$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-expect.git /var/lib/mock/f40-build-2254857-54235/root/chroot_tmpdir/scmroot/ocaml-ppx-expect
Cloning into '/var/lib/mock/f40-build-2254857-54235/root/chroot_tmpdir/scmroot/ocaml-ppx-expect'...
$ git fetch origin 6c268b28f84dee0636cb57955c3d2facb4e50a44:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-expect
 * [new ref]         6c268b28f84dee0636cb57955c3d2facb4e50a44 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c268b2 OCaml 5.1.1 + s390x code gen fix for Fedora 40