tmux rtorrent init.d script

#!/bin/sh
# chkconfig: 2345 85 15
# description: Start autodl-irssi and rtorrent
### BEGIN INIT INFO
# Provides:          irssi rtorrent init script
# Required-Start:    $local_fs $network $syslog
# Required-Stop:     $local_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start autodl-irssi and rtorrent
# Description:       Start autodl-irssi and rtorrent
### END INIT INFO

# Exemples:
# chmod +x /etc/init.d/tmux_rtorrent
# update-rc.d tmux_rtorrent defaults
# update-rc.d -f tmux_rtorrent remove
# /etc/init.d/tmux_rtorrent start
# sudo -H -u USER tmux -2 attach-session -t SESSIONNAME
# sudo -H -u USER tmux send-keys -t SESSIONNAME:1 6 Down C-d


USER=username


SESSIONNAME=rt_$USER
resetPath() {
    PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$PATH"
}
resetPath


isStarted() {
    sudo -H -u $USER tmux has-session -t $SESSIONNAME > /dev/null 2>&1 && return 0
    return 1
}

startIt() {
    isStarted && return 0

    local START_IRSSI=n
    local START_RTORRENT=n
    which irssi > /dev/null 2>&1 && START_IRSSI=y
    which rtorrent > /dev/null 2>&1 && START_RTORRENT=y

    case $START_IRSSI$START_RTORRENT in
        yy)
            sudo -H -u $USER tmux new-session -d -s $SESSIONNAME
            sudo -H -u $USER tmux new-window -t $SESSIONNAME:1 -n rtorrent rtorrent
            sudo -H -u $USER tmux new-window -t $SESSIONNAME:2 -n irssi irssi
            sudo -H -u $USER tmux send-keys -t $SESSIONNAME:0 exit C-m
            ;;
        ny)
            sudo -H -u $USER tmux new-session -d -s $SESSIONNAME
            sudo -H -u $USER tmux new-window -t $SESSIONNAME:1 -n rtorrent rtorrent
            sudo -H -u $USER tmux send-keys -t $SESSIONNAME:0 exit C-m
            ;;
        yn)
            sudo -H -u $USER tmux new-session -d -s $SESSIONNAME
            sudo -H -u $USER tmux new-window -t $SESSIONNAME:2 -n irssi irssi
            sudo -H -u $USER tmux send-keys -t $SESSIONNAME:0 exit C-m
            ;;

        nn)
            ;;
    esac
    return 0
}

stopIt() {
    isStarted || return 0

    sudo -H -u $USER tmux send-keys -t $SESSIONNAME:1 C-q
    sudo -H -u $USER tmux send-keys -t $SESSIONNAME:2 /quit C-m

    for i in 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4; do
        isStarted || break
        sleep 1
    done

    # If it's still not stopped, kill the whole tmux session
    if isStarted; then
        echo -n "Couldn't stop it. Killing tmux session..."
        sudo -H -u $USER tmux send-keys -t $SESSIONNAME:1 C-q
        sudo -H -u $USER tmux send-keys -t $SESSIONNAME:2 /quit C-m
                sudo -H -u $USER tmux send-keys -t $SESSIONNAME:0 exit C-m
        sleep 2
        sudo -H -u $USER tmux kill-session -t $SESSIONNAME
        echo "Done."
    fi

    return 0
}

v_restartIt() {
    v_stopIt
    v_startIt
}

v_showStatus() {
    if isStarted; then
        echo "$SESSIONNAME is running."
    else
        echo "$SESSIONNAME is stopped."
    fi
}

. /lib/lsb/init-functions

v_startIt() {
    log_begin_msg "Starting $SESSIONNAME..."
    startIt
    log_end_msg $?
}

v_stopIt() {
    log_begin_msg "Stopping $SESSIONNAME..."
    stopIt
    log_end_msg $?
}

resetPath   # Some include files may have reset it
LOCKFILE=
updateLock() {
    [ -z "$LOCKFILE" ] && return
    if isStarted; then
        touch $LOCKFILE
    else
        rm -f $LOCKFILE
    fi
}

RETVAL=0
case $1 in
    start)
        v_startIt
        ;;
    stop)
        v_stopIt
        ;;
    force-reload|restart)
        v_restartIt
        ;;
    try-restart)
        isStarted && v_restartIt
        ;;
    status)
        v_showStatus
        ;;
    *)
        echo "Usage: $0 {start|stop|restart|try-restart|force-reload|status}"
        RETVAL=1
        ;;
esac

updateLock
exit $RETVAL