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Merge pull request #6322 from EricFromCanada/completions-code

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docs: account for `bash-completion` in suggested script
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Mike McQuaid 2019-07-25 21:05:54 +01:00 committed by GitHub
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docs/Shell-Completion.md
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@ -4,26 +4,27 @@ Homebrew comes with completion definitions for the `brew` command. Some packages
`zsh`, `bash` and `fish` are currently supported. (Homebrew provides `brew` completions for `zsh` and `bash`; `fish` provides its own `brew` completions.)
You must configure your shell to enable the completion support. This is because the Homebrew-managed completions are stored under `HOMEBREW_PREFIX`, which your system shell may not be aware of, and because it is difficult to automatically configure `bash` and `zsh` completions in a robust manner, so the Homebrew installer cannot do it for you.
You must configure your shell to enable its completion support. This is because the Homebrew-managed completions are stored under `HOMEBREW_PREFIX` which your system shell may not be aware of, and since it is difficult to automatically configure `bash` and `zsh` completions in a robust manner, the Homebrew installer does not do it for you.
## Configuring Completions in `bash`
To make Homebrew's completions available in `bash`, you must source the definitions as part of your shell startup. Add the following to your `~/.bash_profile` file:
To make Homebrew's completions available in `bash`, you must source the definitions as part of your shell's startup. Add the following to your `~/.bash_profile` file:
```sh
HOMEBREW_PREFIX=$(brew --prefix)
if type brew &>/dev/null; then
for COMPLETION in "$HOMEBREW_PREFIX"/etc/bash_completion.d/*
do
[[ -f $COMPLETION ]] && source "$COMPLETION"
done
if [[ -f ${HOMEBREW_PREFIX}/etc/profile.d/bash_completion.sh ]];
then
if [[ -r "${HOMEBREW_PREFIX}/etc/profile.d/bash_completion.sh" ]]; then
source "${HOMEBREW_PREFIX}/etc/profile.d/bash_completion.sh"
else
for COMPLETION in "${HOMEBREW_PREFIX}/etc/bash_completion.d/"*; do
[[ -r "$COMPLETION" ]] && source "$COMPLETION"
done
fi
fi
```
Should you later install the `bash-completion` formula, this will automatically use its initialization script to read the completions files.
## Configuring Completions in `zsh`
To make Homebrew's completions available in `zsh`, you must get the Homebrew-managed zsh site-functions on your `FPATH` before initialising `zsh`'s completion facility. Add the following to your `~/.zshrc` file: