$ git clone -n https://src.fedoraproject.org/rpms/ocaml-base.git /var/lib/mock/f33-build-180740-45189/root/chroot_tmpdir/scmroot/ocaml-base
Cloning into '/var/lib/mock/f33-build-180740-45189/root/chroot_tmpdir/scmroot/ocaml-base'...
$ git reset --hard b170ba8c33e8088de6842e4243202710a6fe1200
HEAD is now at b170ba8 Update all OCaml dependencies for RPM 4.16.