$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-expect.git /var/lib/mock/f41-build-side-1-2812561-32942/root/chroot_tmpdir/scmroot/ocaml-ppx-expect
Cloning into '/var/lib/mock/f41-build-side-1-2812561-32942/root/chroot_tmpdir/scmroot/ocaml-ppx-expect'...
$ git fetch origin 151c8d55a182ea24224b373c122b7d5e642d061b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-expect
 * [new ref]         151c8d55a182ea24224b373c122b7d5e642d061b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 151c8d5 Rebuild for ocaml-ppxlib 0.33.0