RFE: allow "--localrepo" and "--chain" with mock-scm

[gordonmessmer]

I'm building a simple tool that builds a sequence of packages using mock and mock-scm.

If I manually check out dist-git repos, fetch sources, and build SRPMs, I can then use "mock --chain --localrepo" repeatedly to build each SRPM in sequence.

mock-scm can check out dist-git repos, fetch sources, and build SRPMs, but it refuses to operate in "--chain" mode, printing an error:

CRITICAL: You must specify an SRPM file with --chain

This seems like it should be simple to resolve, since mock will be preparing an SRPM file.

[praiskup]

Triage: Postponing since we don't have enough time now. If you could help us and provide patch, it would be awesome!