#!/bin/sh
# Copyright (C) 2006 OpenWrt.org

#pivot function blatantly stolen from the firstboot stuff in the WRT54 arch files
pivot() { # <new_root> <old_root>
	mount -o move /proc $1/proc && \
	pivot_root $1 $1$2 && {
		mount -o move $2/dev /dev
		mount -o move $2/tmp /tmp
		mount -o move $2/sys /sys
		return 0
	}
}

#just a little bit of time for the usb to settle down and get plugged in
#technically it probably should be done in hotplug, but, we need to handle
#the case of no key at all, and fall thru to ramdisk when it's selected
sleep 5

if [[ "$NOPIVOT" = "1" ]]; then
  echo starting from a ramdisk
else 
  mount /dev/discs/disc0/disc /mnt
  mkdir -p /mnt/old
  pivot /mnt /old
fi