$ git clone -n https://src.fedoraproject.org/rpms/python-m2ext.git /var/lib/mock/f29-build-782-385/root/thebuilddir/tmp/scmroot/python-m2ext
Cloning into '/var/lib/mock/f29-build-782-385/root/thebuilddir/tmp/scmroot/python-m2ext'...
$ git reset --hard 23dd6c577e97725561d6f85a3a312728dd09a595
HEAD is now at 23dd6c5 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild