$ git clone -n https://src.fedoraproject.org/rpms/ocaml-zarith.git /var/lib/mock/f33-build-153646-43339/root/chroot_tmpdir/scmroot/ocaml-zarith
Cloning into '/var/lib/mock/f33-build-153646-43339/root/chroot_tmpdir/scmroot/ocaml-zarith'...
$ git reset --hard ea8d33ddfe471b126194914d3fead9681441038a
HEAD is now at ea8d33d OCaml 4.10.0 final.