|Indeed, I see that the f20 branch has the corresponding code. The spec file has control flow to select different patches and configurations depending on the platform.|
I'm not a Nova guy, but AFAIK el6-* branches were retired and replaced
by compound builds from f2* branches (f20 is Havana for fedora20,
fedora19, and el6; f21 is Icehouse for fedora20, el6, and el7; and
master for Juno for fedora-rawhide, fedora20, and el7).
For Fedoras, we build packages in Koji, and we use COPR for EL.
AFAIK there are no internal Red Hat repositories for RDO. Obviously, we
have internal repositories for RHOSP where we diverge a bit from