From 870b73cb12a554d43f135c49eb67875aaeea86ed Mon Sep 17 00:00:00 2001
From: Holger Hans Peter Freyther <holger@moiji-mobile.com>
Date: Sun, 12 Jul 2015 09:22:58 +0200
Subject: [PATCH] image-rauc-slot-rescue: Remove some more files from it

* We never need the BTS firmware. We never want to do GSM from
within rescue image

* Remove various udev hardware dbs. I think we couldn't care less
about identifying peripheral devices by name and such.
---
 recipes-core/images/image-rauc-slot-rescue.bb | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/recipes-core/images/image-rauc-slot-rescue.bb b/recipes-core/images/image-rauc-slot-rescue.bb
index b811377..dfd7e52 100644
--- a/recipes-core/images/image-rauc-slot-rescue.bb
+++ b/recipes-core/images/image-rauc-slot-rescue.bb
@@ -49,3 +49,15 @@ IMAGE_FSTYPES_sysmocom-idu = "cpio.xz"
 IMAGE_FSTYPES_sysmobts-v2 = "ubi"
 
 BAD_RECOMMENDATIONS += "busybox-syslog"
+
+
+shrink_rescue() {
+    # In case of the sysmoBTS.. remove files
+    rm -rf ${IMAGE_ROOTFS}/lib/firmware/sysmobts*
+
+    # Who cares about udev?
+    rm -rf ${IMAGE_ROOTFS}/lib/udev/hwdb.d/*
+    rm -rf ${IMAGE_ROOTFS}/etc/udev/hwdb.bin
+}
+
+IMAGE_PREPROCESS_COMMAND += "shrink_rescue; "