$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-variants-conv.git /var/lib/mock/f41-build-811978-147631/root/chroot_tmpdir/scmroot/ocaml-ppx-variants-conv
Cloning into '/var/lib/mock/f41-build-811978-147631/root/chroot_tmpdir/scmroot/ocaml-ppx-variants-conv'...
$ git fetch origin 6059d445fa6d79cc8977ca543a6aa424984420f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-variants-conv
 * [new ref]         6059d445fa6d79cc8977ca543a6aa424984420f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6059d44 OCaml 5.2.0 for Fedora 41