# bash completion for screen

have screen &&
_screen_sessions()
{
    local pattern

    if [ -n "$1" ]; then
        pattern=".*$1.*"
    else
    pattern=".*"
    fi

    COMPREPLY=( $( command screen -ls | sed -ne \
        's|^['$'\t'']\+\('"$cur"'[0-9]\+\.[^'$'\t'']\+\)'"$pattern"'$|\1|p' ) )
} &&
_screen()
{
    local cur prev preprev

    COMPREPLY=()
    cur=`_get_cword`
    prev=${COMP_WORDS[COMP_CWORD-1]}

    [ "$COMP_CWORD" -ge 2 ] && preprev=${COMP_WORDS[COMP_CWORD-2]}

    case "$preprev" in
        -[dD])
            _screen_sessions
            return 0
        ;;
    esac

    case "$prev" in
        -[rR])
            # list detached
            _screen_sessions 'Detached'
            return 0
            ;;
        -[dDx])
            # list attached
            _screen_sessions 'Attached'
            return 0
            ;;
        -s)
            # shells
            COMPREPLY=( $( grep ^${cur:-[^#]} /etc/shells ) )
            ;;
        -c)
            _filedir
            return 0
            ;;
    esac

    if [[ "$cur" == -* ]]; then
        COMPREPLY=( $( compgen -W '-a -A -c -d -D -e -f -fn -fa -h -i \
            -l -ln -ls -list -L -m -O -p -q -r -R -s -S -t -U -v \
            -wipe -x -X' -- "$cur" ) )
    fi
} &&
complete -F _screen $default screen

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