Re: [PATCH v7 3/3] meta: Deploy image build artifacts into distro- and image-specific subdirs

[Zhihang Wei <wzh@ilbers.de>]

On 4/10/26 11:44, MOESSBAUER, Felix wrote:
> On Thu, 2026-02-26 at 17:26 +0100, Zhihang Wei wrote:
>> From: Ilia Skochilov <iskochilov@ilbers.de>
>>
>> When building different distros or images for the same machine (e.g.
>> phyboard-mira-bullseye and phyboard-mira-bookworm, or isar-image-ci
>> and isar-image-base), artifacts with identical names (e.g. DTB files)
>> may be deployed to the same location, resulting file conflicts and
>> build failures.
>>
>> Deploy image build artifacts into a subdirectory named
>> ${DISTRO}-${IMAGE_PN} to avoid such collisions.
>>
>> Since the directory now encodes the distro and image name, remove the
>> ${DISTRO} and ${IMAGE_PN} prefixes from artifact filenames to
>> keep the names short and clear.
>>
> [shortening a bit]
>
>> +IMAGE_PN ?= ""
>> +DEPLOY_DIR_IMAGE = "${DEPLOY_DIR}/images/${MACHINE}${@('/%s-%s' % (d.getVar('DISTRO'), d.getVar('IMAGE_PN'))) if d.getVar('IMAGE_PN') != '' else ''}"
> This cannot work, as the value of IMAGE_PN is late-expanded, hence
> different in the initrd recipe and the image recipe. The
> DEPLOY_DIR_IMAGE variable must only use data that is machine specific,
> not image specific (distro might be fine, though as this is identical
> for both initrd and image).
Understand the merge_wic_sbom problem here.

"merge_wic_sbom" cares only about the customized initrd, right? Then we
could probably change image artifacts (kernel, image, default initrd)
deploy path only in the image.bbclass, and not touching
DEPLOY_DIR_IMAGE.
> Voting for a revert of this patchset.
>
> PS: Regarding the DTB issue? Can't we simply prefix the DTBs with the
> IMAGE_PN? In do_copy_boot_files we know the IMAGE_PN and during wic-
> imaging we can remove the prefix again.
Prefixing DTBs with IMAGE_PN only may not be enough. We have two test 
cases: - Same machine, different distros, same image - Same machine, 
same distro, different images Both failed before this patch.
Zhihang

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