#!/bin/sh
### BEGIN INIT INFO
# Provides:          iwatch
# Required-Start:
# Required-Stop:
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start iwatch, realtime filesystem monitoring program using inotify
### END INIT INFO
set -eu
##############################################################################
IWATCHD=/usr/bin/iwatch
PATH="/sbin:/bin"
DEBIANCONFIG=/etc/default/iwatch
PIDFILE=/var/run/iwatch.pid

test -x $IWATCHD || exit 0

CONFIGFILE=/etc/iwatch/iwatch.xml
START_DAEMON=true
test -f $DEBIANCONFIG && . $DEBIANCONFIG

. /lib/lsb/init-functions

is_true()
{
  case "${1:-}" in
    [Yy]es|[Yy]|1|[Tt]|[Tt]rue) return 0;;
    *) return 1;
  esac
}
##############################################################################

case "${1:-}" in
    start)
      if [ -f "$PIDFILE" ] ; then
         log_warning_msg "Warning: iwatch daemon already running, doing nothing therefore."
         exit 0
      fi

      if is_true $START_DAEMON; then
         log_daemon_msg "Starting iwatch daemon" "iwatch"
         set +e
         $IWATCHD -f $CONFIGFILE -p $PIDFILE -d
         RC=$?
         set -e
         log_end_msg $RC
      else
         log_warning_msg "Not starting iwatch daemon as startup is deactivated via /etc/default/iwatch"
      fi
      ;;

    stop)
      if [ -f "$PIDFILE" ] ; then
         log_daemon_msg "Stopping iwatch damon" "iwatch"
         set +e
         start-stop-daemon -K -p $PIDFILE
         RC=$?
         rm -f $PIDFILE
         set -e
         log_end_msg $RC
      fi
      ;;

    status)
      [ -f "$PIDFILE" ] && PROCESS="$(cat $PIDFILE)" || PROCESS=''
      if [ -n "$PROCESS" ] ; then
         log_success_msg "iwatch daemon with pid $PROCESS is running."
         exit 0
      else
         log_warning_msg "Could not find a running iwatch daemon."
         exit 1
      fi
      ;;

    restart|reload|force-reload)
      $0 stop
      $0 start
      ;;

    *)
      echo "Usage: ${0:-} {start|stop|restart|reload|force-reload|status}" >&2
      exit 1
    ;;
esac

exit 0

# vim: ai expandtab