$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ocplib-simplex.git /var/lib/mock/f31-build-113637-34408/root/chroot_tmpdir/scmroot/ocaml-ocplib-simplex
Cloning into '/var/lib/mock/f31-build-113637-34408/root/chroot_tmpdir/scmroot/ocaml-ocplib-simplex'...
$ git reset --hard cae0006d127f19424e9a44072c43daa7eed3289b
HEAD is now at cae0006 OCaml 4.08.1 (rc2) rebuild.