[PATCH] baremetal-image.bbclass: avoid inheriting incompatible IMAGE_CLASSES

[Alejandro Enedino Hernandez Samaniego <alejandro@enedino.org>]

There could be IMAGE_CLASSES designed to work on images which arent
necessarily compatible with baremetal-images, one example is the
license_image class which relies on the package managers functionality
during do_rootfs, for baremetal images no rootfs is created hence the
package manager shouldnt be invoked, we need to avoid inheriting such
class to fix this behavior.

inherit BAREMETAL_IMAGE_CLASSES for baremetal images but set the default
to IMAGE_CLASSES, whilst removing undesired classes in an intermediate
step to avoid incompatibilities.

Signed-off-by: Alejandro Enedino Hernandez Samaniego <alejandro@enedino.org>
---
 meta/classes-recipe/baremetal-image.bbclass | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/meta/classes-recipe/baremetal-image.bbclass b/meta/classes-recipe/baremetal-image.bbclass
index d3377a92fa..2f07dec4ac 100644
--- a/meta/classes-recipe/baremetal-image.bbclass
+++ b/meta/classes-recipe/baremetal-image.bbclass
@@ -18,8 +18,15 @@
 ## Emulate image.bbclass
 # Handle inherits of any of the image classes we need
 IMAGE_CLASSES ??= ""
-IMGCLASSES = " ${IMAGE_CLASSES}"
+BAREMETAL_IMAGE_CLASSES ?= " ${IMAGE_CLASSES}"
+
+# The license_image class relies on package managers used on do_rootfs
+# these dont exist for baremetal images since no rootfs is created.
+BAREMETAL_IMAGE_CLASSES:remove = "license_image"
+
+IMGCLASSES = " ${BAREMETAL_IMAGE_CLASSES}"
 inherit ${IMGCLASSES}
+
 # Set defaults to satisfy IMAGE_FEATURES check
 IMAGE_FEATURES ?= ""
 IMAGE_FEATURES[type] = "list"
-- 
2.25.1