bash-completion/completions/info

# bash completion for info

have info || return

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

    _expand || return 0

    # default completion if parameter contains /
    if [[ "$cur" == */* ]]; then
        _filedir
        return 0
    fi

    local i infopath=/usr/share/info

    if [ "${INFOPATH: -1:1}" == ':' ]; then
        infopath=${INFOPATH}${infopath}
    elif [ ${INFOPATH:+set} ]; then
        infopath=$INFOPATH
    fi

    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=0 ; i < ${#COMPREPLY[@]} ; ++i )); do
        if [ "${COMPREPLY[$i]}" == 'dir' ]; then
            unset COMPREPLY[$i];
        fi;
    done
    # strip suffix from info pages
    COMPREPLY=( ${COMPREPLY[@]%.@(gz|bz2|xz|lzma)} )
    COMPREPLY=( $( compgen -W '${COMPREPLY[@]%.*}' -- "${cur//\\\\/}" ) )

    return 0
} &&
complete -F _info info

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