$ git clone -n git://pkgs.fedoraproject.org/rpms/rdkit /var/lib/mock/f29-build-4151-984/root/thebuilddir/tmp/scmroot/rdkit
Cloning into '/var/lib/mock/f29-build-4151-984/root/thebuilddir/tmp/scmroot/rdkit'...
$ git reset --hard 632bc432b9dfbc616db8bdd08b546c9aa92c5f14
HEAD is now at 632bc43 new upstream release