[RFC] gen-manifests: add excluded packages via exclude: prefix in mock

[mvo5]

This commit adds excluded packages to the generated manifest when the gen-manifests command is run in the mockDepsolve() mode.

This allows us to compare the generated otk and images manifests with more confidence.

[supakeen]

Does it make sense to return these in the list of package specs? We wouldn't normally get that information from the depsolver as the packages are excluded so I feel like a list of package names is enough here?

[mvo5]

Does it make sense to return these in the list of package specs? We wouldn't normally get that information from the depsolver as the packages are excluded so I feel like a list of package names is enough here?

Maybe I'm misunderstanding what you are saying but if we just add the excluded package names as "normal" packages to the resolver we would not catch differences like "images" includes "pkg1" but "otk" excludes "pkg1". In both cases it would appear in the package list so I think we need some prefix/marker/thing that ensures they are different. Plus this is very explicit. But open for ideas of course.

[achilleas-k]

Does it make sense to return these in the list of package specs? We wouldn't normally get that information from the depsolver as the packages are excluded so I feel like a list of package names is enough here?

If I understand your question correctly, the current patch should include this. Meaning, the list of package specs (the rpmmd part of a manifest with metadata) should include all excluded packages as well now.

[achilleas-k]

I was going to suggest we also include 1767b44 here, but that's not as useful since the version numbers of excluded packages don't matter.

LGTM