# sss

# Reattach a GNU Screen session, or a TMux session.

#

# For GNU Screen a custom lock tool (LOCKPRG) can be used

# if ~/bin/ttylocker exists or TTYLOCKER is set (not yet

# implemented for tmux).

# Mikael Berthe, 2015-08

function sss() {

    local TTYLOCKER="${TTYLOCKER:-$HOME/bin/ttylocker}"

    local SCREENBIN="/usr/bin/screen"

    local TMUXBIN="/usr/bin/tmux"

    if [[ -x $SCREENBIN ]]; then

        $SCREENBIN -q -list

        local r=$?

        if (( r == 11 )); then

            # There is 1 usable Screen session, let's go

            [[ -x "$TTYLOCKER" ]] && export LOCKPRG="$TTYLOCKER"

            exec $SCREENBIN -r -x

        elif (( r > 11 )); then

            # There are several usable Screen sessions, heh

            echo "There are several usable Screen sessions..."

            return

        fi

    fi

    # No usable GNU/Screen session, let's try tmux then.

    if [[ -x "$TMUXBIN" ]]; then

        # Number of tmux sessions

        integer n=$($TMUXBIN list-sessions 2>/dev/null | wc -l)

        if (( n == 1 )); then

            # Attach the session

            exec $TMUXBIN attach # -t "$($TMUXBIN list-session -F '#{session_id}')"

        elif (( n > 1 )); then

            # There are several usable tmux sessions, heh

            echo "There are several usable tmux sessions..."

            return

        fi

    fi

    echo "No terminal multiplexer session found."

}