notable Changes
 * Fish completion (including support for Go custom completion) @marckhouzam
 * API (urgent): Rename BashCompDirectives to ShellCompDirectives @marckhouzam
 * Remove/replace SetOutput on Command - deprecated @jpmcb
diff --git a/vendor/github.com/spf13/cobra/CONDUCT.md b/vendor/github.com/spf13/cobra/CONDUCT.md
new file mode 100644
index 000000000..9d16f88fd
--- /dev/null
+++ b/vendor/github.com/spf13/cobra/CONDUCT.md
@@ -0,0 +1,37 @@
+## Cobra User Contract
+
+### Versioning
+Cobra will follow a steady release cadence. Non breaking changes will be released as minor versions quarterly. Patch bug releases are at the discretion of the maintainers. Users can expect security patch fixes to be released within relatively short order of a CVE becoming known. For more information on security patch fixes see the CVE section below. Releases will follow [Semantic Versioning](https://semver.org/). Users tracking the Master branch should expect unpredictable breaking changes as the project continues to move forward. For stability, it is highly recommended to use a release.
+
+### Backward Compatibility
+We will maintain two major releases in a moving window. The N-1 release will only receive bug fixes and security updates and will be dropped once N+1 is released.
+
+### Deprecation
+Deprecation of Go versions or dependent packages will only occur in major releases. To reduce the change of this taking users by surprise, any large deprecation will be preceded by an announcement in the [#cobra slack channel](https://gophers.slack.com/archives/CD3LP1199) and an Issue on Github.
+
+### CVE
+Maintainers will make every effort to release security patches in the case of a medium to high severity CVE directly impacting the library. The speed in which these patches reach a release is up to the discretion of the maintainers. A low severity CVE may be a lower priority than a high severity one.
+
+### Communication
+Cobra maintainers will use GitHub issues and the [#cobra slack channel](https://gophers.slack.com/archives/CD3LP1199) as the primary means of communication with the community. This is to foster open communication with all users and contributors.
+
+### Breaking Changes
+Breaking changes are generally allowed in the master branch, as this is the branch used to develop the next release of Cobra.
+
+There may be times, however, when master is closed for breaking changes. This is likely to happen as we near the release of a new version.
+
+Breaking changes are not allowed in release branches, as these represent minor versions that have already been released. These version have consumers who expect the APIs, behaviors, etc, to remain stable during the lifetime of the patch stream for the minor release.
+
+Examples of breaking changes include:
+- Removing or renaming exported constant, variable, type, or function.
+- Updating the version of critical libraries such as `spf13/pflag`, `spf13/viper` etc...
+  - Some version updates may be acceptable for picking up bug fixes, but maintainers must exercise caution when reviewing.
+
+There may, at times, need to be exceptions where breaking changes are allowed in release branches. These are at the discretion of the project's maintainers, and must be carefully considered before merging.
+
+### CI Testing
+Maintainers will ensure the Cobra test suite utilizes the current supported versions of Golang.
+
+### Disclaimer
+Changes to this document and the contents therein are at the discretion of the maintainers.
+None of the contents of this document are legally binding in any way to the maintainers or the users.
diff --git a/vendor/github.com/spf13/cobra/Makefile b/vendor/github.com/spf13/cobra/Makefile
index e9740d1e1..472c73bf1 100644
--- a/vendor/github.com/spf13/cobra/Makefile
+++ b/vendor/github.com/spf13/cobra/Makefile
@@ -1,21 +1,29 @@
 BIN="./bin"
 SRC=$(shell find . -name "*.go")
 
+ifeq (, $(shell which golangci-lint))
+$(warning "could not find golangci-lint in $(PATH), run: curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh")
+endif
+
 ifeq (, $(shell which richgo))
 $(warning "could not find richgo in $(PATH), run: go get github.com/kyoh86/richgo")
 endif
 
-.PHONY: fmt vet test cobra_generator install_deps clean
+.PHONY: fmt lint test cobra_generator install_deps clean
 
 default: all
 
-all: fmt vet test cobra_generator	
+all: fmt test cobra_generator
 
 fmt:
 	$(info ******************** checking formatting ********************)
 	@test -z $(shell gofmt -l $(SRC)) || (gofmt -d $(SRC); exit 1)
 
-test: install_deps vet
+lint:
+	$(info ******************** running lint tools ********************)
+	golangci-lint run -v
+
+test: install_deps lint
 	$(info ******************** running tests ********************)
 	richgo test -v ./...
 
@@ -28,9 +36,5 @@ install_deps:
 	$(info ******************** downloading dependencies ********************)
 	go get -v ./...
 
-vet:
-	$(info ******************** vetting ********************)
-	go vet ./...
-
 clean:
 	rm -rf $(BIN)
diff --git a/vendor/github.com/spf13/cobra/README.md b/vendor/github.com/spf13/cobra/README.md
index 3cf1b25d8..a1b13ddda 100644
--- a/vendor/github.com/spf13/cobra/README.md
+++ b/vendor/github.com/spf13/cobra/README.md
@@ -6,6 +6,7 @@ Cobra is used in many Go projects such as [Kubernetes](http://kubernetes.io/),
 [Hugo](https://gohugo.io), and [Github CLI](https://github.com/cli/cli) to
 name a few. [This list](./projects_using_cobra.md) contains a more extensive list of projects using Cobra.
 
+[![](https://img.shields.io/github/workflow/status/spf13/cobra/Test?longCache=tru&label=Test&logo=github%20actions&logoColor=fff)](https://github.com/spf13/cobra/actions?query=workflow%3ATest)
 [![Build Status](https://travis-ci.org/spf13/cobra.svg "Travis CI status")](https://travis-ci.org/spf13/cobra)
 [![GoDoc](https://godoc.org/github.com/spf13/cobra?status.svg)](https://godoc.org/github.com/spf13/cobra)
 [![Go Report Card](https://goreportcard.com/badge/github.com/spf13/cobra)](https://goreportcard.com/report/github.com/spf13/cobra)
@@ -62,8 +63,8 @@ Cobra is built on a structure of commands, arguments & flags.
 
 **Commands** represent actions, **Args** are things and **Flags** are modifiers for those actions.
 
-The best applications will read like sentences when used. Users will know how
-to use the application because they will natively understand how to use it.
+The best applications read like sentences when used, and as a result, users
+intuitively know how to interact with them.
 
 The pattern to follow is
 `APPNAME VERB NOUN --ADJECTIVE.`
@@ -234,11 +235,6 @@ func init() {
 	rootCmd.AddCommand(initCmd)
 }
 
-func er(msg interface{}) {
-	fmt.Println("Error:", msg)
-	os.Exit(1)
-}
-
 func initConfig() {
 	if cfgFile != "" {
 		// Use config file from the flag.
@@ -246,9 +242,7 @@ func initConfig() {
 	} else {
 		// Find home directory.
 		home, err := homedir.Dir()
-		if err != nil {
-			er(err)
-		}
+		cobra.CheckErr(err)
 
 		// Search config in home directory with name ".cobra" (without extension).
 		viper.AddConfigPath(home)
@@ -268,7 +262,7 @@ func initConfig() {
 With the root command you need to have your main function execute it.
 Execute should be run on the root for clarity, though it can be called on any command.
 
-In a Cobra app, typically the main.go file is very bare. It serves, one purpose, to initialize Cobra.
+In a Cobra app, typically the main.go file is very bare. It serves one purpose: to initialize Cobra.
 
 ```go
 package main
@@ -363,7 +357,7 @@ There are two different approaches to assign a flag.
 
 ### Persistent Flags
 
-A flag can be 'persistent' meaning that this flag will be available to the
+A flag can be 'persistent', meaning that this flag will be available to the
 command it's assigned to as well as every command under that command. For
 global flags, assign a flag as a persistent flag on the root.
 
@@ -373,7 +367,7 @@ rootCmd.PersistentFlags().BoolVarP(&Verbose, "verbose", "v", false, "verbose out
 
 ### Local Flags
 
-A flag can also be assigned locally which will only apply to that specific command.
+A flag can also be assigned locally, which will only apply to that specific command.
 
 ```go
 localCmd.Flags().StringVarP(&Source, "source", "s", "", "Source directory to read from")
@@ -381,8 +375,8 @@ localCmd.Flags().StringVarP(&Source, "source", "s", "", "Source directory to rea
 
 ### Local Flag on Parent Commands
 
-By default Cobra only parses local flags on the target command, any local flags on
-parent commands are ignored. By enabling `Command.TraverseChildren` Cobra will
+By default, Cobra only parses local flags on the target command, and any local flags on
+parent commands are ignored. By enabling `Command.TraverseChildren`, Cobra will
 parse local flags on each command before executing the target command.
 
 ```go
@@ -404,8 +398,8 @@ func init() {
 }
 ```
 
-In this example the persistent flag `author` is bound with `viper`.
-**Note**, that the variable `author` will not be set to the value from config,
+In this example, the persistent flag `author` is bound with `viper`.
+**Note**: the variable `author` will not be set to the value from config,
 when the `--author` flag is not provided by user.
 
 More in [viper documentation](https://github.com/spf13/viper#working-with-flags).
@@ -465,7 +459,7 @@ var cmd = &cobra.Command{
 
 In the example below, we have defined three commands. Two are at the top level
 and one (cmdTimes) is a child of one of the top commands. In this case the root
-is not executable meaning that a subcommand is required. This is accomplished
+is not executable, meaning that a subcommand is required. This is accomplished
 by not providing a 'Run' for the 'rootCmd'.
 
 We have only defined one flag for a single command.
@@ -759,7 +753,7 @@ Cobra can generate documentation based on subcommands, flags, etc. Read more abo
 
 ## Generating shell completions
 
-Cobra can generate a shell-completion file for the following shells: Bash, Zsh, Fish, Powershell. If you add more information to your commands, these completions can be amazingly powerful and flexible.  Read more about it in [Shell Completions](shell_completions.md).
+Cobra can generate a shell-completion file for the following shells: bash, zsh, fish, PowerShell. If you add more information to your commands, these completions can be amazingly powerful and flexible.  Read more about it in [Shell Completions](shell_completions.md).
 
 # License
 
diff --git a/vendor/github.com/spf13/cobra/bash_completions.go b/vendor/github.com/spf13/cobra/bash_completions.go
index 846636d75..710614793 100644
--- a/vendor/github.com/spf13/cobra/bash_completions.go
+++ b/vendor/github.com/spf13/cobra/bash_completions.go
@@ -19,9 +19,9 @@ const (
 	BashCompSubdirsInDir    = "cobra_annotation_bash_completion_subdirs_in_dir"
 )
 
-func writePreamble(buf *bytes.Buffer, name string) {
-	buf.WriteString(fmt.Sprintf("# bash completion for %-36s -*- shell-script -*-\n", name))
-	buf.WriteString(fmt.Sprintf(`
+func writePreamble(buf io.StringWriter, name string) {
+	WriteStringAndCheck(buf, fmt.Sprintf("# bash completion for %-36s -*- shell-script -*-\n", name))
+	WriteStringAndCheck(buf, fmt.Sprintf(`
 __%[1]s_debug()
 {
     if [[ -n ${BASH_COMP_DEBUG_FILE} ]]; then
@@ -380,10 +380,10 @@ __%[1]s_handle_word()
 		ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs))
 }
 
-func writePostscript(buf *bytes.Buffer, name string) {
+func writePostscript(buf io.StringWriter, name string) {
 	name = strings.Replace(name, ":", "__", -1)
-	buf.WriteString(fmt.Sprintf("__start_%s()\n", name))
-	buf.WriteString(fmt.Sprintf(`{
+	WriteStringAndCheck(buf, fmt.Sprintf("__start_%s()\n", name))
+	WriteStringAndCheck(buf, fmt.Sprintf(`{
     local cur prev words cword
     declare -A flaghash 2>/dev/null || :
     declare -A aliashash 2>/dev/null || :
@@ -410,33 +410,33 @@ func writePostscript(buf *bytes.Buffer, name string) {
 }
 
 `, name))
-	buf.WriteString(fmt.Sprintf(`if [[ $(type -t compopt) = "builtin" ]]; then
+	WriteStringAndCheck(buf, fmt.Sprintf(`if [[ $(type -t compopt) = "builtin" ]]; then
     complete -o default -F __start_%s %s
 else
     complete -o default -o nospace -F __start_%s %s
 fi
 
 `, name, name, name, name))
-	buf.WriteString("# ex: ts=4 sw=4 et filetype=sh\n")
+	WriteStringAndCheck(buf, "# ex: ts=4 sw=4 et filetype=sh\n")
 }
 
-func writeCommands(buf *bytes.Buffer, cmd *Command) {
-	buf.WriteString("    commands=()\n")
+func writeCommands(buf io.StringWriter, cmd *Command) {
+	WriteStringAndCheck(buf, "    commands=()\n")
 	for _, c := range cmd.Commands() {
 		if !c.IsAvailableCommand() && c != cmd.helpCommand {
 			continue
 		}
-		buf.WriteString(fmt.Sprintf("    commands+=(%q)\n", c.Name()))
+		WriteStringAndCheck(buf, fmt.Sprintf("    commands+=(%q)\n", c.Name()))
 		writeCmdAliases(buf, c)
 	}
-	buf.WriteString("\n")
+	WriteStringAndCheck(buf, "\n")
 }
 
-func writeFlagHandler(buf *bytes.Buffer, name string, annotations map[string][]string, cmd *Command) {
+func writeFlagHandler(buf io.StringWriter, name string, annotations map[string][]string, cmd *Command) {
 	for key, value := range annotations {
 		switch key {
 		case BashCompFilenameExt:
-			buf.WriteString(fmt.Sprintf("    flags_with_completion+=(%q)\n", name))
+			WriteStringAndCheck(buf, fmt.Sprintf("    flags_with_completion+=(%q)\n", name))
 
 			var ext string
 			if len(value) > 0 {
@@ -444,17 +444,18 @@ func writeFlagHandler(buf *bytes.Buffer, name string, annotations map[string][]s
 			} else {
 				ext = "_filedir"
 			}
-			buf.WriteString(fmt.Sprintf("    flags_completion+=(%q)\n", ext))
+			WriteStringAndCheck(buf, fmt.Sprintf("    flags_completion+=(%q)\n", ext))
 		case BashCompCustom:
-			buf.WriteString(fmt.Sprintf("    flags_with_completion+=(%q)\n", name))
+			WriteStringAndCheck(buf, fmt.Sprintf("    flags_with_completion+=(%q)\n", name))
+
 			if len(value) > 0 {
 				handlers := strings.Join(value, "; ")
-				buf.WriteString(fmt.Sprintf("    flags_completion+=(%q)\n", handlers))
+				WriteStringAndCheck(buf, fmt.Sprintf("    flags_completion+=(%q)\n", handlers))
 			} else {
-				buf.WriteString("    flags_completion+=(:)\n")
+				WriteStringAndCheck(buf, "    flags_completion+=(:)\n")
 			}
 		case BashCompSubdirsInDir:
-			buf.WriteString(fmt.Sprintf("    flags_with_completion+=(%q)\n", name))
+			WriteStringAndCheck(buf, fmt.Sprintf("    flags_with_completion+=(%q)\n", name))
 
 			var ext string
 			if len(value) == 1 {
@@ -462,46 +463,48 @@ func writeFlagHandler(buf *bytes.Buffer, name string, annotations map[string][]s
 			} else {
 				ext = "_filedir -d"
 			}
-			buf.WriteString(fmt.Sprintf("    flags_completion+=(%q)\n", ext))
+			WriteStringAndCheck(buf, fmt.Sprintf("    flags_completion+=(%q)\n", ext))
 		}
 	}
 }
 
-func writeShortFlag(buf *bytes.Buffer, flag *pflag.Flag, cmd *Command) {
+const cbn = "\")\n"
+
+func writeShortFlag(buf io.StringWriter, flag *pflag.Flag, cmd *Command) {
 	name := flag.Shorthand
 	format := "    "
 	if len(flag.NoOptDefVal) == 0 {
 		format += "two_word_"
 	}
-	format += "flags+=(\"-%s\")\n"
-	buf.WriteString(fmt.Sprintf(format, name))
+	format += "flags+=(\"-%s" + cbn
+	WriteStringAndCheck(buf, fmt.Sprintf(format, name))
 	writeFlagHandler(buf, "-"+name, flag.Annotations, cmd)
 }
 
-func writeFlag(buf *bytes.Buffer, flag *pflag.Flag, cmd *Command) {
+func writeFlag(buf io.StringWriter, flag *pflag.Flag, cmd *Command) {
 	name := flag.Name
 	format := "    flags+=(\"--%s"
 	if len(flag.NoOptDefVal) == 0 {
 		format += "="
 	}
-	format += "\")\n"
-	buf.WriteString(fmt.Sprintf(format, name))
+	format += cbn
+	WriteStringAndCheck(buf, fmt.Sprintf(format, name))
 	if len(flag.NoOptDefVal) == 0 {
-		format = "    two_word_flags+=(\"--%s\")\n"
-		buf.WriteString(fmt.Sprintf(format, name))
+		format = "    two_word_flags+=(\"--%s" + cbn
+		WriteStringAndCheck(buf, fmt.Sprintf(format, name))
 	}
 	writeFlagHandler(buf, "--"+name, flag.Annotations, cmd)
 }
 
-func writeLocalNonPersistentFlag(buf *bytes.Buffer, flag *pflag.Flag) {
+func writeLocalNonPersistentFlag(buf io.StringWriter, flag *pflag.Flag) {
 	name := flag.Name
-	format := "    local_nonpersistent_flags+=(\"--%[1]s\")\n"
+	format := "    local_nonpersistent_flags+=(\"--%[1]s" + cbn
 	if len(flag.NoOptDefVal) == 0 {
-		format += "    local_nonpersistent_flags+=(\"--%[1]s=\")\n"
+		format += "    local_nonpersistent_flags+=(\"--%[1]s=" + cbn
 	}
-	buf.WriteString(fmt.Sprintf(format, name))
+	WriteStringAndCheck(buf, fmt.Sprintf(format, name))
 	if len(flag.Shorthand) > 0 {
-		buf.WriteString(fmt.Sprintf("    local_nonpersistent_flags+=(\"-%s\")\n", flag.Shorthand))
+		WriteStringAndCheck(buf, fmt.Sprintf("    local_nonpersistent_flags+=(\"-%s\")\n", flag.Shorthand))
 	}
 }
 
@@ -519,9 +522,9 @@ func prepareCustomAnnotationsForFlags(cmd *Command) {
 	}
 }
 
-func writeFlags(buf *bytes.Buffer, cmd *Command) {
+func writeFlags(buf io.StringWriter, cmd *Command) {
 	prepareCustomAnnotationsForFlags(cmd)
-	buf.WriteString(`    flags=()
+	WriteStringAndCheck(buf, `    flags=()
     two_word_flags=()
     local_nonpersistent_flags=()
     flags_with_completion=()
@@ -553,11 +556,11 @@ func writeFlags(buf *bytes.Buffer, cmd *Command) {
 		}
 	})
 
-	buf.WriteString("\n")
+	WriteStringAndCheck(buf, "\n")
 }
 
-func writeRequiredFlag(buf *bytes.Buffer, cmd *Command) {
-	buf.WriteString("    must_have_one_flag=()\n")
+func writeRequiredFlag(buf io.StringWriter, cmd *Command) {
+	WriteStringAndCheck(buf, "    must_have_one_flag=()\n")
 	flags := cmd.NonInheritedFlags()
 	flags.VisitAll(func(flag *pflag.Flag) {
 		if nonCompletableFlag(flag) {
@@ -570,55 +573,55 @@ func writeRequiredFlag(buf *bytes.Buffer, cmd *Command) {
 				if flag.Value.Type() != "bool" {
 					format += "="
 				}
-				format += "\")\n"
-				buf.WriteString(fmt.Sprintf(format, flag.Name))
+				format += cbn
+				WriteStringAndCheck(buf, fmt.Sprintf(format, flag.Name))
 
 				if len(flag.Shorthand) > 0 {
-					buf.WriteString(fmt.Sprintf("    must_have_one_flag+=(\"-%s\")\n", flag.Shorthand))
+					WriteStringAndCheck(buf, fmt.Sprintf("    must_have_one_flag+=(\"-%s"+cbn, flag.Shorthand))
 				}
 			}
 		}
 	})
 }
 
-func writeRequiredNouns(buf *bytes.Buffer, cmd *Command) {
-	buf.WriteString("    must_have_one_noun=()\n")
-	sort.Sort(sort.StringSlice(cmd.ValidArgs))
+func writeRequiredNouns(buf io.StringWriter, cmd *Command) {
+	WriteStringAndCheck(buf, "    must_have_one_noun=()\n")
+	sort.Strings(cmd.ValidArgs)
 	for _, value := range cmd.ValidArgs {
 		// Remove any description that may be included following a tab character.
 		// Descriptions are not supported by bash completion.
 		value = strings.Split(value, "\t")[0]
-		buf.WriteString(fmt.Sprintf("    must_have_one_noun+=(%q)\n", value))
+		WriteStringAndCheck(buf, fmt.Sprintf("    must_have_one_noun+=(%q)\n", value))
 	}
 	if cmd.ValidArgsFunction != nil {
-		buf.WriteString("    has_completion_function=1\n")
+		WriteStringAndCheck(buf, "    has_completion_function=1\n")
 	}
 }
 
-func writeCmdAliases(buf *bytes.Buffer, cmd *Command) {
+func writeCmdAliases(buf io.StringWriter, cmd *Command) {
 	if len(cmd.Aliases) == 0 {
 		return
 	}
 
-	sort.Sort(sort.StringSlice(cmd.Aliases))
+	sort.Strings(cmd.Aliases)
 
-	buf.WriteString(fmt.Sprint(`    if [[ -z "${BASH_VERSION}" || "${BASH_VERSINFO[0]}" -gt 3 ]]; then`, "\n"))
+	WriteStringAndCheck(buf, fmt.Sprint(`    if [[ -z "${BASH_VERSION}" || "${BASH_VERSINFO[0]}" -gt 3 ]]; then`, "\n"))
 	for _, value := range cmd.Aliases {
-		buf.WriteString(fmt.Sprintf("        command_aliases+=(%q)\n", value))
-		buf.WriteString(fmt.Sprintf("        aliashash[%q]=%q\n", value, cmd.Name()))
+		WriteStringAndCheck(buf, fmt.Sprintf("        command_aliases+=(%q)\n", value))
+		WriteStringAndCheck(buf, fmt.Sprintf("        aliashash[%q]=%q\n", value, cmd.Name()))
 	}
-	buf.WriteString(`    fi`)
-	buf.WriteString("\n")
+	WriteStringAndCheck(buf, `    fi`)
+	WriteStringAndCheck(buf, "\n")
 }
-func writeArgAliases(buf *bytes.Buffer, cmd *Command) {
-	buf.WriteString("    noun_aliases=()\n")
-	sort.Sort(sort.StringSlice(cmd.ArgAliases))
+func writeArgAliases(buf io.StringWriter, cmd *Command) {
+	WriteStringAndCheck(buf, "    noun_aliases=()\n")
+	sort.Strings(cmd.ArgAliases)
 	for _, value := range cmd.ArgAliases {
-		buf.WriteString(fmt.Sprintf("    noun_aliases+=(%q)\n", value))
+		WriteStringAndCheck(buf, fmt.Sprintf("    noun_aliases+=(%q)\n", value))
 	}
 }
 
-func gen(buf *bytes.Buffer, cmd *Command) {
+func gen(buf io.StringWriter, cmd *Command) {
 	for _, c := range cmd.Commands() {
 		if !c.IsAvailableCommand() && c != cmd.helpCommand {
 			continue
@@ -630,22 +633,22 @@ func gen(buf *bytes.Buffer, cmd *Command) {
 	commandName = strings.Replace(commandName, ":", "__", -1)
 
 	if cmd.Root() == cmd {
-		buf.WriteString(fmt.Sprintf("_%s_root_command()\n{\n", commandName))
+		WriteStringAndCheck(buf, fmt.Sprintf("_%s_root_command()\n{\n", commandName))
 	} else {
-		buf.WriteString(fmt.Sprintf("_%s()\n{\n", commandName))
+		WriteStringAndCheck(buf, fmt.Sprintf("_%s()\n{\n", commandName))
 	}
 
-	buf.WriteString(fmt.Sprintf("    last_command=%q\n", commandName))
-	buf.WriteString("\n")
-	buf.WriteString("    command_aliases=()\n")
-	buf.WriteString("\n")
+	WriteStringAndCheck(buf, fmt.Sprintf("    last_command=%q\n", commandName))
+	WriteStringAndCheck(buf, "\n")
+	WriteStringAndCheck(buf, "    command_aliases=()\n")
+	WriteStringAndCheck(buf, "\n")
 
 	writeCommands(buf, cmd)
 	writeFlags(buf, cmd)
 	writeRequiredFlag(buf, cmd)
 	writeRequiredNouns(buf, cmd)
 	writeArgAliases(buf, cmd)
-	buf.WriteString("}\n\n")
+	WriteStringAndCheck(buf, "}\n\n")
 }
 
 // GenBashCompletion generates bash completion file and writes to the passed writer.
diff --git a/vendor/github.com/spf13/cobra/bash_completions.md b/vendor/github.com/spf13/cobra/bash_completions.md
index a82d5bb8b..130f99b92 100644
--- a/vendor/github.com/spf13/cobra/bash_completions.md
+++ b/vendor/github.com/spf13/cobra/bash_completions.md
@@ -4,7 +4,7 @@ Please refer to [Shell Completions](shell_completions.md) for details.
 
 ## Bash legacy dynamic completions
 
-For backwards-compatibility, Cobra still supports its legacy dynamic completion solution (described below).  Unlike the `ValidArgsFunction` solution, the legacy solution will only work for Bash shell-completion and not for other shells. This legacy solution can be used along-side `ValidArgsFunction` and `RegisterFlagCompletionFunc()`, as long as both solutions are not used for the same command.  This provides a path to gradually migrate from the legacy solution to the new solution.
+For backward compatibility, Cobra still supports its legacy dynamic completion solution (described below).  Unlike the `ValidArgsFunction` solution, the legacy solution will only work for Bash shell-completion and not for other shells. This legacy solution can be used along-side `ValidArgsFunction` and `RegisterFlagCompletionFunc()`, as long as both solutions are not used for the same command.  This provides a path to gradually migrate from the legacy solution to the new solution.
 
 The legacy solution allows you to inject bash functions into the bash completion script.  Those bash functions are responsible for providing the completion choices for your own completions.
 
diff --git a/vendor/github.com/spf13/cobra/cobra.go b/vendor/github.com/spf13/cobra/cobra.go
index d01becc8f..d6cbfd719 100644
--- a/vendor/github.com/spf13/cobra/cobra.go
+++ b/vendor/github.com/spf13/cobra/cobra.go
@@ -19,6 +19,7 @@ package cobra
 import (
 	"fmt"
 	"io"
+	"os"
 	"reflect"
 	"strconv"
 	"strings"
@@ -205,3 +206,17 @@ func stringInSlice(a string, list []string) bool {
 	}
 	return false
 }
+
+// CheckErr prints the msg with the prefix 'Error:' and exits with error code 1. If the msg is nil, it does nothing.
+func CheckErr(msg interface{}) {
+	if msg != nil {
+		fmt.Fprintln(os.Stderr, "Error:", msg)
+		os.Exit(1)
+	}
+}
+
+// WriteStringAndCheck writes a string into a buffer, and checks if the error is not nil.
+func WriteStringAndCheck(b io.StringWriter, s string) {
+	_, err := b.WriteString(s)
+	CheckErr(err)
+}
diff --git a/vendor/github.com/spf13/cobra/command.go b/vendor/github.com/spf13/cobra/command.go
index 77b399e02..d6732ad11 100644
--- a/vendor/github.com/spf13/cobra/command.go
+++ b/vendor/github.com/spf13/cobra/command.go
@@ -84,9 +84,6 @@ type Command struct {
 	// Deprecated defines, if this command is deprecated and should print this string when used.
 	Deprecated string
 
-	// Hidden defines, if this command is hidden and should NOT show up in the list of available commands.
-	Hidden bool
-
 	// Annotations are key/value pairs that can be used by applications to identify or
 	// group commands.
 	Annotations map[string]string
@@ -126,55 +123,6 @@ type Command struct {
 	// PersistentPostRunE: PersistentPostRun but returns an error.
 	PersistentPostRunE func(cmd *Command, args []string) error
 
-	// SilenceErrors is an option to quiet errors down stream.
-	SilenceErrors bool
-
-	// SilenceUsage is an option to silence usage when an error occurs.
-	SilenceUsage bool
-
-	// DisableFlagParsing disables the flag parsing.
-	// If this is true all flags will be passed to the command as arguments.
-	DisableFlagParsing bool
-
-	// DisableAutoGenTag defines, if gen tag ("Auto generated by spf13/cobra...")
-	// will be printed by generating docs for this command.
-	DisableAutoGenTag bool
-
-	// DisableFlagsInUseLine will disable the addition of [flags] to the usage
-	// line of a command when printing help or generating docs
-	DisableFlagsInUseLine bool
-
-	// DisableSuggestions disables the suggestions based on Levenshtein distance
-	// that go along with 'unknown command' messages.
-	DisableSuggestions bool
-	// SuggestionsMinimumDistance defines minimum levenshtein distance to display suggestions.
-	// Must be > 0.
-	SuggestionsMinimumDistance int
-
-	// TraverseChildren parses flags on all parents before executing child command.
-	TraverseChildren bool
-
-	// FParseErrWhitelist flag parse errors to be ignored
-	FParseErrWhitelist FParseErrWhitelist
-
-	ctx context.Context
-
-	// commands is the list of commands supported by this program.
-	commands []*Command
-	// parent is a parent command for this command.
-	parent *Command
-	// Max lengths of commands' string lengths for use in padding.
-	commandsMaxUseLen         int
-	commandsMaxCommandPathLen int
-	commandsMaxNameLen        int
-	// commandsAreSorted defines, if command slice are sorted or not.
-	commandsAreSorted bool
-	// commandCalledAs is the name or alias value used to call this command.
-	commandCalledAs struct {
-		name   string
-		called bool
-	}
-
 	// args is actual args parsed from flags.
 	args []string
 	// flagErrorBuf contains all error messages from pflag.
@@ -216,6 +164,60 @@ type Command struct {
 	outWriter io.Writer
 	// errWriter is a writer defined by the user that replaces stderr
 	errWriter io.Writer
+
+	//FParseErrWhitelist flag parse errors to be ignored
+	FParseErrWhitelist FParseErrWhitelist
+
+	// commandsAreSorted defines, if command slice are sorted or not.
+	commandsAreSorted bool
+	// commandCalledAs is the name or alias value used to call this command.
+	commandCalledAs struct {
+		name   string
+		called bool
+	}
+
+	ctx context.Context
+
+	// commands is the list of commands supported by this program.
+	commands []*Command
+	// parent is a parent command for this command.
+	parent *Command
+	// Max lengths of commands' string lengths for use in padding.
+	commandsMaxUseLen         int
+	commandsMaxCommandPathLen int
+	commandsMaxNameLen        int
+
+	// TraverseChildren parses flags on all parents before executing child command.
+	TraverseChildren bool
+
+	// Hidden defines, if this command is hidden and should NOT show up in the list of available commands.
+	Hidden bool
+
+	// SilenceErrors is an option to quiet errors down stream.
+	SilenceErrors bool
+
+	// SilenceUsage is an option to silence usage when an error occurs.
+	SilenceUsage bool
+
+	// DisableFlagParsing disables the flag parsing.
+	// If this is true all flags will be passed to the command as arguments.
+	DisableFlagParsing bool
+
+	// DisableAutoGenTag defines, if gen tag ("Auto generated by spf13/cobra...")
+	// will be printed by generating docs for this command.
+	DisableAutoGenTag bool
+
+	// DisableFlagsInUseLine will disable the addition of [flags] to the usage
+	// line of a command when printing help or generating docs
+	DisableFlagsInUseLine bool
+
+	// DisableSuggestions disables the suggestions based on Levenshtein distance
+	// that go along with 'unknown command' messages.
+	DisableSuggestions bool
+
+	// SuggestionsMinimumDistance defines minimum levenshtein distance to display suggestions.
+	// Must be > 0.
+	SuggestionsMinimumDistance int
 }
 
 // Context returns underlying command context. If command wasn't
@@ -418,7 +420,7 @@ func (c *Command) UsageString() string {
 	c.outWriter = bb
 	c.errWriter = bb
 
-	c.Usage()
+	CheckErr(c.Usage())
 
 	// Setting things back to normal
 	c.outWriter = tmpOutput
@@ -964,13 +966,13 @@ func (c *Command) ExecuteC() (cmd *Command, err error) {
 			return cmd, nil
 		}
 
-		// If root command has SilentErrors flagged,
+		// If root command has SilenceErrors flagged,
 		// all subcommands should respect it
 		if !cmd.SilenceErrors && !c.SilenceErrors {
 			c.PrintErrln("Error:", err.Error())
 		}
 
-		// If root command has SilentUsage flagged,
+		// If root command has SilenceUsage flagged,
 		// all subcommands should respect it
 		if !cmd.SilenceUsage && !c.SilenceUsage {
 			c.Println(cmd.UsageString())
@@ -1087,10 +1089,10 @@ Simply type ` + c.Name() + ` help [path to command] for full details.`,
 				cmd, _, e := c.Root().Find(args)
 				if cmd == nil || e != nil {
 					c.Printf("Unknown help topic %#q\n", args)
-					c.Root().Usage()
+					CheckErr(c.Root().Usage())
 				} else {
 					cmd.InitDefaultHelpFlag() // make possible 'help' flag to be shown
-					cmd.Help()
+					CheckErr(cmd.Help())
 				}
 			},
 		}
diff --git a/vendor/github.com/spf13/cobra/custom_completions.go b/vendor/github.com/spf13/cobra/custom_completions.go
index f9e88e081..fa060c147 100644
--- a/vendor/github.com/spf13/cobra/custom_completions.go
+++ b/vendor/github.com/spf13/cobra/custom_completions.go
@@ -527,13 +527,13 @@ func CompDebug(msg string, printToStdErr bool) {
 			os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
 		if err == nil {
 			defer f.Close()
-			f.WriteString(msg)
+			WriteStringAndCheck(f, msg)
 		}
 	}
 
 	if printToStdErr {
 		// Must print to stderr for this not to be read by the completion script.
-		fmt.Fprintf(os.Stderr, msg)
+		fmt.Fprint(os.Stderr, msg)
 	}
 }
 
diff --git a/vendor/github.com/spf13/cobra/fish_completions.go b/vendor/github.com/spf13/cobra/fish_completions.go
index eaae9bca8..3e112347d 100644
--- a/vendor/github.com/spf13/cobra/fish_completions.go
+++ b/vendor/github.com/spf13/cobra/fish_completions.go
@@ -8,7 +8,7 @@ import (
 	"strings"
 )
 
-func genFishComp(buf *bytes.Buffer, name string, includeDesc bool) {
+func genFishComp(buf io.StringWriter, name string, includeDesc bool) {
 	// Variables should not contain a '-' or ':' character
 	nameForVar := name
 	nameForVar = strings.Replace(nameForVar, "-", "_", -1)
@@ -18,8 +18,8 @@ func genFishComp(buf *bytes.Buffer, name string, includeDesc bool) {
 	if !includeDesc {
 		compCmd = ShellCompNoDescRequestCmd
 	}
-	buf.WriteString(fmt.Sprintf("# fish completion for %-36s -*- shell-script -*-\n", name))
-	buf.WriteString(fmt.Sprintf(`
+	WriteStringAndCheck(buf, fmt.Sprintf("# fish completion for %-36s -*- shell-script -*-\n", name))
+	WriteStringAndCheck(buf, fmt.Sprintf(`
 function __%[1]s_debug
     set file "$BASH_COMP_DEBUG_FILE"
     if test -n "$file"
diff --git a/vendor/github.com/spf13/cobra/go.mod b/vendor/github.com/spf13/cobra/go.mod
index 57e3244d5..eb7d47fa5 100644
--- a/vendor/github.com/spf13/cobra/go.mod
+++ b/vendor/github.com/spf13/cobra/go.mod
@@ -1,6 +1,6 @@
 module github.com/spf13/cobra
 
-go 1.12
+go 1.14
 
 require (
 	github.com/cpuguy83/go-md2man/v2 v2.0.0
@@ -8,5 +8,5 @@ require (
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.7.0
-	gopkg.in/yaml.v2 v2.2.8
+	gopkg.in/yaml.v2 v2.4.0
 )
diff --git a/vendor/github.com/spf13/cobra/go.sum b/vendor/github.com/spf13/cobra/go.sum
index 0aae73863..9328ee3ee 100644
--- a/vendor/github.com/spf13/cobra/go.sum
+++ b/vendor/github.com/spf13/cobra/go.sum
@@ -304,8 +304,8 @@ gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
-gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
diff --git a/vendor/github.com/spf13/cobra/powershell_completions.go b/vendor/github.com/spf13/cobra/powershell_completions.go
index 756c61b9d..c55be71cd 100644
--- a/vendor/github.com/spf13/cobra/powershell_completions.go
+++ b/vendor/github.com/spf13/cobra/powershell_completions.go
@@ -1,6 +1,3 @@
-// PowerShell completions are based on the amazing work from clap:
-// https://github.com/clap-rs/clap/blob/3294d18efe5f264d12c9035f404c7d189d4824e1/src/completions/powershell.rs
-//
 // The generated scripts require PowerShell v5.0+ (which comes Windows 10, but
 // can be downloaded separately for windows 7 or 8.1).
 
@@ -11,90 +8,278 @@ import (
 	"fmt"
 	"io"
 	"os"
-	"strings"
-
-	"github.com/spf13/pflag"
 )
 
-var powerShellCompletionTemplate = `using namespace System.Management.Automation
-using namespace System.Management.Automation.Language
-Register-ArgumentCompleter -Native -CommandName '%s' -ScriptBlock {
-    param($wordToComplete, $commandAst, $cursorPosition)
-    $commandElements = $commandAst.CommandElements
-    $command = @(
-        '%s'
-        for ($i = 1; $i -lt $commandElements.Count; $i++) {
-            $element = $commandElements[$i]
-            if ($element -isnot [StringConstantExpressionAst] -or
-                $element.StringConstantType -ne [StringConstantType]::BareWord -or
-                $element.Value.StartsWith('-')) {
-                break
-            }
-            $element.Value
-        }
-    ) -join ';'
-    $completions = @(switch ($command) {%s
-    })
-    $completions.Where{ $_.CompletionText -like "$wordToComplete*" } |
-        Sort-Object -Property ListItemText
-}`
-
-func generatePowerShellSubcommandCases(out io.Writer, cmd *Command, previousCommandName string) {
-	var cmdName string
-	if previousCommandName == "" {
-		cmdName = cmd.Name()
-	} else {
-		cmdName = fmt.Sprintf("%s;%s", previousCommandName, cmd.Name())
-	}
-
-	fmt.Fprintf(out, "\n        '%s' {", cmdName)
-
-	cmd.Flags().VisitAll(func(flag *pflag.Flag) {
-		if nonCompletableFlag(flag) {
-			return
-		}
-		usage := escapeStringForPowerShell(flag.Usage)
-		if len(flag.Shorthand) > 0 {
-			fmt.Fprintf(out, "\n            [CompletionResult]::new('-%s', '%s', [CompletionResultType]::ParameterName, '%s')", flag.Shorthand, flag.Shorthand, usage)
-		}
-		fmt.Fprintf(out, "\n            [CompletionResult]::new('--%s', '%s', [CompletionResultType]::ParameterName, '%s')", flag.Name, flag.Name, usage)
-	})
-
-	for _, subCmd := range cmd.Commands() {
-		usage := escapeStringForPowerShell(subCmd.Short)
-		fmt.Fprintf(out, "\n            [CompletionResult]::new('%s', '%s', [CompletionResultType]::ParameterValue, '%s')", subCmd.Name(), subCmd.Name(), usage)
+func genPowerShellComp(buf io.StringWriter, name string, includeDesc bool) {
+	compCmd := ShellCompRequestCmd
+	if !includeDesc {
+		compCmd = ShellCompNoDescRequestCmd
 	}
+	WriteStringAndCheck(buf, fmt.Sprintf(`# powershell completion for %-36[1]s -*- shell-script -*-
 
-	fmt.Fprint(out, "\n            break\n        }")
-
-	for _, subCmd := range cmd.Commands() {
-		generatePowerShellSubcommandCases(out, subCmd, cmdName)
-	}
+function __%[1]s_debug {
+    if ($env:BASH_COMP_DEBUG_FILE) {
+        "$args" | Out-File -Append -FilePath "$env:BASH_COMP_DEBUG_FILE"
+    }
 }
 
-func escapeStringForPowerShell(s string) string {
-	return strings.Replace(s, "'", "''", -1)
+filter __%[1]s_escapeStringWithSpecialChars {
+`+"    $_ -replace '\\s|#|@|\\$|;|,|''|\\{|\\}|\\(|\\)|\"|`|\\||<|>|&','`$&'"+`
 }
 
-// GenPowerShellCompletion generates PowerShell completion file and writes to the passed writer.
-func (c *Command) GenPowerShellCompletion(w io.Writer) error {
-	buf := new(bytes.Buffer)
+Register-ArgumentCompleter -CommandName '%[1]s' -ScriptBlock {
+    param(
+            $WordToComplete,
+            $CommandAst,
+            $CursorPosition
+        )
+
+    # Get the current command line and convert into a string
+    $Command = $CommandAst.CommandElements
+    $Command = "$Command"
+
+    __%[1]s_debug ""
+    __%[1]s_debug "========= starting completion logic =========="
+    __%[1]s_debug "WordToComplete: $WordToComplete Command: $Command CursorPosition: $CursorPosition"
+
+    # The user could have moved the cursor backwards on the command-line.
+    # We need to trigger completion from the $CursorPosition location, so we need
+    # to truncate the command-line ($Command) up to the $CursorPosition location.
+    # Make sure the $Command is longer then the $CursorPosition before we truncate.
+    # This happens because the $Command does not include the last space.
+    if ($Command.Length -gt $CursorPosition) {
+        $Command=$Command.Substring(0,$CursorPosition)
+    }
+	__%[1]s_debug "Truncated command: $Command"
+
+    $ShellCompDirectiveError=%[3]d
+    $ShellCompDirectiveNoSpace=%[4]d
+    $ShellCompDirectiveNoFileComp=%[5]d
+    $ShellCompDirectiveFilterFileExt=%[6]d
+    $ShellCompDirectiveFilterDirs=%[7]d
+
+	# Prepare the command to request completions for the program.
+    # Split the command at the first space to separate the program and arguments.
+    $Program,$Arguments = $Command.Split(" ",2)
+    $RequestComp="$Program %[2]s $Arguments"
+    __%[1]s_debug "RequestComp: $RequestComp"
+
+    # we cannot use $WordToComplete because it
+    # has the wrong values if the cursor was moved
+    # so use the last argument
+    if ($WordToComplete -ne "" ) {
+        $WordToComplete = $Arguments.Split(" ")[-1]
+    }
+    __%[1]s_debug "New WordToComplete: $WordToComplete"
+
+
+    # Check for flag with equal sign
+    $IsEqualFlag = ($WordToComplete -Like "--*=*" )
+    if ( $IsEqualFlag ) {
+        __%[1]s_debug "Completing equal sign flag"
+        # Remove the flag part
+        $Flag,$WordToComplete = $WordToComplete.Split("=",2)
+    }
+
+    if ( $WordToComplete -eq "" -And ( -Not $IsEqualFlag )) {
+        # If the last parameter is complete (there is a space following it)
+        # We add an extra empty parameter so we can indicate this to the go method.
+        __%[1]s_debug "Adding extra empty parameter"
+`+"        # We need to use `\"`\" to pass an empty argument a \"\" or '' does not work!!!"+`
+`+"        $RequestComp=\"$RequestComp\" + ' `\"`\"' "+`
+    }
+
+    __%[1]s_debug "Calling $RequestComp"
+    #call the command store the output in $out and redirect stderr and stdout to null
+    # $Out is an array contains each line per element
+    Invoke-Expression -OutVariable out "$RequestComp" 2>&1 | Out-Null
+
+
+    # get directive from last line
+    [int]$Directive = $Out[-1].TrimStart(':')
+    if ($Directive -eq "") {
+        # There is no directive specified
+        $Directive = 0
+    }
+    __%[1]s_debug "The completion directive is: $Directive"
+
+    # remove directive (last element) from out
+    $Out = $Out | Where-Object { $_ -ne $Out[-1] }
+    __%[1]s_debug "The completions are: $Out"
+
+    if (($Directive -band $ShellCompDirectiveError) -ne 0 ) {
+        # Error code.  No completion.
+        __%[1]s_debug "Received error from custom completion go code"
+        return
+    }
+
+    $Longest = 0
+    $Values = $Out | ForEach-Object {
+        #Split the output in name and description
+`+"        $Name, $Description = $_.Split(\"`t\",2)"+`
+        __%[1]s_debug "Name: $Name Description: $Description"
+
+        # Look for the longest completion so that we can format things nicely
+        if ($Longest -lt $Name.Length) {
+            $Longest = $Name.Length
+        }
+
+        # Set the description to a one space string if there is none set.
+        # This is needed because the CompletionResult does not accept an empty string as argument
+        if (-Not $Description) {
+            $Description = " "
+        }
+        @{Name="$Name";Description="$Description"}
+    }
+
+
+    $Space = " "
+    if (($Directive -band $ShellCompDirectiveNoSpace) -ne 0 ) {
+        # remove the space here
+        __%[1]s_debug "ShellCompDirectiveNoSpace is called"
+        $Space = ""
+    }
+
+    if (($Directive -band $ShellCompDirectiveNoFileComp) -ne 0 ) {
+        __%[1]s_debug "ShellCompDirectiveNoFileComp is called"
+
+        if ($Values.Length -eq 0) {
+            # Just print an empty string here so the
+            # shell does not start to complete paths.
+            # We cannot use CompletionResult here because
+            # it does not accept an empty string as argument.
+            ""
+            return
+        }
+    }
+
+    if ((($Directive -band $ShellCompDirectiveFilterFileExt) -ne 0 ) -or
+       (($Directive -band $ShellCompDirectiveFilterDirs) -ne 0 ))  {
+        __%[1]s_debug "ShellCompDirectiveFilterFileExt ShellCompDirectiveFilterDirs are not supported"
+
+        # return here to prevent the completion of the extensions
+        return
+    }
 
-	var subCommandCases bytes.Buffer
-	generatePowerShellSubcommandCases(&subCommandCases, c, "")
-	fmt.Fprintf(buf, powerShellCompletionTemplate, c.Name(), c.Name(), subCommandCases.String())
+    $Values = $Values | Where-Object {
+        # filter the result
+        $_.Name -like "$WordToComplete*"
 
+        # Join the flag back if we have a equal sign flag
+        if ( $IsEqualFlag ) {
+            __%[1]s_debug "Join the equal sign flag back to the completion value"
+            $_.Name = $Flag + "=" + $_.Name
+        }
+    }
+
+    # Get the current mode
+    $Mode = (Get-PSReadLineKeyHandler | Where-Object {$_.Key -eq "Tab" }).Function
+    __%[1]s_debug "Mode: $Mode"
+
+    $Values | ForEach-Object {
+
+        # store temporay because switch will overwrite $_
+        $comp = $_
+
+        # PowerShell supports three different completion modes
+        # - TabCompleteNext (default windows style - on each key press the next option is displayed)
+        # - Complete (works like bash)
+        # - MenuComplete (works like zsh)
+        # You set the mode with Set-PSReadLineKeyHandler -Key Tab -Function <mode>
+
+        # CompletionResult Arguments:
+        # 1) CompletionText text to be used as the auto completion result
+        # 2) ListItemText   text to be displayed in the suggestion list
+        # 3) ResultType     type of completion result
+        # 4) ToolTip        text for the tooltip with details about the object
+
+        switch ($Mode) {
+
+            # bash like
+            "Complete" {
+
+                if ($Values.Length -eq 1) {
+                    __%[1]s_debug "Only one completion left"
+
+                    # insert space after value
+                    [System.Management.Automation.CompletionResult]::new($($comp.Name | __%[1]s_escapeStringWithSpecialChars) + $Space, "$($comp.Name)", 'ParameterValue', "$($comp.Description)")
+
+                } else {
+                    # Add the proper number of spaces to align the descriptions
+                    while($comp.Name.Length -lt $Longest) {
+                        $comp.Name = $comp.Name + " "
+                    }
+
+                    # Check for empty description and only add parentheses if needed
+                    if ($($comp.Description) -eq " " ) {
+                        $Description = ""
+                    } else {
+                        $Description = "  ($($comp.Description))"
+                    }
+
+                    [System.Management.Automation.CompletionResult]::new("$($comp.Name)$Description", "$($comp.Name)$Description", 'ParameterValue', "$($comp.Description)")
+                }
+             }
+
+            # zsh like
+            "MenuComplete" {
+                # insert space after value
+                # MenuComplete will automatically show the ToolTip of
+                # the highlighted value at the bottom of the suggestions.
+                [System.Management.Automation.CompletionResult]::new($($comp.Name | __%[1]s_escapeStringWithSpecialChars) + $Space, "$($comp.Name)", 'ParameterValue', "$($comp.Description)")
+            }
+
+            # TabCompleteNext and in case we get something unknown
+            Default {
+                # Like MenuComplete but we don't want to add a space here because
+                # the user need to press space anyway to get the completion.
+                # Description will not be shown because thats not possible with TabCompleteNext
+                [System.Management.Automation.CompletionResult]::new($($comp.Name | __%[1]s_escapeStringWithSpecialChars), "$($comp.Name)", 'ParameterValue', "$($comp.Description)")
+            }
+        }
+
+    }
+}
+`, name, compCmd,
+		ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp,
+		ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs))
+}
+
+func (c *Command) genPowerShellCompletion(w io.Writer, includeDesc bool) error {
+	buf := new(bytes.Buffer)
+	genPowerShellComp(buf, c.Name(), includeDesc)
 	_, err := buf.WriteTo(w)
 	return err
 }
 
-// GenPowerShellCompletionFile generates PowerShell completion file.
-func (c *Command) GenPowerShellCompletionFile(filename string) error {
+func (c *Command) genPowerShellCompletionFile(filename string, includeDesc bool) error {
 	outFile, err := os.Create(filename)
 	if err != nil {
 		return err
 	}
 	defer outFile.Close()
 
-	return c.GenPowerShellCompletion(outFile)
+	return c.genPowerShellCompletion(outFile, includeDesc)
+}
+
+// GenPowerShellCompletionFile generates powershell completion file without descriptions.
+func (c *Command) GenPowerShellCompletionFile(filename string) error {
+	return c.genPowerShellCompletionFile(filename, false)
+}
+
+// GenPowerShellCompletion generates powershell completion file without descriptions
+// and writes it to the passed writer.
+func (c *Command) GenPowerShellCompletion(w io.Writer) error {
+	return c.genPowerShellCompletion(w, false)
+}
+
+// GenPowerShellCompletionFileWithDesc generates powershell completion file with descriptions.
+func (c *Command) GenPowerShellCompletionFileWithDesc(filename string) error {
+	return c.genPowerShellCompletionFile(filename, true)
+}
+
+// GenPowerShellCompletionWithDesc generates powershell completion file with descriptions
+// and writes it to the passed writer.
+func (c *Command) GenPowerShellCompletionWithDesc(w io.Writer) error {
+	return c.genPowerShellCompletion(w, true)
 }
diff --git a/vendor/github.com/spf13/cobra/powershell_completions.md b/vendor/github.com/spf13/cobra/powershell_completions.md
index 55f154a68..c449f1e5c 100644
--- a/vendor/github.com/spf13/cobra/powershell_completions.md
+++ b/vendor/github.com/spf13/cobra/powershell_completions.md
@@ -1,16 +1,3 @@
 # Generating PowerShell Completions For Your Own cobra.Command
 
-Cobra can generate PowerShell completion scripts. Users need PowerShell version 5.0 or above, which comes with Windows 10 and can be downloaded separately for Windows 7 or 8.1. They can then write the completions to a file and source this file from their PowerShell profile, which is referenced by the `$Profile` environment variable. See `Get-Help about_Profiles` for more info about PowerShell profiles.
-
-*Note*: PowerShell completions have not (yet?) been aligned to Cobra's generic shell completion support.  This implies the PowerShell completions are not as rich as for other shells (see [What's not yet supported](#whats-not-yet-supported)), and may behave slightly differently.  They are still very useful for PowerShell users.
-
-# What's supported
-
-- Completion for subcommands using their `.Short` description
-- Completion for non-hidden flags using their `.Name` and `.Shorthand`
-
-# What's not yet supported
-
-- Command aliases
-- Required, filename or custom flags (they will work like normal flags)
-- Custom completion scripts
+Please refer to [Shell Completions](shell_completions.md#powershell-completions) for details.
diff --git a/vendor/github.com/spf13/cobra/projects_using_cobra.md b/vendor/github.com/spf13/cobra/projects_using_cobra.md
index 31c272036..d98a71e36 100644
--- a/vendor/github.com/spf13/cobra/projects_using_cobra.md
+++ b/vendor/github.com/spf13/cobra/projects_using_cobra.md
@@ -25,6 +25,8 @@
 - [Moby (former Docker)](https://github.com/moby/moby)
 - [Nanobox](https://github.com/nanobox-io/nanobox)/[Nanopack](https://github.com/nanopack)
 - [OpenShift](https://www.openshift.com/)
+- [Ory Hydra](https://github.com/ory/hydra)
+- [Ory Kratos](https://github.com/ory/kratos)
 - [Pouch](https://github.com/alibaba/pouch)
 - [ProjectAtomic (enterprise)](http://www.projectatomic.io/)
 - [Prototool](https://github.com/uber/prototool)
@@ -32,4 +34,5 @@
 - [Rclone](https://rclone.org/)
 - [Skaffold](https://skaffold.dev/)
 - [Tendermint](https://github.com/tendermint/tendermint)
+- [Twitch CLI](https://github.com/twitchdev/twitch-cli)
 - [Werf](https://werf.io/)
diff --git a/vendor/github.com/spf13/cobra/shell_completions.md b/vendor/github.com/spf13/cobra/shell_completions.md
index d8416ab1d..cd533ac3d 100644
--- a/vendor/github.com/spf13/cobra/shell_completions.md
+++ b/vendor/github.com/spf13/cobra/shell_completions.md
@@ -4,10 +4,10 @@ Cobra can generate shell completions for multiple shells.
 The currently supported shells are:
 - Bash
 - Zsh
-- Fish
+- fish
 - PowerShell
 
-If you are using the generator you can create a completion command by running
+If you are using the generator, you can create a completion command by running
 
 ```bash
 cobra add completion
@@ -17,38 +17,46 @@ and then modifying the generated `cmd/completion.go` file to look something like
 
 ```go
 var completionCmd = &cobra.Command{
-	Use:                   "completion [bash|zsh|fish|powershell]",
-	Short:                 "Generate completion script",
+	Use:   "completion [bash|zsh|fish|powershell]",
+	Short: "Generate completion script",
 	Long: `To load completions:
 
 Bash:
 
-$ source <(yourprogram completion bash)
+  $ source <(yourprogram completion bash)
 
-# To load completions for each session, execute once:
-Linux:
+  # To load completions for each session, execute once:
+  # Linux:
   $ yourprogram completion bash > /etc/bash_completion.d/yourprogram
-MacOS:
+  # macOS:
   $ yourprogram completion bash > /usr/local/etc/bash_completion.d/yourprogram
 
 Zsh:
 
-# If shell completion is not already enabled in your environment you will need
-# to enable it.  You can execute the following once:
+  # If shell completion is not already enabled in your environment,
+  # you will need to enable it.  You can execute the following once:
 
-$ echo "autoload -U compinit; compinit" >> ~/.zshrc
+  $ echo "autoload -U compinit; compinit" >> ~/.zshrc
 
-# To load completions for each session, execute once:
-$ yourprogram completion zsh > "${fpath[1]}/_yourprogram"
+  # To load completions for each session, execute once:
+  $ yourprogram completion zsh > "${fpath[1]}/_yourprogram"
 
-# You will need to start a new shell for this setup to take effect.
+  # You will need to start a new shell for this setup to take effect.
 
-Fish:
+fish:
 
-$ yourprogram completion fish | source
+  $ yourprogram completion fish | source
 
-# To load completions for each session, execute once:
-$ yourprogram completion fish > ~/.config/fish/completions/yourprogram.fish
+  # To load completions for each session, execute once:
+  $ yourprogram completion fish > ~/.config/fish/completions/yourprogram.fish
+
+PowerShell:
+
+  PS> yourprogram completion powershell | Out-String | Invoke-Expression
+
+  # To load completions for every new session, run:
+  PS> yourprogram completion powershell > yourprogram.ps1
+  # and source this file from your PowerShell profile.
 `,
 	DisableFlagsInUseLine: true,
 	ValidArgs:             []string{"bash", "zsh", "fish", "powershell"},
@@ -68,7 +76,7 @@ $ yourprogram completion fish > ~/.config/fish/completions/yourprogram.fish
 }
 ```
 
-**Note:** The cobra generator may include messages printed to stdout for example if the config file is loaded, this will break the auto complete script so must be removed.
+**Note:** The cobra generator may include messages printed to stdout, for example, if the config file is loaded; this will break the auto-completion script so must be removed.
 
 # Customizing completions
 
@@ -91,8 +99,7 @@ cmd := &cobra.Command{
 	Long:    get_long,
 	Example: get_example,
 	Run: func(cmd *cobra.Command, args []string) {
-		err := RunGet(f, out, cmd, args)
-		util.CheckErr(err)
+		cobra.CheckErr(RunGet(f, out, cmd, args))
 	},
 	ValidArgs: validArgs,
 }
@@ -124,7 +131,7 @@ the completion algorithm if entered manually, e.g. in:
 
 ```bash
 $ kubectl get rc [tab][tab]
-backend        frontend       database 
+backend        frontend       database
 ```
 
 Note that without declaring `rc` as an alias, the completion algorithm would not know to show the list of
@@ -246,7 +253,7 @@ and you'll get something like
 
 ```bash
 $ kubectl exec [tab][tab]
--c            --container=  -p            --pod=  
+-c            --container=  -p            --pod=
 ```
 
 ### Specify dynamic flag completion
@@ -316,7 +323,7 @@ cmd.RegisterFlagCompletionFunc(flagName, func(cmd *cobra.Command, args []string,
 ```
 ### Descriptions for completions
 
-Both `zsh` and `fish` allow for descriptions to annotate completion choices.  For commands and flags, Cobra will provide the descriptions automatically, based on usage information.  For example, using zsh:
+`zsh`, `fish` and `powershell` allow for descriptions to annotate completion choices.  For commands and flags, Cobra will provide the descriptions automatically, based on usage information.  For example, using zsh:
 ```
 $ helm s[tab]
 search  -- search for a keyword in charts
@@ -361,12 +368,12 @@ completion     firstcommand   secondcommand
 ```
 ### Bash legacy dynamic completions
 
-For backwards-compatibility, Cobra still supports its bash legacy dynamic completion solution.
+For backward compatibility, Cobra still supports its bash legacy dynamic completion solution.
 Please refer to [Bash Completions](bash_completions.md) for details.
 
 ## Zsh completions
 
-Cobra supports native Zsh completion generated from the root `cobra.Command`.
+Cobra supports native zsh completion generated from the root `cobra.Command`.
 The generated completion script should be put somewhere in your `$fpath` and be named
 `_<yourProgram>`.  You will need to start a new shell for the completions to become available.
 
@@ -385,23 +392,23 @@ status  -- displays the status of the named release
 $ helm s[tab]
 search  show  status
 ```
-*Note*: Because of backwards-compatibility requirements, we were forced to have a different API to disable completion descriptions between `Zsh` and `Fish`.
+*Note*: Because of backward-compatibility requirements, we were forced to have a different API to disable completion descriptions between `zsh` and `fish`.
 
 ### Limitations
 
 * Custom completions implemented in Bash scripting (legacy) are not supported and will be ignored for `zsh` (including the use of the `BashCompCustom` flag annotation).
-  * You should instead use `ValidArgsFunction` and `RegisterFlagCompletionFunc()` which are portable to the different shells (`bash`, `zsh`, `fish`).
+  * You should instead use `ValidArgsFunction` and `RegisterFlagCompletionFunc()` which are portable to the different shells (`bash`, `zsh`, `fish`, `powershell`).
 * The function `MarkFlagCustom()` is not supported and will be ignored for `zsh`.
   * You should instead use `RegisterFlagCompletionFunc()`.
 
 ### Zsh completions standardization
 
-Cobra 1.1 standardized its zsh completion support to align it with its other shell completions.  Although the API was kept backwards-compatible, some small changes in behavior were introduced.
+Cobra 1.1 standardized its zsh completion support to align it with its other shell completions.  Although the API was kept backward-compatible, some small changes in behavior were introduced.
 Please refer to [Zsh Completions](zsh_completions.md) for details.
 
-## Fish completions
+## fish completions
 
-Cobra supports native Fish completions generated from the root `cobra.Command`.  You can use the `command.GenFishCompletion()` or `command.GenFishCompletionFile()` functions. You must provide these functions with a parameter indicating if the completions should be annotated with a description; Cobra will provide the description automatically based on usage information.  You can choose to make this option configurable by your users.
+Cobra supports native fish completions generated from the root `cobra.Command`.  You can use the `command.GenFishCompletion()` or `command.GenFishCompletionFile()` functions. You must provide these functions with a parameter indicating if the completions should be annotated with a description; Cobra will provide the description automatically based on usage information.  You can choose to make this option configurable by your users.
 ```
 # With descriptions
 $ helm s[tab]
@@ -411,12 +418,12 @@ search  (search for a keyword in charts)  show  (show information of a chart)  s
 $ helm s[tab]
 search  show  status
 ```
-*Note*: Because of backwards-compatibility requirements, we were forced to have a different API to disable completion descriptions between `Zsh` and `Fish`.
+*Note*: Because of backward-compatibility requirements, we were forced to have a different API to disable completion descriptions between `zsh` and `fish`.
 
 ### Limitations
 
-* Custom completions implemented in Bash scripting (legacy) are not supported and will be ignored for `fish` (including the use of the `BashCompCustom` flag annotation).
-  * You should instead use `ValidArgsFunction` and `RegisterFlagCompletionFunc()` which are portable to the different shells (`bash`, `zsh`, `fish`).
+* Custom completions implemented in bash scripting (legacy) are not supported and will be ignored for `fish` (including the use of the `BashCompCustom` flag annotation).
+  * You should instead use `ValidArgsFunction` and `RegisterFlagCompletionFunc()` which are portable to the different shells (`bash`, `zsh`, `fish`, `powershell`).
 * The function `MarkFlagCustom()` is not supported and will be ignored for `fish`.
   * You should instead use `RegisterFlagCompletionFunc()`.
 * The following flag completion annotations are not supported and will be ignored for `fish`:
@@ -431,4 +438,46 @@ search  show  status
 
 ## PowerShell completions
 
-Please refer to [PowerShell Completions](powershell_completions.md) for details.
+Cobra supports native PowerShell completions generated from the root `cobra.Command`. You can use the `command.GenPowerShellCompletion()` or `command.GenPowerShellCompletionFile()` functions. To include descriptions use `command.GenPowerShellCompletionWithDesc()` and `command.GenPowerShellCompletionFileWithDesc()`. Cobra will provide the description automatically based on usage information. You can choose to make this option configurable by your users.
+
+The script is designed to support all three PowerShell completion modes:
+
+* TabCompleteNext (default windows style - on each key press the next option is displayed)
+* Complete (works like bash)
+* MenuComplete (works like zsh)
+
+You set the mode with `Set-PSReadLineKeyHandler -Key Tab -Function <mode>`. Descriptions are only displayed when using the `Complete` or `MenuComplete` mode.
+
+Users need PowerShell version 5.0 or above, which comes with Windows 10 and can be downloaded separately for Windows 7 or 8.1. They can then write the completions to a file and source this file from their PowerShell profile, which is referenced by the `$Profile` environment variable. See `Get-Help about_Profiles` for more info about PowerShell profiles.
+
+```
+# With descriptions and Mode 'Complete'
+$ helm s[tab]
+search  (search for a keyword in charts)  show  (show information of a chart)  status  (displays the status of the named release)
+
+# With descriptions and Mode 'MenuComplete' The description of the current selected value will be displayed below the suggestions.
+$ helm s[tab]
+search    show     status  
+
+search for a keyword in charts
+
+# Without descriptions
+$ helm s[tab]
+search  show  status
+```
+
+### Limitations
+
+* Custom completions implemented in bash scripting (legacy) are not supported and will be ignored for `powershell` (including the use of the `BashCompCustom` flag annotation).
+  * You should instead use `ValidArgsFunction` and `RegisterFlagCompletionFunc()` which are portable to the different shells (`bash`, `zsh`, `fish`, `powershell`).
+* The function `MarkFlagCustom()` is not supported and will be ignored for `powershell`.
+  * You should instead use `RegisterFlagCompletionFunc()`.
+* The following flag completion annotations are not supported and will be ignored for `powershell`:
+  * `BashCompFilenameExt` (filtering by file extension)
+  * `BashCompSubdirsInDir` (filtering by directory)
+* The functions corresponding to the above annotations are consequently not supported and will be ignored for `powershell`:
+  * `MarkFlagFilename()` and `MarkPersistentFlagFilename()` (filtering by file extension)
+  * `MarkFlagDirname()` and `MarkPersistentFlagDirname()` (filtering by directory)
+* Similarly, the following completion directives are not supported and will be ignored for `powershell`:
+  * `ShellCompDirectiveFilterFileExt` (filtering by file extension)
+  * `ShellCompDirectiveFilterDirs` (filtering by directory)
diff --git a/vendor/github.com/spf13/cobra/zsh_completions.go b/vendor/github.com/spf13/cobra/zsh_completions.go
index 92a70394a..2e840285f 100644
--- a/vendor/github.com/spf13/cobra/zsh_completions.go
+++ b/vendor/github.com/spf13/cobra/zsh_completions.go
@@ -70,12 +70,12 @@ func (c *Command) genZshCompletion(w io.Writer, includeDesc bool) error {
 	return err
 }
 
-func genZshComp(buf *bytes.Buffer, name string, includeDesc bool) {
+func genZshComp(buf io.StringWriter, name string, includeDesc bool) {
 	compCmd := ShellCompRequestCmd
 	if !includeDesc {
 		compCmd = ShellCompNoDescRequestCmd
 	}
-	buf.WriteString(fmt.Sprintf(`#compdef _%[1]s %[1]s
+	WriteStringAndCheck(buf, fmt.Sprintf(`#compdef _%[1]s %[1]s
 
 # zsh completion for %-36[1]s -*- shell-script -*-
 
diff --git a/vendor/gopkg.in/yaml.v2/.travis.yml b/vendor/gopkg.in/yaml.v2/.travis.yml
index 055480b9e..7348c50c0 100644
--- a/vendor/gopkg.in/yaml.v2/.travis.yml
+++ b/vendor/gopkg.in/yaml.v2/.travis.yml
@@ -11,6 +11,7 @@ go:
     - "1.11.x"
     - "1.12.x"
     - "1.13.x"
+    - "1.14.x"
     - "tip"
 
 go_import_path: gopkg.in/yaml.v2
diff --git a/vendor/gopkg.in/yaml.v2/apic.go b/vendor/gopkg.in/yaml.v2/apic.go
index d2c2308f1..acf71402c 100644
--- a/vendor/gopkg.in/yaml.v2/apic.go
+++ b/vendor/gopkg.in/yaml.v2/apic.go
@@ -79,6 +79,8 @@ func yaml_parser_set_encoding(parser *yaml_parser_t, encoding yaml_encoding_t) {
 	parser.encoding = encoding
 }
 
+var disableLineWrapping = false
+
 // Create a new emitter object.
 func yaml_emitter_initialize(emitter *yaml_emitter_t) {
 	*emitter = yaml_emitter_t{
@@ -86,7 +88,9 @@ func yaml_emitter_initialize(emitter *yaml_emitter_t) {
 		raw_buffer: make([]byte, 0, output_raw_buffer_size),
 		states:     make([]yaml_emitter_state_t, 0, initial_stack_size),
 		events:     make([]yaml_event_t, 0, initial_queue_size),
-		best_width: -1,
+	}
+	if disableLineWrapping {
+		emitter.best_width = -1
 	}
 }
 
diff --git a/vendor/gopkg.in/yaml.v2/go.mod b/vendor/gopkg.in/yaml.v2/go.mod
index 1934e8769..2cbb85aea 100644
--- a/vendor/gopkg.in/yaml.v2/go.mod
+++ b/vendor/gopkg.in/yaml.v2/go.mod
@@ -1,5 +1,5 @@
-module "gopkg.in/yaml.v2"
+module gopkg.in/yaml.v2
 
-require (
-	"gopkg.in/check.v1" v0.0.0-20161208181325-20d25e280405
-)
+go 1.15
+
+require gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405
diff --git a/vendor/gopkg.in/yaml.v2/yaml.go b/vendor/gopkg.in/yaml.v2/yaml.go
index 89650e293..30813884c 100644
--- a/vendor/gopkg.in/yaml.v2/yaml.go
+++ b/vendor/gopkg.in/yaml.v2/yaml.go
@@ -175,7 +175,7 @@ func unmarshal(in []byte, out interface{}, strict bool) (err error) {
 //                  Zero valued structs will be omitted if all their public
 //                  fields are zero, unless they implement an IsZero
 //                  method (see the IsZeroer interface type), in which
-//                  case the field will be included if that method returns true.
+//                  case the field will be excluded if IsZero returns true.
 //
 //     flow         Marshal using a flow style (useful for structs,
 //                  sequences and maps).
@@ -464,3 +464,15 @@ func isZero(v reflect.Value) bool {
 	}
 	return false
 }
+
+// FutureLineWrap globally disables line wrapping when encoding long strings.
+// This is a temporary and thus deprecated method introduced to faciliate
+// migration towards v3, which offers more control of line lengths on
+// individual encodings, and has a default matching the behavior introduced
+// by this function.
+//
+// The default formatting of v2 was erroneously changed in v2.3.0 and reverted
+// in v2.4.0, at which point this function was introduced to help migration.
+func FutureLineWrap() {
+	disableLineWrapping = true
+}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 7c1eaf8df..1da22e159 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -534,7 +534,7 @@ github.com/seccomp/libseccomp-golang
 # github.com/sirupsen/logrus v1.7.0
 github.com/sirupsen/logrus
 github.com/sirupsen/logrus/hooks/syslog
-# github.com/spf13/cobra v1.1.1
+# github.com/spf13/cobra v1.1.2
 github.com/spf13/cobra
 # github.com/spf13/pflag v1.0.5
 github.com/spf13/pflag
@@ -772,7 +772,7 @@ gopkg.in/square/go-jose.v2/cipher
 gopkg.in/square/go-jose.v2/json
 # gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7
 gopkg.in/tomb.v1
-# gopkg.in/yaml.v2 v2.3.0
+# gopkg.in/yaml.v2 v2.4.0
 gopkg.in/yaml.v2
 # gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776
 gopkg.in/yaml.v3