$ git clone -n https://src.fedoraproject.org/rpms/ocaml-uunf.git /var/lib/mock/f40-build-784181-133259/root/chroot_tmpdir/scmroot/ocaml-uunf
Cloning into '/var/lib/mock/f40-build-784181-133259/root/chroot_tmpdir/scmroot/ocaml-uunf'...
$ git fetch origin 04becd2f48fe62a01eb2b657470ecc0bab243d8c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-uunf
 * [new ref]         04becd2f48fe62a01eb2b657470ecc0bab243d8c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 04becd2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild