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Improve zsh completion documentation (#1169) 

Signed-off-by: Marc Khouzam <marc.khouzam@montreal.ca>
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Marc Khouzam 2020-07-19 18:02:46 -04:00 committed by GitHub
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9
shell_completions.md
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@ -33,11 +33,16 @@ MacOS:
Zsh: Zsh:
$ source <(yourprogram completion zsh) # 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
# To load completions for each session, execute once: # To load completions for each session, execute once:
$ yourprogram completion zsh > "${fpath[1]}/_yourprogram" $ yourprogram completion zsh > "${fpath[1]}/_yourprogram"
# You will need to start a new shell for this setup to take effect.
Fish: Fish:
$ yourprogram completion fish | source $ yourprogram completion fish | source
@ -363,7 +368,7 @@ Please refer to [Bash Completions](bash_completions.md) for details.
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 `$fpath` and be named The generated completion script should be put somewhere in your `$fpath` and be named
`_<yourProgram>`. `_<yourProgram>`. You will need to start a new shell for the completions to become available.
Zsh supports descriptions for completions. Cobra will provide the description automatically, Zsh supports descriptions for completions. Cobra will provide the description automatically,
based on usage information. Cobra provides a way to completely disable such descriptions by based on usage information. Cobra provides a way to completely disable such descriptions by

1
zsh_completions.md
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@ -22,6 +22,7 @@ See further below for more details on these deprecations.
|Old behavior|New behavior| |Old behavior|New behavior|
|---|---| |---|---|
|No file completion by default (opposite of bash)|File completion by default; use `ValidArgsFunction` with `ShellCompDirectiveNoFileComp` to turn off file completion on a per-argument basis| |No file completion by default (opposite of bash)|File completion by default; use `ValidArgsFunction` with `ShellCompDirectiveNoFileComp` to turn off file completion on a per-argument basis|
|Completion of flag names without the `-` prefix having been typed|Flag names are only completed if the user has typed the first `-`|
`cmd.MarkZshCompPositionalArgumentFile(pos, []string{})` used to turn on file completion on a per-argument position basis|File completion for all arguments by default; `cmd.MarkZshCompPositionalArgumentFile()` is **deprecated** and silently ignored| `cmd.MarkZshCompPositionalArgumentFile(pos, []string{})` used to turn on file completion on a per-argument position basis|File completion for all arguments by default; `cmd.MarkZshCompPositionalArgumentFile()` is **deprecated** and silently ignored|
|`cmd.MarkZshCompPositionalArgumentFile(pos, glob[])` used to turn on file completion **with glob filtering** on a per-argument position basis (zsh-specific)|`cmd.MarkZshCompPositionalArgumentFile()` is **deprecated** and silently ignored; use `ValidArgsFunction` with `ShellCompDirectiveFilterFileExt` for file **extension** filtering (not full glob filtering)| |`cmd.MarkZshCompPositionalArgumentFile(pos, glob[])` used to turn on file completion **with glob filtering** on a per-argument position basis (zsh-specific)|`cmd.MarkZshCompPositionalArgumentFile()` is **deprecated** and silently ignored; use `ValidArgsFunction` with `ShellCompDirectiveFilterFileExt` for file **extension** filtering (not full glob filtering)|
|`cmd.MarkZshCompPositionalArgumentWords(pos, words[])` used to provide completion choices on a per-argument position basis (zsh-specific)|`cmd.MarkZshCompPositionalArgumentWords()` is **deprecated** and silently ignored; use `ValidArgsFunction` to achieve the same behavior| |`cmd.MarkZshCompPositionalArgumentWords(pos, words[])` used to provide completion choices on a per-argument position basis (zsh-specific)|`cmd.MarkZshCompPositionalArgumentWords()` is **deprecated** and silently ignored; use `ValidArgsFunction` to achieve the same behavior|