$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-derivers.git /var/lib/mock/f33-build-153403-43331/root/chroot_tmpdir/scmroot/ocaml-ppx-derivers
Cloning into '/var/lib/mock/f33-build-153403-43331/root/chroot_tmpdir/scmroot/ocaml-ppx-derivers'...
$ git reset --hard 42b8e5ed8b4e143adc1dd48752e5077fc42a9cb6
HEAD is now at 42b8e5e OCaml 4.10.0 final.