$ git clone -n https://src.fedoraproject.org/rpms/goocanvasmm2.git /var/lib/mock/f29-build-6170-1516/root/thebuilddir/tmp/scmroot/goocanvasmm2
Cloning into '/var/lib/mock/f29-build-6170-1516/root/thebuilddir/tmp/scmroot/goocanvasmm2'...
$ git reset --hard e296c3425818eee5a533fb853fc8c7754e6249ee
HEAD is now at e296c34 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild