#!/bin/sh
#
# chkconfig: 345 90 90
# description: Executes Qubes core scripts at VM boot
#
# Source function library.
. /etc/rc.d/init.d/functions

start()
{
	echo -n $"Executing Qubes Core scripts:"

	if ! [ -x /usr/bin/xenstore-read ] ; then
		echo "ERROR: /usr/bin/xenstore-read not found!"
		exit 1
	fi
	if xenstore-read qubes_save_request ; then 
		touch /etc/this_is_dvm
		dmesg -c >/dev/null
#		echo 1 >/proc/sys/vm/drop_caches
#		free | grep buffers/cache | 
#			(read a b c d ; xenstore-write device/qubes_used_mem $c)
		free | grep Mem: | 
			(read a b c d ; xenstore-write device/qubes_used_mem $c)
		echo "Waiting for restore"
		while ! dmesg -c | grep "using vcpu" ; do usleep 10 ; done
		while ! xenstore-read qubes_vm_type 2>/dev/null ; do 
			usleep 10
		done
		echo Back to life.
	fi

	name=$(/usr/bin/xenstore-read name)
	hostname $name

	ip=$(/usr/bin/xenstore-read qubes_ip)
	netmask=$(/usr/bin/xenstore-read qubes_netmask)
	gateway=$(/usr/bin/xenstore-read qubes_gateway)
	secondary_dns=$(/usr/bin/xenstore-read qubes_secondary_dns)
	if [ x$ip != x ]; then
		/sbin/ifconfig eth0 $ip netmask $netmask up
		/sbin/route add default gw $gateway
		echo "nameserver $gateway" > /etc/resolv.conf
		echo "nameserver $secondary_dns" >> /etc/resolv.conf
	fi

	if [ -e /dev/xvdb ] ; then
		mount /rw

        if ! [ -d /rw/home ] ; then
            echo
            echo "--> Virgin boot of the VM: Linking /home to /rw/home"
            mv /home /home.orig
            mkdir -p /rw/config
            mkdir -p /rw/home
            ln -s /rw/home/ /home
            cp -a /home.orig/user /home
            touch /rw/config/rc.local
            rm -fr /home.orig
            touch /var/lib/qubes/first_boot_completed
        fi

        if ! [ -L /home ] ; then
            mv /home /home.orig
            ln -s /rw/home /home
        fi
        if ! [ -L /usr/local ] ; then
            mv /usr/local /usr/local.orig
            ln -s /rw/usrlocal /usr/local
        fi
#make it last, we want all above to work without /rw mounted
		if ! [ -d /rw/usrlocal ] ; then
        		cp -a /usr/local.orig /rw/usrlocal
		fi
	else
		ln -sf /home_volatile /home
	fi

	[ -x /rw/config/rc.local ] && /rw/config/rc.local
	success
	echo ""
	return 0
}

stop()
{
	return 0
}

case "$1" in
  start)
	start
	;;
  stop)
	stop
	;;
  *)
	echo $"Usage: $0 {start|stop}"
	exit 3
	;;
esac

exit $RETVAL