$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-compare.git /var/lib/mock/f42-build-865775-173493/root/chroot_tmpdir/scmroot/ocaml-ppx-compare
Cloning into '/var/lib/mock/f42-build-865775-173493/root/chroot_tmpdir/scmroot/ocaml-ppx-compare'...
$ git fetch origin ad3bca6e06988a8b689747744e467237bf292bbd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-compare
 * [new ref]         ad3bca6e06988a8b689747744e467237bf292bbd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad3bca6 OCaml 5.3.0 rebuild for Fedora 42