$ git clone -n https://src.fedoraproject.org/rpms/erlang-webmachine.git /var/lib/mock/f29-build-2213-676/root/thebuilddir/tmp/scmroot/erlang-webmachine
Cloning into '/var/lib/mock/f29-build-2213-676/root/thebuilddir/tmp/scmroot/erlang-webmachine'...
$ git reset --hard 5af1efed02ff6fba8dd88907420ce47838b2b8cf
HEAD is now at 5af1efe - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild