#!/bin/sh

start() {
	mounted_proc=0
	if [ ! -e /proc/mounts ]; then
  	    echo "*** Mounting proc-fs. ***"
    	    mount proc
    	    mounted_proc=1
	else
  	    echo "mini_fo already started."
    	    exit
	fi

	if grep "/ mini_fo" /proc/mounts > /dev/null; then
  	    echo "*** Already running from mini_fo, done. ***"
	    umount /rom/proc
    	    if [ $mounted_proc = 1 ]; then
		umount proc
    	    fi
    	    mount -o bind /rom/var/sto /sto
    	    exit
	fi

	echo "*** Switching to mini_fo-root ... ***"

	set -e 

	# Don't insmod, because on some boxes path can be /lib/modules/2.6.13.1-ar7
	# insmod /lib/modules/2.6.13.1-ohio/kernel/fs/mini_fo/mini_fo.ko
	modprobe mini_fo
	mount -t tmpfs none /var
	mkdir /var/sto
	mount -t mini_fo -o base=/,sto=/var/sto / /sto
	cd /sto
	mkdir rom
	pivot_root . rom 

	sleep 1
	kill -1 1
}

case "$1" in 
	""|load)
		start
		;;
	status)
		if grep "/ mini_fo" /proc/mounts > /dev/null; then
			echo 'running'
		else
			echo 'stopped'
		fi
		;;
	*)
		echo "Usage: $0 [load|status]" 1>&2
		exit 1
		;;
esac

exit 0