$ git clone -n https://gitee.com/opencloudos-stream/ocaml-dune.git /home/lib/mock/dist-ocs23-loongarch64-build-192997-12945/root/chroot_tmpdir/scmroot/ocaml-dune
Cloning into '/home/lib/mock/dist-ocs23-loongarch64-build-192997-12945/root/chroot_tmpdir/scmroot/ocaml-dune'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ocaml-dune
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c226f2 !2 [IA69C7]:Rebuild for ocaml in opencloudos-stream Merge pull request !2 from ocs-bot/master