# bash completion for info                                 -*- shell-script -*-

proc _info
{
    local cur prev words cword split
    _init_completion -s || return

    _expand || return 0

    # default completion if parameter looks like a path
    if [[ "$cur" == @(*/|[.~])* ]] {
        _filedir
        return 0
    }

    match $prev {
        with -k|--apropos|--index-search|-n|--node|-h|--help|-v|--version
            return
            
        with -d
            if [[ ${1##*/} == info ]] {
                _filedir -d
                return
            }
            
        with --directory
            _filedir -d
            return
            
        with --dribble|-f|--file|-o|--output|--restore|-r|--raw-filename|--rcfile
            _filedir
            return
            
    }

    $split && return

    if [[ $cur == -* ]] {
        setglobal COMPREPLY = ''( $( compgen -W '$( _parse_help "$1" )' -- "$cur" ) )
        [[ $COMPREPLY == *= ]] && compopt -o nospace
        return
    }

    local i infopath=/usr/share/info

    if [[ $INFOPATH == *: ]] {
        setglobal infopath = "$(INFOPATH)$(infopath)"
    } elif [[ ${INFOPATH:+set} ]] {
        setglobal infopath = $INFOPATH
    }

    setglobal infopath = "$infopath:"
    if [[ -n $cur ]] {
        setglobal infopath = $(infopath//://$cur* )
    } else {
        setglobal infopath = $(infopath//:// )
    }

    # redirect stderr for when path doesn't exist
    setglobal COMPREPLY = ''( $( eval command ls "$infopath" 2>/dev/null ) )
    # weed out directory path names and paths to info pages
    setglobal COMPREPLY = ''( ${COMPREPLY[@]##*/?(:)} )
    # weed out info dir file
    for (( i=0 ; i < ${#COMPREPLY[@]} ; ++i )); do
        [[ ${COMPREPLY[$i]} == dir ]] && unset "COMPREPLY[$i]"
    done
    # strip suffix from info pages
    setglobal COMPREPLY = ''( ${COMPREPLY[@]%.@(gz|bz2|xz|lzma)} )
    setglobal COMPREPLY = ''( $( compgen -W '${COMPREPLY[@]%.*}' -- "${cur//\\\\/}" ) )

    return 0
} &&
complete -F _info info pinfo

# ex: ts=4 sw=4 et filetype=sh