$ git clone -n https://src.fedoraproject.org/rpms/ocaml-lablgtk.git /var/lib/mock/f38-build-side-42-init-devel-752964-27663/root/chroot_tmpdir/scmroot/ocaml-lablgtk
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-752964-27663/root/chroot_tmpdir/scmroot/ocaml-lablgtk'...
$ git fetch origin 37e9e03b0c3ce745d885d6e20b1ed49bd70af7be:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-lablgtk
 * [new ref]         37e9e03b0c3ce745d885d6e20b1ed49bd70af7be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37e9e03 Rebuild OCaml packages for F38