$ git clone -n https://src.fedoraproject.org/rpms/vavoom.git /var/lib/mock/f29-build-4385-1035/root/thebuilddir/tmp/scmroot/vavoom
Cloning into '/var/lib/mock/f29-build-4385-1035/root/thebuilddir/tmp/scmroot/vavoom'...
$ git reset --hard 764f467c47b520a66459a3816f5fbc3baf2cd64c
HEAD is now at 764f467 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild