$ git clone -n https://src.fedoraproject.org/rpms/python-gtkextra.git /var/lib/mock/f29-build-3876-964/root/thebuilddir/tmp/scmroot/python-gtkextra
Cloning into '/var/lib/mock/f29-build-3876-964/root/thebuilddir/tmp/scmroot/python-gtkextra'...
$ git reset --hard af4090293e0a22384225707ae3f5e101982067c3
HEAD is now at af40902 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild