#!/bin/sh
rootfs=/squashfs
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 /mnt /overlay /sdcard /tmp

echo OpenIPC: Copy squashfs
mount -r /dev/mmcblk0p1 /sdcard || exec sh
cp -f /sdcard/rootfs.squashfs.* /tmp || exec sh
mount /tmp/rootfs.squashfs.* $rootfs || exec sh

mount -t tmpfs tmpfs -o size=5M /overlay
[ -f /sdcard/settings.tar ] && tar -xf /sdcard/settings.tar -C /overlay

echo OpenIPC: Mount overlayfs
mkdir -p $rootdir $workdir
mount -t overlay overlay -o lowerdir=$rootfs,upperdir=$rootdir,workdir=$workdir /mnt

mount -o move /dev /mnt/dev
mount -o move /overlay /mnt/overlay
mount -o move $rootfs /mnt/rom

ln -sf ../wireless/interfaces /mnt/etc/network/interfaces
cp -f /bin/savesettings /mnt/usr/sbin

umount /sdcard
umount /proc
umount /sys

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