https://bugzilla.redhat.com/show_bug.cgi?id=842124
--- Comment #5 from Michael Scherer misc@zarb.org --- In fact, I do not understand, can you explain in more detail what are such conflict, what do you see, how it fail the build ?
I see no reason that fedora on OBS should be different from koji or mock, that's basically the same rpm, installed by similar tools.