$ git clone -n https://src.fedoraproject.org/rpms/ocaml.git /var/lib/mock/f33-build-180723-45189/root/chroot_tmpdir/scmroot/ocaml
Cloning into '/var/lib/mock/f33-build-180723-45189/root/chroot_tmpdir/scmroot/ocaml'...
$ git reset --hard 7c612a100baa2192064a0b051c5795bcb4d0cc7a
HEAD is now at 7c612a1 Update all OCaml dependencies for RPM 4.16.