switchrepo tdi
cat >> /etc/init.d/yummy << EOF
#!/bin/sh

# chkconfig: 345 99 01
# description: Update yum on shutdown or reboot

lockfile=/var/lock/subsys/yummy

start () {
        touch $lockfile
}

stop () {
        yum -y update
        [ -f "${lockfile}" ] && rm -f /var/lock/subsys/yummy
}

case "$1" in
  start)
        start
        ;;
  stop)
        stop
        ;;
  restart)
        stop
        start
        ;;
  *)
        echo $"Usage: $0 {start|stop|restart}"
esac
EOF
chmod +x /etc/init.d/yummy
chkconfig --add yummy