#!/bin/bash

#DANGER: if /mnt/.sys3restoresystem exists, this script WILL format your rootfs!

#do we need to restore something?
if [ -r /mnt/.syn3restoresystem ]; then

    splashinfo "Finishing restore... DO NOT REBOOT!"

    #first unmount the currently mounted /boot (/dev/md0):
    umount /mnt || error_shell

    #format /boot and /
    echo "Formatting filesystems..."
    mkfs.ext3 -F -O '^64bit' /dev/md0 || error_shell
    mkfs.xfs -f /dev/syn3/root || error_shell
    
    #mount the new rootfs
    mount -o inode32 /dev/syn3/root /mnt || error_shell
    
    #mount the new /boot 
    mkdir /mnt/boot
    mount /dev/md0 /mnt/boot || error_shell

    #mount the restored /home
    mkdir /mnt/home
    mount -o inode32 /dev/syn3/home /mnt/home || error_shell
    
    #restore all files
    echo "Restoring system data..."
    cp -v -a /mnt/home/.syn3systembackup/. /mnt || error_shell

    #this shouldnt exist anymore, but just to be sure we delete it anyway. (to prevent a loop in such case)
    rm /mnt/boot/.syn3restoresystem 2>/dev/null
    
    #cleanup and remount boot under /mnt, like it was before
    umount /mnt/home || error_shell
    umount /mnt/boot || error_shell
    umount /mnt || error_shell
    mount -o ro,norecovery /dev/md0 /mnt || error_shell
    
    echo "Restore finshed, the system should continue to boot like before now."
fi