$ git clone -n https://gitee.com/opencloudos-stream/grep.git /var/lib/mock/dist-ocs23-build-24444-1191/root/chroot_tmpdir/scmroot/grep
Cloning into '/var/lib/mock/dist-ocs23-build-24444-1191/root/chroot_tmpdir/scmroot/grep'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/grep
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d35fc45 !1 update to 3.11 Merge pull request !1 from abushwang/master