Library/Contributions/brew_bash_completion.sh


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# Bash completion script for brew(1)
#
# To use, edit your .bashrc and add:
#   source `brew --prefix`/Library/Contributions/brew_bash_completion.sh

_brew_to_completion()
{
    local cur="${COMP_WORDS[COMP_CWORD]}"

    # Subcommand list
    [[ ${COMP_CWORD} -eq 1 ]] && {
        local actions="--cache --config --prefix cat cleanup configure create
            deps doctor edit home info install link list log outdated prune
            remove search unlink update uses"
        local ext=$(\ls $(brew --repository)/Library/Contributions/examples |
                    sed -e "s/\.rb//g" -e "s/brew-//g")
        COMPREPLY=( $(compgen -W "${actions} ${ext}" -- ${cur}) )
        return
    }

    # Find the previous non-switch word
    local prev_index=$((COMP_CWORD - 1))
    local prev="${COMP_WORDS[prev_index]}"
    while [[ $prev == -* ]]; do
        prev_index=$((--prev_index))
        prev="${COMP_WORDS[prev_index]}"
    done

    case "$prev" in
    # Commands that take a formula
    cat|deps|edit|fetch|home|homepage|info|install|log|options|uses)
        local ff=$(\ls $(brew --repository)/Library/Formula | sed "s/\.rb//g")
        local af=$(\ls $(brew --repository)/Library/Aliases 2> /dev/null | sed "s/\.rb//g")
        COMPREPLY=( $(compgen -W "${ff} ${af}" -- ${cur}) )
        return
        ;;
    # Commands that take an existing brew
    abv|cleanup|link|list|ln|ls|remove|rm|test|uninstall|unlink)
        COMPREPLY=( $(compgen -W "$(\ls $(brew --cellar))" -- ${cur}) )
        return
        ;;
    esac
}

complete -o bashdefault -o default -F _brew_to_completion brew