$ git clone -n https://src.fedoraproject.org/rpms/rakudo-URI.git /var/lib/mock/f29-build-3974-980/root/thebuilddir/tmp/scmroot/rakudo-URI
Cloning into '/var/lib/mock/f29-build-3974-980/root/thebuilddir/tmp/scmroot/rakudo-URI'...
$ git reset --hard 71751148fa1cf68f65e33c96b2991ffd441e0717
HEAD is now at 7175114 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild