[PATCH 2/2] meta-isar/rpi-sdimg: take boot content out of rootfs

[Henning Schild <work@hennsch.de>]

From: Henning Schild <henning.schild@siemens.com>

boot is an extra partition which gets mounted over, no need to keep the
content in the underlying rootfs

Signed-off-by: Henning Schild <henning.schild@siemens.com>
---
 meta-isar/classes/rpi-sdimg.bbclass | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/meta-isar/classes/rpi-sdimg.bbclass b/meta-isar/classes/rpi-sdimg.bbclass
index dde121d2616e..4bde61bf6b48 100644
--- a/meta-isar/classes/rpi-sdimg.bbclass
+++ b/meta-isar/classes/rpi-sdimg.bbclass
@@ -84,3 +84,16 @@ append_boot_fstab() {
 restore_fstab() {
     sudo cp -f ${WORKDIR}/fstab.orig ${IMAGE_ROOTFS}/etc/fstab
 }
+
+do_ext4_image[prefuncs] += " empty_boot_folder"
+do_ext4_image[postfuncs] += " restore_boot_folder"
+
+empty_boot_folder() {
+    sudo mv ${IMAGE_ROOTFS}/boot ${WORKDIR}/boot.orig
+    sudo mkdir -p ${IMAGE_ROOTFS}/boot
+}
+
+restore_boot_folder() {
+    sudo rm -rf ${IMAGE_ROOTFS}/boot
+    sudo mv ${WORKDIR}/boot.orig ${IMAGE_ROOTFS}/boot
+}
-- 
2.34.1