$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-expect.git /var/lib/mock/f42-build-865978-173613/root/chroot_tmpdir/scmroot/ocaml-ppx-expect
Cloning into '/var/lib/mock/f42-build-865978-173613/root/chroot_tmpdir/scmroot/ocaml-ppx-expect'...
$ git fetch origin bb0bf4cc8d40e9480485c468c5587eb51ba0f210:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-expect
 * [new ref]         bb0bf4cc8d40e9480485c468c5587eb51ba0f210 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb0bf4c OCaml 5.3.0 rebuild for Fedora 42