How to automate upgrade?

erdoukki · September 17, 2020, 2:21pm

Step #1, done;
the target of the first step is to autoclone the /rootfs (extroot) when sysugrade or flashing or resetting...
I'll have integrate the management of my rootfs layer here :

github.com

erdoukki/vrac/blob/master/75_rootfs_copy

#!/bin/sh
# Copyright (C) 2020 OpenWrt.org
# Copyright (C) 2020 G.KERMA - Gandalf(at)Gk2(dot)net
#
# dependencies : mount-utils partx-utils block-mount fdisk

. /lib/functions.sh
. /lib/upgrade/common.sh

rootfs_premount_init() {
	local boot_partdev
	local root_partdev
	local reset_needed
	DISK=/dev/mmcblk0
	DEVICE=${DISK}p3

	reset_needed=false
	# Test root fs reset needed
	echo "Test root fs reset needed..."
	if export_bootdevice && export_partdevice boot_partdev 1; then

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this script is for /lib/preinit/... it will check for a flag and (re)create a clone of rootfs and enable it for fstab...

Step #2, study GL.INET and/or TURRIS auto-updater...
The target of this second step is to keep or reinstall the users packages...!
The main problem may be the overlay of the rootfs...