Update k8s dependencies to v1.22.0-rc.0
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119
vendor/github.com/spf13/cobra/shell_completions.md
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119
vendor/github.com/spf13/cobra/shell_completions.md
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@@ -4,10 +4,10 @@ Cobra can generate shell completions for multiple shells.
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The currently supported shells are:
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- Bash
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- Zsh
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- Fish
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- fish
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- PowerShell
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If you are using the generator you can create a completion command by running
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If you are using the generator, you can create a completion command by running
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```bash
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cobra add completion
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@@ -17,38 +17,46 @@ and then modifying the generated `cmd/completion.go` file to look something like
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```go
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var completionCmd = &cobra.Command{
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Use: "completion [bash|zsh|fish|powershell]",
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Short: "Generate completion script",
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Use: "completion [bash|zsh|fish|powershell]",
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Short: "Generate completion script",
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Long: `To load completions:
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Bash:
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$ source <(yourprogram completion bash)
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$ source <(yourprogram completion bash)
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# To load completions for each session, execute once:
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Linux:
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# To load completions for each session, execute once:
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# Linux:
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$ yourprogram completion bash > /etc/bash_completion.d/yourprogram
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MacOS:
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# macOS:
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$ yourprogram completion bash > /usr/local/etc/bash_completion.d/yourprogram
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Zsh:
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# If shell completion is not already enabled in your environment you will need
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# to enable it. You can execute the following once:
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# If shell completion is not already enabled in your environment,
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# you will need to enable it. You can execute the following once:
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$ echo "autoload -U compinit; compinit" >> ~/.zshrc
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$ echo "autoload -U compinit; compinit" >> ~/.zshrc
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# To load completions for each session, execute once:
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$ yourprogram completion zsh > "${fpath[1]}/_yourprogram"
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# To load completions for each session, execute once:
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$ yourprogram completion zsh > "${fpath[1]}/_yourprogram"
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# You will need to start a new shell for this setup to take effect.
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# You will need to start a new shell for this setup to take effect.
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Fish:
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fish:
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$ yourprogram completion fish | source
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$ yourprogram completion fish | source
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# To load completions for each session, execute once:
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$ yourprogram completion fish > ~/.config/fish/completions/yourprogram.fish
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# To load completions for each session, execute once:
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$ yourprogram completion fish > ~/.config/fish/completions/yourprogram.fish
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PowerShell:
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PS> yourprogram completion powershell | Out-String | Invoke-Expression
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# To load completions for every new session, run:
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PS> yourprogram completion powershell > yourprogram.ps1
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# and source this file from your PowerShell profile.
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`,
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DisableFlagsInUseLine: true,
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ValidArgs: []string{"bash", "zsh", "fish", "powershell"},
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@@ -68,7 +76,7 @@ $ yourprogram completion fish > ~/.config/fish/completions/yourprogram.fish
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}
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```
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**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.
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**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.
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# Customizing completions
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@@ -91,8 +99,7 @@ cmd := &cobra.Command{
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Long: get_long,
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Example: get_example,
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Run: func(cmd *cobra.Command, args []string) {
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err := RunGet(f, out, cmd, args)
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util.CheckErr(err)
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cobra.CheckErr(RunGet(f, out, cmd, args))
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},
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ValidArgs: validArgs,
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}
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@@ -124,7 +131,7 @@ the completion algorithm if entered manually, e.g. in:
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```bash
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$ kubectl get rc [tab][tab]
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backend frontend database
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backend frontend database
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```
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Note that without declaring `rc` as an alias, the completion algorithm would not know to show the list of
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@@ -246,7 +253,7 @@ and you'll get something like
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```bash
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$ kubectl exec [tab][tab]
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-c --container= -p --pod=
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-c --container= -p --pod=
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```
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### Specify dynamic flag completion
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@@ -316,7 +323,7 @@ cmd.RegisterFlagCompletionFunc(flagName, func(cmd *cobra.Command, args []string,
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```
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### Descriptions for completions
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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:
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`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:
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```
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$ helm s[tab]
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search -- search for a keyword in charts
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@@ -361,12 +368,12 @@ completion firstcommand secondcommand
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```
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### Bash legacy dynamic completions
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For backwards-compatibility, Cobra still supports its bash legacy dynamic completion solution.
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For backward compatibility, Cobra still supports its bash legacy dynamic completion solution.
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Please refer to [Bash Completions](bash_completions.md) for details.
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## Zsh completions
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Cobra supports native Zsh completion generated from the root `cobra.Command`.
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Cobra supports native zsh completion generated from the root `cobra.Command`.
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The generated completion script should be put somewhere in your `$fpath` and be named
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`_<yourProgram>`. You will need to start a new shell for the completions to become available.
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@@ -385,23 +392,23 @@ status -- displays the status of the named release
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$ helm s[tab]
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search show status
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```
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*Note*: Because of backwards-compatibility requirements, we were forced to have a different API to disable completion descriptions between `Zsh` and `Fish`.
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*Note*: Because of backward-compatibility requirements, we were forced to have a different API to disable completion descriptions between `zsh` and `fish`.
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### Limitations
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* Custom completions implemented in Bash scripting (legacy) are not supported and will be ignored for `zsh` (including the use of the `BashCompCustom` flag annotation).
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* You should instead use `ValidArgsFunction` and `RegisterFlagCompletionFunc()` which are portable to the different shells (`bash`, `zsh`, `fish`).
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* You should instead use `ValidArgsFunction` and `RegisterFlagCompletionFunc()` which are portable to the different shells (`bash`, `zsh`, `fish`, `powershell`).
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* The function `MarkFlagCustom()` is not supported and will be ignored for `zsh`.
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* You should instead use `RegisterFlagCompletionFunc()`.
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### Zsh completions standardization
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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.
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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.
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Please refer to [Zsh Completions](zsh_completions.md) for details.
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## Fish completions
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## fish completions
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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.
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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.
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```
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# With descriptions
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$ helm s[tab]
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@@ -411,12 +418,12 @@ search (search for a keyword in charts) show (show information of a chart) s
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$ helm s[tab]
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search show status
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```
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*Note*: Because of backwards-compatibility requirements, we were forced to have a different API to disable completion descriptions between `Zsh` and `Fish`.
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*Note*: Because of backward-compatibility requirements, we were forced to have a different API to disable completion descriptions between `zsh` and `fish`.
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### Limitations
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* Custom completions implemented in Bash scripting (legacy) are not supported and will be ignored for `fish` (including the use of the `BashCompCustom` flag annotation).
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* You should instead use `ValidArgsFunction` and `RegisterFlagCompletionFunc()` which are portable to the different shells (`bash`, `zsh`, `fish`).
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* Custom completions implemented in bash scripting (legacy) are not supported and will be ignored for `fish` (including the use of the `BashCompCustom` flag annotation).
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* You should instead use `ValidArgsFunction` and `RegisterFlagCompletionFunc()` which are portable to the different shells (`bash`, `zsh`, `fish`, `powershell`).
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* The function `MarkFlagCustom()` is not supported and will be ignored for `fish`.
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* You should instead use `RegisterFlagCompletionFunc()`.
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* The following flag completion annotations are not supported and will be ignored for `fish`:
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@@ -431,4 +438,46 @@ search show status
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## PowerShell completions
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Please refer to [PowerShell Completions](powershell_completions.md) for details.
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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.
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The script is designed to support all three PowerShell completion modes:
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* TabCompleteNext (default windows style - on each key press the next option is displayed)
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* Complete (works like bash)
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* MenuComplete (works like zsh)
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You set the mode with `Set-PSReadLineKeyHandler -Key Tab -Function <mode>`. Descriptions are only displayed when using the `Complete` or `MenuComplete` mode.
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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 `$Profile` environment variable. See `Get-Help about_Profiles` for more info about PowerShell profiles.
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```
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# With descriptions and Mode 'Complete'
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$ helm s[tab]
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search (search for a keyword in charts) show (show information of a chart) status (displays the status of the named release)
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# With descriptions and Mode 'MenuComplete' The description of the current selected value will be displayed below the suggestions.
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$ helm s[tab]
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search show status
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search for a keyword in charts
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# Without descriptions
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$ helm s[tab]
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search show status
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```
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### Limitations
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* Custom completions implemented in bash scripting (legacy) are not supported and will be ignored for `powershell` (including the use of the `BashCompCustom` flag annotation).
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* You should instead use `ValidArgsFunction` and `RegisterFlagCompletionFunc()` which are portable to the different shells (`bash`, `zsh`, `fish`, `powershell`).
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* The function `MarkFlagCustom()` is not supported and will be ignored for `powershell`.
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* You should instead use `RegisterFlagCompletionFunc()`.
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* The following flag completion annotations are not supported and will be ignored for `powershell`:
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* `BashCompFilenameExt` (filtering by file extension)
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* `BashCompSubdirsInDir` (filtering by directory)
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* The functions corresponding to the above annotations are consequently not supported and will be ignored for `powershell`:
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* `MarkFlagFilename()` and `MarkPersistentFlagFilename()` (filtering by file extension)
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* `MarkFlagDirname()` and `MarkPersistentFlagDirname()` (filtering by directory)
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* Similarly, the following completion directives are not supported and will be ignored for `powershell`:
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* `ShellCompDirectiveFilterFileExt` (filtering by file extension)
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* `ShellCompDirectiveFilterDirs` (filtering by directory)
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