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bash completion for chicken tools

The Debian bash package features support for command line completion through the file /etc/bash_completion. This page of the chicken wiki provides a file to add completion for the chicken tools in bash.

Currently, only chicken-setup is supported. Hopefully csi and csc will follow.

Use

Copy the following code in a file named chicken in /etc/bash_completion.d. Alternatively, source it after /etc/bash_completion (which is sourced from ~/.bashrc or elsewhere).

# chicken-setup command line completion for bash.
#
# version 0.2 -- 2007.01.13 -- vo minh thu
#  - chicken-setup <tab> completes for *.egg files.
# version 0.1 -- 2007.01.13 -- vo minh thu

_chicken_setup()
{
    local cur prev frst opts
    COMPREPLY=()
    cur=${COMP_WORDS[COMP_CWORD]}
    prev=${COMP_WORDS[COMP_CWORD-1]}
    frst=${COMP_WORDS[1]}

    opts='-help -version -repository -program-path -host \
          -uninstall -list -run -script -eval -verbose \
          -keep -csc-option -dont-ask -no-install -docindex \
          -check -test -ls -fetch-tree -tree -svn -revision \
          -local -destdir'

    paroptions=${opts}

    # the following options take zero or one argument
    case "${prev}" in
    '-repository' | '-program-path' | '-local' | '-destdir' )
        COMPREPLY=( $(compgen -A directory ${cur}) )
        return 0;;
    '-host' )
        COMPREPLY=( $(compgen -A hostname ${cur}) )
        return 0;;
    '-run' | '-script' | '-tree' )
        COMPREPLY=( $(compgen -A file ${cur}) )
        return 0;;
    '-uninstall' | '-ls' )
        local exts=$( chicken-setup -list | awk '{ print $1 }' )
        COMPREPLY=( $(compgen -W "${exts}" -- ${cur}) )
        return 0;;
    esac

    # the following options take zero or more arguments
    case "${frst}" in
    '-list' | '-test' )
        local exts=$( chicken-setup -list | awk '{ print $1 }' )
        COMPREPLY=( $(compgen -W "${exts}" -- ${cur}) )
        return 0;;
    esac

    case ${cur} in
    -* )
        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
        return 0;;
    * )
        COMPREPLY=($(compgen -f -X "egg" -- ${cur}))
    esac

}
[ "$have" ] && complete -F _chicken_setup chicken-setup