From: Luca Barbato <lu_zero@gentoo.org>
Date: Sat, 4 Mar 2023 10:46:33 +0000 (+0100)
Subject: block: support skipping uuid check
X-Git-Url: http://git.openwrt.org/ubox.git?a=commitdiff_plain;h=3a07943e1e60699ba952e605f0cf23c82de356cb;p=project%2Ffstools.git

block: support skipping uuid check

Add a mean to avoid the uuid check by checking for the presence
of /etc/.extroot-default in the overlay.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
---

diff --git a/block.c b/block.c
index c015fe1..9b7c49c 100644
--- a/block.c
+++ b/block.c
@@ -1479,6 +1479,10 @@ static int check_extroot(char *path)
 	FILE *fp;
 	int err;
 
+	snprintf(tag, sizeof(tag), "%s/etc/.extroot-default", path);
+	if (stat(tag, &s))
+		return 0;
+
 	err = find_root_dev(devpath, sizeof(devpath));
 	if (err)
 		err = find_block_mtd("\"rootfs\"", devpath, sizeof(devpath));