$ git clone -n https://src.fedoraproject.org/rpms/ocaml-camlp5-buildscripts.git /var/lib/mock/f42-build-865915-173583/root/chroot_tmpdir/scmroot/ocaml-camlp5-buildscripts
Cloning into '/var/lib/mock/f42-build-865915-173583/root/chroot_tmpdir/scmroot/ocaml-camlp5-buildscripts'...
$ git fetch origin 3461866b7b02d1ba355c1fd8ba9ab4c0082f07cf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-camlp5-buildscripts
 * [new ref]         3461866b7b02d1ba355c1fd8ba9ab4c0082f07cf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3461866 OCaml 5.3.0 rebuild for Fedora 42