$ git clone -n https://src.fedoraproject.org/rpms/protobuf-c.git /var/lib/mock/f29-build-3833-958/root/thebuilddir/tmp/scmroot/protobuf-c
Cloning into '/var/lib/mock/f29-build-3833-958/root/thebuilddir/tmp/scmroot/protobuf-c'...
$ git reset --hard ed47a15966a10fa6bd03d6f4782ddca7a19d6e80
HEAD is now at ed47a15 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild