$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-cold.git /var/lib/mock/f41-build-811590-147445/root/chroot_tmpdir/scmroot/ocaml-ppx-cold
Cloning into '/var/lib/mock/f41-build-811590-147445/root/chroot_tmpdir/scmroot/ocaml-ppx-cold'...
$ git fetch origin 9ea45c03e7573eadb3098ea47b1274f3f27b8ef8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-cold
 * [new ref]         9ea45c03e7573eadb3098ea47b1274f3f27b8ef8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ea45c0 OCaml 5.2.0 for Fedora 41