$ git clone -n https://gitee.com/opencloudos-stream/mock.git /var/lib/mock/dist-ocs23-build-64159-2850/root/chroot_tmpdir/scmroot/mock
Cloning into '/var/lib/mock/dist-ocs23-build-64159-2850/root/chroot_tmpdir/scmroot/mock'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/mock
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 65a10c7 Rebuilt for OpenCloudOS Stream 23.09