$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-assert.git /var/lib/mock/f38-build-side-42-init-devel-723240-27298/root/chroot_tmpdir/scmroot/ocaml-ppx-assert
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-723240-27298/root/chroot_tmpdir/scmroot/ocaml-ppx-assert'...
$ git fetch origin 3555b2216b0c623900ddf3dae6cb567cf47796c5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-assert
 * [new ref]         3555b2216b0c623900ddf3dae6cb567cf47796c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3555b22 Rebuild OCaml packages for F38