$ git clone -n https://gitee.com/opencloudos-stream/edk2.git /var/lib/mock/dist-ocs23-build-178735-11400/root/chroot_tmpdir/scmroot/edk2
Cloning into '/var/lib/mock/dist-ocs23-build-178735-11400/root/chroot_tmpdir/scmroot/edk2'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/edk2
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1219ba !9 为龙架构创建虚拟机镜像 Merge pull request !9 from Wu Xiaotian/master