$ git clone -n https://src.fedoraproject.org/rpms/tachyon.git /var/lib/mock/f29-build-5207-1240/root/thebuilddir/tmp/scmroot/tachyon
Cloning into '/var/lib/mock/f29-build-5207-1240/root/thebuilddir/tmp/scmroot/tachyon'...
$ git reset --hard 3ebe342566705dcd14e76959bf1e5f67f05de839
HEAD is now at 3ebe342 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild