$ git clone -n https://src.fedoraproject.org/rpms/ocaml-re.git /var/lib/mock/f40-build-784024-133246/root/chroot_tmpdir/scmroot/ocaml-re
Cloning into '/var/lib/mock/f40-build-784024-133246/root/chroot_tmpdir/scmroot/ocaml-re'...
$ git fetch origin 988df6f50b08d1e66e390ff054d92e9bedd0a96d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-re
 * [new ref]         988df6f50b08d1e66e390ff054d92e9bedd0a96d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 988df6f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild