#! /bin/sh
### BEGIN INIT INFO
# Provides:          hal
# Required-Start:    $remote_fs dbus
# Required-Stop:     $remote_fs dbus
# Should-Start:	     $syslog acpid
# Should-Stop:       $syslog acpid
# Default-Start:     2 3 4 5
# Default-Stop:      1
# Short-Description: Hardware abstraction layer
# Description:       The HAL daemon collects and maintains information about
#                    your hardware.
### END INIT INFO

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/hald
PIDDIR=/var/run/hald
PIDFILE=$PIDDIR/hald.pid
NAME=hald
DAEMONUSER=haldaemon
DESC="Hardware abstraction layer"

. /lib/lsb/init-functions

test -x $DAEMON || exit 0

# Include hal defaults if available
if [ -f /etc/default/hal ] ; then
	. /etc/default/hal
fi

set -e

do_start() {
	if [ ! -d $PIDDIR ]; then
		mkdir -p $PIDDIR
		chown $DAEMONUSER:$DAEMONUSER $PIDDIR
	fi
	start-stop-daemon --start --oknodo --pidfile $PIDFILE \
		--exec $DAEMON -- $DAEMON_OPTS
}

do_stop() {
	start-stop-daemon --stop --oknodo --quiet --pidfile $PIDFILE \
		--exec $DAEMON 
}

case "$1" in
  start)
	if [ ! -d /proc/sys/fs/inotify ]; then
		log_failure_msg "Can't start $DESC - enable inotify support in your kernel"
		exit 0
	fi
	if [ ! -e /var/run/dbus/system_bus_socket ]; then
		log_failure_msg "Can't start $DESC - please ensure dbus is running"
		exit 0
	fi
	
	if [ ! -d /sys/kernel ]; then
		log_failure_msg "Can't start $DESC - sysfs not mounted on /sys"
		exit 0
	fi
	
	if [ "$(stat -c %d/%i /)" != "$(stat -Lc %d/%i /proc/1/root 2>/dev/null)" ]; then
		log_failure_msg "Can't start $DESC - detected chrooted session"
		exit 0
	fi
	
	log_daemon_msg "Starting $DESC" "$NAME"
	do_start
	log_end_msg $?
	;;
  stop)
	log_daemon_msg "Stopping $DESC" "$NAME"
	do_stop
	log_end_msg $?
	;;
  restart|force-reload)
	log_daemon_msg "Restarting $DESC" "$NAME"
	do_stop
	sleep 1
	do_start
	log_end_msg $?
	;;
  status)
	status_of_proc -p $PIDFILE $DAEMON $NAME && exit 0 || exit $?
	;;
  *)
	log_success_msg "Usage: $0 {start|stop|restart|force-reload|status}" >&2
	exit 1
	;;
esac

exit 0
