$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-let.git /var/lib/mock/f41-build-811595-147445/root/chroot_tmpdir/scmroot/ocaml-ppx-let
Cloning into '/var/lib/mock/f41-build-811595-147445/root/chroot_tmpdir/scmroot/ocaml-ppx-let'...
$ git fetch origin c9f1b0e47af3ea932cec2816f840fed25d404674:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-let
 * [new ref]         c9f1b0e47af3ea932cec2816f840fed25d404674 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9f1b0e OCaml 5.2.0 for Fedora 41