$ git clone -n https://gitee.com/opencloudos-stream/c2esp.git /var/lib/mock/dist-ocs23-build-41876-2059/root/chroot_tmpdir/scmroot/c2esp
Cloning into '/var/lib/mock/dist-ocs23-build-41876-2059/root/chroot_tmpdir/scmroot/c2esp'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/c2esp
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7570e56 update