#!/bin/bash
# SPDX-License-Identifier: GPL-2.0+

# Write a kernel into root.img

kern=$1

mnt=/mnt/x

loop=$(sudo losetup --show -f -P  root.img)
echo LOOP $loop
sudo mount ${loop}p2 $mnt
sudo cp -v $kern $mnt/boot

# uncomment to edit extlinux.conf
sudo gedit $mnt/boot/extlinux/extlinux.conf

sudo umount $mnt
sudo losetup -d $loop