$ git clone -n https://src.fedoraproject.org/rpms/ocaml-newt.git /var/lib/mock/f31-build-47028-26762/root/chroot_tmpdir/scmroot/ocaml-newt
Cloning into '/var/lib/mock/f31-build-47028-26762/root/chroot_tmpdir/scmroot/ocaml-newt'...
$ git reset --hard e27a7c355a4ba1cbfa66f95db0efb4cb0b96a6cd
HEAD is now at e27a7c3 OCaml 4.08.0 (final) rebuild.