#! /bin/bash
#
# yum-updateonboot Updates rpms on the system at boot
#
# chkconfig: - 30 70
# description: Runs 'yum update' at boot.  Also calls 'yum groupinstall' for \
#              specified groups
#

### BEGIN INIT INFO
# Provides: lsb-yum-updateonboot
# Required-Start: $local_fs $network $remote_fs
# Required-Stop: $local_fs $network $remote_fs
# Should-Start: 
# Should-Stop: 
# Default-Start: 
# Default-Stop: 
# Short-Description: start the yum-updateonboot deamon
# Description: Runs 'yum update' at boot.  Also calls 'yum groupinstall' for \
#              specified groups     
### END INIT INFO

# This program is free software; you can 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 of the License, or
# (at your option) any later version.
#
# This program 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 Library General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

# Copyright 2005 Duke University
# Written by Sean Dilda <sean@duke.edu>

# Source function library.
. /etc/init.d/functions

if [ ! -f /etc/sysconfig/yum-updateonboot ]; then
    exit 0
fi

. /etc/sysconfig/yum-updateonboot

# be quiet by default
[ -z "$OPTIONS" ] && OPTIONS="-q"

# See how we were called.
case "$1" in
  start)
  
	if [ "x$REBOOT_RPMS" != "x" ] ;then
	    TMP1=`/bin/mktemp /tmp/yum-update.XXXXXX`
	    TMP2=`/bin/mktemp /tmp/yum-update.XXXXXX`
	    rpm -q $REBOOT_RPMS > $TMP1
	fi
	echo -n "Updating RPMS on system: "
	yum -y update $OPTIONS && success || failure
	echo
	OLD_IFS=$IFS
	IFS=";"
	for group in $GROUPLIST ; do
	    IFS=$OLD_IFS
	    echo -n $"Updating RPMS in group $group: "
	    yum -y groupupdate "$group" $OPTIONS && success || failure
	    echo
	done
	IFS=$OLD_IFS
	if [ "x$REBOOT_RPMS" != "x" ] ;then
	    rpm -q $REBOOT_RPMS > $TMP2
	    if ! diff $TMP1 $TMP2 &> /dev/null; then 
		rm -f $TMP1
		rm -f $TMP2
		echo "Critical RPMs were updated.. rebooting now"
		/sbin/reboot
	    fi
	    rm -f $TMP1
	    rm -f $TMP2
	fi
	
        ;;
  stop)
        ;;
  status)
	;;
  restart|reload)
        cd "$CWD"
	$0 stop
	$0 start
	;;
  usage)
        echo $"Usage: $0 {start|stop|restart|reload|status}"
	;;
  *)
        echo $"Usage: $0 {start|stop|restart|reload|status}"
        exit 2
esac

exit 0