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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:
$ 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:
$ yourprogram completion zsh > "${fpath[1]}/_yourprogram"
# You will need to start a new shell for this setup to take effect.
Fish:
$ 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`.
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,
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|
|---|---|
|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, 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|