$ git clone -n https://src.fedoraproject.org/rpms/ocaml-pyml.git /var/lib/mock/f40-build-739753-109242/root/chroot_tmpdir/scmroot/ocaml-pyml
Cloning into '/var/lib/mock/f40-build-739753-109242/root/chroot_tmpdir/scmroot/ocaml-pyml'...
$ git fetch origin fff10defafe1b23dd844a49e649333b7e2b3a40c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-pyml
 * [new ref]         fff10defafe1b23dd844a49e649333b7e2b3a40c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fff10de Version 20231101