$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-fields-conv.git /var/lib/mock/f39-build-1897339-42815/root/chroot_tmpdir/scmroot/ocaml-ppx-fields-conv
Cloning into '/var/lib/mock/f39-build-1897339-42815/root/chroot_tmpdir/scmroot/ocaml-ppx-fields-conv'...
$ git fetch origin 5b3e1bfa3feb8e4b9b280e342bfa73e62a13607b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-fields-conv
 * [new ref]         5b3e1bfa3feb8e4b9b280e342bfa73e62a13607b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5b3e1bf Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild