#!/bin/sh

# Largely adapted from xdm's init script:
# Copyright 1998-2002, 2004, 2005 Branden Robinson <branden@debian.org>.
# Copyright 2006 Eugene Konev <ejka@imfi.kspu.ru>
#
# This is free software; you may redistribute it and/or modify
# it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2,
# or (at your option) any later version.
#
# This is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License with
# the Debian operating system, in /usr/share/common-licenses/GPL;  if
# not, write to the Free Software Foundation, Inc., 51 Franklin Street, 
# Fifth Floor, Boston, MA 02110-1301, USA.

### BEGIN INIT INFO
# Provides:          lightdm
# Required-Start:    $local_fs $remote_fs dbus
# Required-Stop:     $local_fs $remote_fs dbus
# Should-Start:      $named
# Should-Stop:       $named
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start lightdm
### END INIT INFO

set -e

setglobal HEED_DEFAULT_DISPLAY_MANAGER = ''
# To start lightdm even if it is not the default display manager, change
# HEED_DEFAULT_DISPLAY_MANAGER to "false."
# Also overridable from command line like:
# HEED_DEFAULT_DISPLAY_MANAGER=false /etc/init.d/lightdm start
test -z $HEED_DEFAULT_DISPLAY_MANAGER && setglobal HEED_DEFAULT_DISPLAY_MANAGER = 'true'

setglobal DEFAULT_DISPLAY_MANAGER_FILE = '/etc/X11/default-display-manager'

setglobal PATH = '/bin:/usr/bin:/sbin:/usr/sbin'
setglobal DAEMON = '/usr/sbin/lightdm'
setglobal PIDFILE = '/var/run/lightdm.pid'

if test -r /etc/default/locale {
  source /etc/default/locale
  export LANG LANGUAGE
}

test -x $DAEMON || exit 0

source /lib/lsb/init-functions

setglobal SSD_START_ARGS = ""--pidfile $PIDFILE --name $[basename $DAEMON] --startas $DAEMON -- -d""
setglobal SSD_STOP_ARGS = ""--pidfile $PIDFILE --name $[basename $DAEMON] --retry TERM/5/TERM/5""

match $1 {
  with start
    if test $HEED_DEFAULT_DISPLAY_MANAGER = "true" &&
       test -e $DEFAULT_DISPLAY_MANAGER_FILE &&
       test $[cat $DEFAULT_DISPLAY_MANAGER_FILE] != "/usr/bin/lightdm" -a $[cat $DEFAULT_DISPLAY_MANAGER_FILE] != "/usr/sbin/lightdm" {
      echo "Not starting X display manager (lightdm); it is not the default" \
        "display manager."
    } else {
      log_daemon_msg "Starting X display manager" "lightdm"
      start-stop-daemon --start --quiet $SSD_START_ARGS \
        || log_progress_msg "already running"
      log_end_msg 0
    }
  

  with restart
    test -f $PIDFILE && /etc/init.d/lightdm stop
    test -f $PIDFILE && exit 1
    /etc/init.d/lightdm start
  

  with stop
    log_daemon_msg "Stopping X display manager" "lightdm"
    if ! test -f $PIDFILE {
      log_progress_msg "not running ($PIDFILE not found)"
    } else {
      start-stop-daemon --stop --quiet $SSD_STOP_ARGS
      setglobal SSD_RES = $Status
      if test $SSD_RES -eq 1 {
        log_progress_msg "not running"
      }
      if test $SSD_RES -eq 2 {
        log_progress_msg "not responding to TERM signals"
      } else {
	if test -f $PIDFILE {
	  log_progress_msg "(removing stale $PIDFILE)"
	  rm $PIDFILE
	}
      }
    }
    log_end_msg 0
  
  with force-reload
    /etc/init.d/lightdm restart
  

  with *
    echo "Usage: /etc/init.d/lightdm {start|stop|restart|force-reload}"
    exit 1
    
}

exit 0