$ git clone -n https://src.fedoraproject.org/rpms/six.git /var/lib/mock/f29-build-6605-1623/root/thebuilddir/tmp/scmroot/six
Cloning into '/var/lib/mock/f29-build-6605-1623/root/thebuilddir/tmp/scmroot/six'...
$ git reset --hard 7a4d038cde92a9893eccfe513801f8c81130693a
HEAD is now at 7a4d038 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild