$ git clone -n https://src.fedoraproject.org/rpms/heimdal.git /var/lib/mock/f29-build-6989-1716/root/thebuilddir/tmp/scmroot/heimdal
Cloning into '/var/lib/mock/f29-build-6989-1716/root/thebuilddir/tmp/scmroot/heimdal'...
$ git reset --hard 84ed5706cbeffcdd0e6b7846faab035ae2d94f28
HEAD is now at 84ed570 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild