# Calculate os_install_scratch==on chmod=0755
#!/sbin/runscript

description="Mount the root fs read/write"

depend()
{
	need fsck
	keyword nojail noopenvz noprefix novserver
}

start()
{
	if echo 2>/dev/null >/.test.$$; then
		rm -f /.test.$$ /fastboot /forcefsck
		return 0
	fi

	ebegin "Remounting root filesystem read/write"
	case "${RC_UNAME}" in
		Linux)	SCRATCH_ROOT=`sed -nr 's/(\S+)\s+\/newroot\s+.*/\1/p' /proc/mounts`
			if [ "$SCRATCH_ROOT" -a "${SCRATCH_ROOT}" != "tmpfs" ];
			then
				mount -n $SCRATCH_ROOT /mnt/scratch
				if [[ -n `cat /proc/mounts | grep "none / aufs"` ]];
				then
					mount -n -t aufs -o remount,rw none /
					mount -n -t aufs -o remount,rw none /mnt/builder
				else
					mount -n -t unionfs -o remount,dirs=/mnt/scratch/workspace=rw:/mnt/scratch/delta=ro:/mnt/scratch/calculate=ro unionfs /
					mount -n -t unionfs -o remount,dirs=/mnt/scratch/delta=rw:/mnt/scratch/calculate=ro unionfs /mnt/builder
				fi
				mount -o loop -t squashfs /mnt/scratch/livecd.squashfs /mnt/scratch/calculate
			else
				mount -n -o remount,rw /
			fi
			;;
		*)	mount -u -o rw /;;
	esac
	if eend $? "Root filesystem could not be mounted read/write"; then
		rm -f /fastboot /forcefsck
	fi
}
