$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-deriving-yojson.git /var/lib/mock/f40-build-2281547-55477/root/chroot_tmpdir/scmroot/ocaml-ppx-deriving-yojson
Cloning into '/var/lib/mock/f40-build-2281547-55477/root/chroot_tmpdir/scmroot/ocaml-ppx-deriving-yojson'...
$ git fetch origin 3d78e1f4d61deb69ca7bb6159978e61408b24c0a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-deriving-yojson
 * [new ref]         3d78e1f4d61deb69ca7bb6159978e61408b24c0a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d78e1f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild