$ git clone -n https://gitee.com/src-opencloudos-rpms/ocaml-csexp.git /var/lib/mock/dist-oc9-build-63900-16463/root/chroot_tmpdir/scmroot/ocaml-csexp
Cloning into '/var/lib/mock/dist-oc9-build-63900-16463/root/chroot_tmpdir/scmroot/ocaml-csexp'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ocaml-csexp
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3a4e89 import ocaml-csexp-1.5.2-5.tl4