Thanks.
I had to slightly modify 3rd commit because it does not apply cleanly anymore.
I will test it today.
BTW: I used this modified Mock right now on builders (just -dev instance):
http://copr-fe.cloud.fedoraproject.org/coprs/msuchy/Mock/
--
Miroslav Suchy, RHCE, RHCDS
Red Hat, Software Engineer, #brno, #devexp, #fedora-buildsys