$ git clone -n https://src.fedoraproject.org/rpms/libcpuid.git /var/lib/mock/f29-build-6264-1528/root/thebuilddir/tmp/scmroot/libcpuid
Cloning into '/var/lib/mock/f29-build-6264-1528/root/thebuilddir/tmp/scmroot/libcpuid'...
$ git reset --hard 51fa7c99f3d5db62721bc3d8e1999770e5d583c2
HEAD is now at 51fa7c9 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild