# Gentoo Linux Layman Command Completion
#
# $Id$
#
# Copyright 1999-2012 Gentoo Authors
# Distributed under the terms of the GNU General Public License, v2 or later
#
# Originally licensed as 'public-domain'
# Originally written by: Peter "Link" Sterk <link@penguindevelopment.org>


_layman() {
    local cur prev r_overlays

    COMPREPLY=()

    local opts=(
        --version -h --help -a --add -d --delete -s --sync -i --info
        -S --sync-all -L --list -l --list-local -n --nofetch -p --priority
        -c --config -O --overlay_defs -o --overlays -v --verbose -q --quiet
        -N --nocolor -Q --quietness -W --width -k --nocheck --debug-level
    )
    r_overlays() { layman -LkNq 2>/dev/null | grep -v '^$' | cut -d' ' -f3; }
    l_overlays() { layman -lkNq 2>/dev/null | grep -v '^$' | cut -d' ' -f3; }

    _get_comp_words_by_ref -n = cur prev
    _split_longopt && local splitopt=1

    case ${prev} in
        --version|-h|--help|-W|--width|-o|--overlays)
            # these end processing or require an arg we can't complete on
            return 0
            ;;
        -a|--add|-i|--info)
            COMPREPLY=( $(compgen -W "$(r_overlays)" -- "${cur}") )
            return 0
            ;;
        -d|--delete)
            COMPREPLY=( $(compgen -W "$(l_overlays)" -- "${cur}") )
            return 0
            ;;
        -s|--sync)
            COMPREPLY=( $(compgen -W "$(l_overlays)" -- "${cur}") )
            COMPREPLY+=( $(compgen -W "ALL" -- "${cur}") )
            return 0
            ;;
        -p|--priority)
            # this seems excessive
            COMPREPLY=( $(compgen -W "$(seq 0 100)" -- "${cur}") )
            return 0
            ;;
        -Q|--quietness)
            COMPREPLY=( $(compgen -W "$(seq 0 4)" -- "${cur}") )
            return 0
            ;;
        --debug-level)
            COMPREPLY=( $(compgen -W "$(seq 0 10)" -- "${cur}") )
            return 0
            ;;
        -c|--config|-O|--overlay_defs)
            _filedir
            return 0
            ;;
    esac

    [[ -n ${splitopt} ]] && return 0

    COMPREPLY=( $(compgen -W '${opts[*]}' -- "${cur}") )
} &&
complete -F _layman layman

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