$ git clone -n https://src.fedoraproject.org/rpms/ocaml-ppx-variants-conv.git /var/lib/mock/f39-build-1920126-42950/root/chroot_tmpdir/scmroot/ocaml-ppx-variants-conv
Cloning into '/var/lib/mock/f39-build-1920126-42950/root/chroot_tmpdir/scmroot/ocaml-ppx-variants-conv'...
$ git fetch origin 6242b61fb3527e340df2fd0a3ffad929cab65308:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-ppx-variants-conv
 * [new ref]         6242b61fb3527e340df2fd0a3ffad929cab65308 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6242b61 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild