$ git clone -n https://src.fedoraproject.org/rpms/ocaml-yojson.git /var/lib/mock/f40-build-784313-133348/root/chroot_tmpdir/scmroot/ocaml-yojson
Cloning into '/var/lib/mock/f40-build-784313-133348/root/chroot_tmpdir/scmroot/ocaml-yojson'...
$ git fetch origin 32f2a1a9508e90a67ca4a69f0fa460012f5e3962:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-yojson
 * [new ref]         32f2a1a9508e90a67ca4a69f0fa460012f5e3962 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 32f2a1a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild