#!/bin/sh
rootfs=/squashfs
overlay=$rootfs/mnt
rootdir=/overlay/root
workdir=/overlay/work

mount -t devtmpfs devtmpfs /dev
mount -t proc proc /proc
mount -t sysfs sysfs /sys

sleep 1
fsck.fat -a /dev/mmcblk0p1
mkdir -p $rootfs /overlay /sdcard /tmp
mount -r /dev/mmcblk0p1 /sdcard

echo OpenIPC: Copy squashfs
cp -f /sdcard/rootfs.squashfs.* /tmp || exec sh
mount /tmp/rootfs.squashfs.* $rootfs || exec sh
mount -t tmpfs tmpfs /overlay
if [ -f /sdcard/settings.tar ]; then
	tar -xf /sdcard/settings.tar -C /overlay
fi

echo OpenIPC: Mount overlayfs
mkdir -p $rootdir $workdir
mount -t overlay overlay -o lowerdir=$rootfs,upperdir=$rootdir,workdir=$workdir $overlay
mount -o move /dev $overlay/dev
mount -o move /overlay $overlay/overlay
ln -sf ../wireless/interfaces $overlay/etc/network/interfaces
cp -f /bin/savesettings $overlay/usr/bin

umount /sdcard
umount /proc
umount /sys

echo OpenIPC: Switch to new root
exec switch_root $overlay /sbin/init