$ git clone -n https://gitee.com/opencloudos-stream/rpm.git /var/lib/mock/dist-ocs23-build-13206-872/root/chroot_tmpdir/scmroot/rpm
Cloning into '/var/lib/mock/dist-ocs23-build-13206-872/root/chroot_tmpdir/scmroot/rpm'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rpm
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31e7868 !1 update to 4.18.1 Merge pull request !1 from rockerzhu/master