$ git clone -n https://src.fedoraproject.org/rpms/ocaml-xmlm.git /var/lib/mock/f39-build-2474205-61551/root/chroot_tmpdir/scmroot/ocaml-xmlm
Cloning into '/var/lib/mock/f39-build-2474205-61551/root/chroot_tmpdir/scmroot/ocaml-xmlm'...
$ git fetch origin 8793bdd909ac2cbfb54d2c57c40d5b8934a66dcb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-xmlm
 * [new ref]         8793bdd909ac2cbfb54d2c57c40d5b8934a66dcb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8793bdd Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild