[OE-core] [PATCH] wic: Honor APPEND

[Richard Purdie]

On Thu, 2020-02-13 at 10:31 +0800, Kevin Hao wrote:
> APPEND is used to add additional parameters to kernel by features,
> such
> as read-only-rootfs. So we should honor this variable when we compose
> the kernel parameter in wic. I know we also can resolve this kind of
> issue by using the .wks.in template introduced by commit 42e870c5ed4b
> ("image_types.bbclass: support template .wks.in files for wic"), but
> the
> APPEND is needed by all the wks, it would seems pretty ridiculous to
> me
> to change all the .wks to .wks.in and then foist the APPEND into
> them.
> So the APPEND is definitely deserved to export to the wic directly.
> 
> [Yocto #12809]
> 
> Signed-off-by: Kevin Hao <kexin.hao at windriver.com>
> ---
>  meta/classes/image_types_wic.bbclass | 2 +-
>  scripts/lib/wic/ksparser.py          | 5 +++++
>  2 files changed, 6 insertions(+), 1 deletion(-)

This seems to cause a selftest failure:

https://autobuilder.yoctoproject.org/typhoon/#/builders/80/builds/688

oe-selftest -r wic.Wic2.test_image_env

Cheers,

Richard