$ git clone -n https://src.fedoraproject.org/rpms/tw.git /var/lib/mock/f29-build-4345-1032/root/thebuilddir/tmp/scmroot/tw
Cloning into '/var/lib/mock/f29-build-4345-1032/root/thebuilddir/tmp/scmroot/tw'...
$ git reset --hard ff020602eea4051fe56f81bd8079acf6cb830695
HEAD is now at ff02060 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild