$ git clone -n https://src.fedoraproject.org/rpms/ocaml-base64.git /var/lib/mock/f33-build-136154-41857/root/chroot_tmpdir/scmroot/ocaml-base64
Cloning into '/var/lib/mock/f33-build-136154-41857/root/chroot_tmpdir/scmroot/ocaml-base64'...
$ git reset --hard 9a2bb9490ce23f046e75490992243fce1fc2cf75
HEAD is now at 9a2bb94 OCaml 4.10.0 final.