$ git clone -n https://src.fedoraproject.org/rpms/ocaml-base.git /var/lib/mock/f33-build-159017-43407/root/chroot_tmpdir/scmroot/ocaml-base
Cloning into '/var/lib/mock/f33-build-159017-43407/root/chroot_tmpdir/scmroot/ocaml-base'...
$ git reset --hard fedfae8999c0fc2b7bb49441a34848aeebc2d589
HEAD is now at fedfae8 OCaml 4.10.0 final.