From 4b3c1251a4b511c36b6fdbb6f249ccd3114b00c5 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Wed, 31 Jan 2024 11:43:55 +0100
Subject: [PATCH] base-files: sysupgrade: allow overriding config restore
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Some platforms like Raspberry Pi require patching some backup files like
cmdline.txt in order to set the correct root PARTUUID.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
 package/base-files/files/sbin/sysupgrade | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade
index 720f3da3fa..ed8871b892 100755
--- a/package/base-files/files/sbin/sysupgrade
+++ b/package/base-files/files/sbin/sysupgrade
@@ -307,7 +307,11 @@ if [ -n "$CONF_RESTORE" ]; then
 
 	[ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
 	v "Restoring config files..."
-	tar -C / -x${TAR_V}zf "$CONF_RESTORE"
+	if [ "$(type -t platform_restore_backup)" == 'platform_restore_backup' ]; then
+		platform_restore_backup "$TAR_V"
+	else
+		tar -C / -x${TAR_V}zf "$CONF_RESTORE"
+	fi
 	exit $?
 fi
 
-- 
2.30.2