$ git clone -n https://gitee.com/src-opencloudos-rpms/ocaml-calendar.git /var/lib/mock/dist-oc9-build-63581-16463/root/chroot_tmpdir/scmroot/ocaml-calendar
Cloning into '/var/lib/mock/dist-oc9-build-63581-16463/root/chroot_tmpdir/scmroot/ocaml-calendar'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ocaml-calendar
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 982ae8b import ocaml-calendar-3.0.0-2.tl4.1