$ git clone -n https://src.fedoraproject.org/rpms/ocaml-zmq.git /var/lib/mock/f33-build-251946-50768/root/chroot_tmpdir/scmroot/ocaml-zmq
Cloning into '/var/lib/mock/f33-build-251946-50768/root/chroot_tmpdir/scmroot/ocaml-zmq'...
$ git reset --hard d6b9291f268f4e8803787c8db14cd64572a0efd9
HEAD is now at d6b9291 OCaml 4.11.0+dev2-2020-04-22 rebuild