dist-repo command will fail on missing archs if given tag doesn't have any. But it could have inherited ones, so instead of looking to getTag we should also check if there are no inherited architectures.
PR 2912
Metadata Update from @jcupova: - Custom field Size adjusted to None
Metadata Update from @mfilip: - Issue tagged with: testing-done, testing-ready
Commit 562e970a fixes this issue
Commit 31f0db59 fixes this issue
This issue has been migrated to Fedora Forge: https://forge.fedoraproject.org/koji/koji/issues/2805
Please continue any further discussion there.