Adjust the UUID value

thangnd85 · Jan 22, 2022 · bbcc637 · bbcc637
1 parent c08dbd4
commit bbcc637
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/rebuild b/rebuild
@@ -129,7 +129,10 @@ make_image() {
     dd if=/dev/zero of=${build_image_file} bs=1M count=${IMG_SIZE} conv=fsync >/dev/null 2>&1
     sync
 
-    ROOTFS_UUID=$(uuidgen)
+    ROOTFS_UUID="$(cat /proc/sys/kernel/random/uuid)"
+    [ -z "${ROOTFS_UUID}" ] && ROOTFS_UUID="$(uuidgen)"
+    [ -z "${ROOTFS_UUID}" ] && error_msg "The uuidgen is invalid, cannot continue."
+
     parted -s ${build_image_file} mklabel msdos 2>/dev/null
     parted -s ${build_image_file} mkpart primary fat32 $((SKIP_MB))M $((SKIP_MB + BOOT_MB - 1))M 2>/dev/null
     parted -s ${build_image_file} mkpart primary ext4 $((SKIP_MB + BOOT_MB))M 100% 2>/dev/null