sbin/reform-flash-rescue: change disk labels after dd

Otherwise, an inserted SD card will look for a partition with the
reformsdboot and reformsdroot label, find it on the emmc and use those
instead of sd-card.

debian/changelog

+reform-tools (1.26) reform; urgency=medium
+
+  * sbin/reform-flash-rescue: change disk labels after dd
+
+ -- Johannes Schauer Marin Rodrigues <josch@debian.org>  Mon, 11 Sep 2023 17:54:27 +0200
+
 reform-tools (1.25) reform; urgency=medium
 
   * updates for sysimage-v4

sbin/reform-flash-rescue

@@ -71,6 +71,10 @@ else
 fi; } | gzip --decompress --to-stdout | dd of=/dev/mmcblk0 status=progress
 partprobe /dev/mmcblk0
 
+# overwrite the partition label
+e2label /dev/mmcblk0p1 reformemmcboot
+e2label /dev/mmcblk0p2 reformemmcroot
+
 # The rescue system image that we downloaded and wrote to the eMMC above is
 # configured to use the rootfs on the SD-Card but we want the initramfs on eMMC
 # to boot the rootfs on eMMC and not the rootfs from SD-Card.  Use