$ git clone -n https://src.fedoraproject.org/rpms/openuniverse.git /var/lib/mock/f29-build-3519-917/root/thebuilddir/tmp/scmroot/openuniverse
Cloning into '/var/lib/mock/f29-build-3519-917/root/thebuilddir/tmp/scmroot/openuniverse'...
$ git reset --hard 6f920f63713a5c38ba73c01b1964f3609a0dffce
HEAD is now at 6f920f6 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild