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

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

    # default completion if parameter looks like a path
    if [[ $cur == @(*/|[.~])* ]]; then
        _filedir
        return
    fi

    case $prev in
        --apropos | --index-search | --node | --help | --version | -!(-*)[knhv])
            return
            ;;
        -!(-*)d)
            if [[ ${1##*/} == info ]]; then
                _filedir -d
                return
            fi
            ;;
        --directory)
            _filedir -d
            return
            ;;
        --dribble | --file | --output | --restore | --raw-filename | --rcfile | -!(-*)[for])
            _filedir
            return
            ;;
    esac

    $split && return

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

    local i infopath=/usr/share/info

    if [[ ${INFOPATH-} == *: ]]; then
        infopath=${INFOPATH}${infopath}
    elif [[ ${INFOPATH:+set} ]]; then
        infopath=$INFOPATH
    fi

    _expand || return

    infopath=$infopath:
    if [[ -n $cur ]]; then
        infopath="${infopath//://$cur* }"
    else
        infopath="${infopath//:// }"
    fi

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

} &&
    complete -F _info info pinfo

# ex: filetype=sh