[PATCH v2] classes/image-postproc: chroot before postprocessing /etc/machine-id

["alexander.heinisch via isar-users" <isar-users@googlegroups.com>]

From: Alexander Heinisch <alexander.heinisch@siemens.com>

If /etc/machine-id happens to be a link to e.g. /var/...
the postprocessing overrides build-hosts /var/... instead of
the desired file on the rootfs.

Signed-off-by: Alexander Heinisch <alexander.heinisch@siemens.com>
---
 meta/classes/image-postproc-extension.bbclass | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/classes/image-postproc-extension.bbclass b/meta/classes/image-postproc-extension.bbclass
index 991bac4c..b332e826 100644
--- a/meta/classes/image-postproc-extension.bbclass
+++ b/meta/classes/image-postproc-extension.bbclass
@@ -63,7 +63,7 @@ image_postprocess_machine_id() {
     if dpkg --compare-versions "$SYSTEMD_VERSION" "lt" "247"; then
         MACHINE_ID=""
     fi
-    echo "$MACHINE_ID" | sudo tee '${IMAGE_ROOTFS}/etc/machine-id'
+    echo "$MACHINE_ID" | sudo chroot ${IMAGE_ROOTFS} tee /etc/machine-id
     sudo rm -f '${IMAGE_ROOTFS}/var/lib/dbus/machine-id'
 }
 
-- 
2.39.5

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