#!/bin/sh

# echo "Starting shell from md boot"
# exec sh

/sbin/mount_tmpfs tmpfs /tmp
/sbin/mount_tmpfs tmpfs /var
mkdir /var/tmp
mkdir /var/run

rescue_shell() {
	echo "Starting recovery shell!"
	exec sh
	exit 0
}

# Start udevd
/sbin/udevd

for rcs in /etc/rc.*; do
	if [ -x $rcs ]; then
		. $rcs
	fi
done

echo "Mounting new root"

IFS=':'
REAL_ROOT=`sysctl -n vfs.real_root`
if [ "$?" -ne "0" ]; then
	echo "Kernel does not have vfs.real_root sysctl. Please update your" \
		"kernel if you intend to use initrd"
	rescue_shell
fi
set -- $REAL_ROOT
TYPE=$1
unset IFS

if [ "$TYPE" = "local" ]; then
	FSTYPE=$2
	MOUNTFROM=$3

	# Make sure MOUNTFROM begins with /dev/
	substr="${MOUNTFROM##/dev/}"
	if [ "$substr" = "$MOUNTFROM" ]; then
		MOUNTFROM="/dev/$MOUNTFROM"
	fi

	echo "executing /sbin/mount -t $FSTYPE $4 $MOUNTFROM /new_root"
	/sbin/mount -o ro -t $FSTYPE $4 $MOUNTFROM /new_root
	if [ "$?" -ne "0" ]; then
		rescue_shell
	fi
else
	if [ -x "/etc/rcmount_${TYPE}" ]; then
		. /etc/rcmount_${TYPE} $@
		if [ "$?" -ne "0" ]; then
			rescue_shell
		fi
	else
		rescue_shell
	fi
fi

# Stop udevd
read UDEVD_PID < /var/run/udevd.pid
kill $UDEVD_PID

# Clean up
rm -rf /var/*
rm -rf /tmp/*
/sbin/umount /var
/sbin/umount /tmp

echo "Mounting devfs on new root"
#/sbin/mount_devfs /new_root/dev
/sbin/mount_null /dev /new_root/dev