#!/bin/sh
### BEGIN INIT INFO
# Provides:          ly
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Ly display manager
# Description:       Starts and stops the Ly display manager
### END INIT INFO
#
# Author:       AnErrupTion <anerruption@disroot.org>
#

PATH=/sbin:/usr/sbin:/bin:/usr/bin
DAEMON=/usr/bin/ly
TTY=/dev/tty$DEFAULT_TTY
PIDFILE=/var/run/ly.pid
NAME=ly
DESC="Ly display manager"

. /lib/lsb/init-functions

case "$1" in
  start)
    log_daemon_msg "Starting $DESC on $TTY..."
    if [ -f "$PIDFILE" ]; then
        log_progress_msg "$DESC is already running"
        log_end_msg 0
        return 0
    fi

    # Ensure TTY exists
    [ -c "$TTY" ] || {
        log_failure_msg "$TTY does not exist"
        return 1
    }

    start-stop-daemon --start --background --make-pidfile --pidfile $PIDFILE \
      --chdir / --exec /bin/sh -- -c "exec setsid sh -c 'exec <$TTY >$TTY 2>&1 $DAEMON'"
    log_end_msg $?
    ;;
  stop)
    log_daemon_msg "Stopping $DESC..."
    start-stop-daemon --stop --pidfile $PIDFILE --retry 5
    RETVAL=$?
    [ $RETVAL -eq 0 ] && rm -f "$PIDFILE"
    log_end_msg $RETVAL
    ;;
  restart)
    echo "Restarting $DESC..."
    $0 stop
    sleep 1
    $0 start
    ;;
  status)
    status_of_proc -p $PIDFILE $DAEMON $NAME && exit 0 || exit $?
    ;;
  *)
    echo "Usage: /etc/init.d/$NAME {start|stop|restart|status}"
    exit 1
    ;;
esac

exit 0