#!/bin/sh
#
# Version 1.0 - by Mick Hellstrom (2005)


exec > /dev/tty0 2>&1
setup()
{
	count=0
	####################
	echo -n "#### 1. Checking MMC: "
	while [ ! -f /media/card/loopfs.boot ]
	do
		sleep 1
		echo -n "#"
		let "count += 1"

		if [ "$count" = "16" ]
		then
			echo ""
			echo "No MMC found - continuing with normal boot."
			exit
		fi
	done
	echo ""
	echo "Found MMC!"

	FILE="`cat /media/card/loopfs.boot`"
	if [ ! -f $FILE ]
	then
		echo "Ooops - loopfs file $FILE is missing."
		exit
	fi
	echo "Using loopfs: $FILE"

	####################
	echo "#### 2. FSCK filesystem:"
	e2fsck -p $FILE

	####################
	echo "#### 3. Setting up loopback FS:"
	modprobe loop
	losetup /dev/loop/0 $FILE

	####################
	echo "#### 4. Mounting:"
	mount -o noatime /dev/loop/0 /mnt/loop

	####################
	echo "#### 5. Ballet:"
	cd /mnt/loop
	if [ ! -h dev ]
	then
		mv dev dev-OLD
		ln -s /mnt/realroot/dev
	fi
	if [ ! -h proc ]
	then
		mv proc proc-OLD
		ln -s /mnt/realroot/proc
	fi
	if [ ! -h tmp ]
	then
		mv tmp tmp-OLD
		ln -s /mnt/realroot/tmp
	fi
	if [ ! -h var ]
	then
		mv var var-OLD
		ln -s /mnt/realroot/var
	fi
	if [ ! -h root ]
	then
		mv root root-OLD
		ln -s /mnt/realroot/home/root
	fi

	if [ ! -f MMC ]
	then
		touch MMC
	fi

	if grep '^root:.:' etc/passwd;
	then
		# No root password! Use current root password.
		mv etc/passwd etc/passwd-SAVED
		grep '^root' /etc/passwd > etc/passwd
		grep -v '^root' etc/passwd-SAVED > etc/passwd
	fi

	if [ ! -d mnt/realroot ]
	then
		mkdir -p mnt/realroot
	fi
	pivot_root . mnt/realroot

	####################
	echo "#### 6. Tidying up:"
	killall Xfbdev

	####################
	echo "#### 7. Handover:"

#	if [ -x /sbin/unconfigured.sh ]
#	then
#		/sbin/unconfigured.sh
#	fi
#
#	if [ -x /sbin/setup.sh ]
#	then
#		/sbin/setup.sh
#	fi
}


case $1 in
'start')
	setup
	;;

'stop')
	killall sshd apmd portmap
	cd /mnt/realroot
	pivot_root . /mnt/realroot
	;;

*)
	setup
	;;
esac