$ git clone -n https://src.fedoraproject.org/rpms/ocaml-expat.git /var/lib/mock/f40-build-2358316-60309/root/chroot_tmpdir/scmroot/ocaml-expat
Cloning into '/var/lib/mock/f40-build-2358316-60309/root/chroot_tmpdir/scmroot/ocaml-expat'...
$ git fetch origin a0845e78ec75d3e0f154cfdeadc3da3e7e4ddc5c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-expat
 * [new ref]         a0845e78ec75d3e0f154cfdeadc3da3e7e4ddc5c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a0845e7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild