$ git clone -n https://gitee.com/opencloudos-stream/tang.git /var/lib/mock/dist-ocs23-build-116227-8019/root/chroot_tmpdir/scmroot/tang
Cloning into '/var/lib/mock/dist-ocs23-build-116227-8019/root/chroot_tmpdir/scmroot/tang'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/tang
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4ec297 !2 【自动升级】tang 14 Merge pull request !2 from ocs-bot/master