# Completions for autoconf tools

have autoconf &&
_autoconf()
{
    COMPREPLY=()
    local cur prev split=false
    _get_comp_words_by_ref cur prev

    _split_longopt && split=true

    case "$prev" in
        --help|-h|--version|-V|--trace|-t)
            return 0
            ;;
        --output|-o)
            _filedir
            return 0
            ;;
        --warnings|-W)
            local cats=( cross obsolete syntax )
            COMPREPLY=( $( compgen -W \
                '${cats[@]} ${cats[@]/#/no-} all none error' -- "$cur" ) )
            return 0
            ;;
        --prepend-include|-B|--include|-I)
            _filedir -d
            return 0
            ;;
    esac

    $split && return 0

    if [[ "$cur" == -* ]]; then
        _longopt $1
        return
    fi

    _filedir '@(ac|in)'
} &&
complete -F _autoconf autoconf

have autoreconf || have autoheader &&
_autoreconf()
{
    COMPREPLY=()
    local cur prev split=false
    _get_comp_words_by_ref cur prev

    _split_longopt && split=true

    case "$prev" in
        --help|-h|--version|-V)
            return 0
            ;;
        --warnings|-W)
            local cats=( cross gnu obsolete override portability syntax \
                unsupported )
            COMPREPLY=( $( compgen -W \
                '${cats[@]} ${cats[@]/#/no-} all none error' -- "$cur" ) )
            return 0
            ;;
        --prepend-include|-B|--include|-I)
            _filedir -d
            return 0
            ;;
    esac

    $split && return 0

    if [[ "$cur" == -* ]]; then
        _longopt $1
        return 0
    fi

    if [[ $1 == autoheader ]] ; then
        _filedir '@(ac|in)'
    else
        _filedir -d
    fi
} &&
complete -F _autoreconf autoreconf autoheader

have autoscan || have autoupdate &&
_autoscan()
{
    COMPREPLY=()
    local cur prev split=false
    _get_comp_words_by_ref cur prev

    _split_longopt && split=true

    case "$prev" in
        --help|-h|--version|-V)
            return 0
            ;;
        --prepend-include|-B|--include|-I)
            _filedir -d
            return 0
            ;;
    esac

    $split && return 0

    if [[ "$cur" == -* ]]; then
        _longopt $1
        return 0
    fi

    if [[ $1 == autoupdate ]] ; then
        _filedir '@(ac|in)'
    else
        _filedir -d
    fi
} &&
complete -F _autoscan autoscan autoupdate

# Local variables:
# mode: shell-script
# sh-basic-offset: 4
# sh-indent-comment: t
# indent-tabs-mode: nil
# End:
# ex: ts=4 sw=4 et filetype=sh