$ git clone -n https://src.fedoraproject.org/rpms/prboom.git /var/lib/mock/f29-build-3823-958/root/thebuilddir/tmp/scmroot/prboom
Cloning into '/var/lib/mock/f29-build-3823-958/root/thebuilddir/tmp/scmroot/prboom'...
$ git reset --hard a65984c6265ec94495c886179a76c2526b8bdbe2
HEAD is now at a65984c - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild