$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-expect.git /var/lib/mock/f38-build-side-42-init-devel-759942-27692/root/chroot_tmpdir/scmroot/ocaml-ppx-expect
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-759942-27692/root/chroot_tmpdir/scmroot/ocaml-ppx-expect'...
$ git fetch origin 382b6370c2f1f4fd44f056b23e96e219117f360e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-expect
 * [new ref]         382b6370c2f1f4fd44f056b23e96e219117f360e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 382b637 Rebuild OCaml packages for F38