$ git clone -n https://gitee.com/opencloudos-stream/ocaml-dune.git /var/lib/mock/dist-ocs23-build-67286-3553/root/chroot_tmpdir/scmroot/ocaml-dune
Cloning into '/var/lib/mock/dist-ocs23-build-67286-3553/root/chroot_tmpdir/scmroot/ocaml-dune'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ocaml-dune
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 657e811 Rebuilt for OpenCloudOS Stream 23.09