$ git clone -n https://gitee.com/opencloudos-stream/ruby.git /var/lib/mock/dist-ocs23-build-34567-1647/root/chroot_tmpdir/scmroot/ruby
Cloning into '/var/lib/mock/dist-ocs23-build-34567-1647/root/chroot_tmpdir/scmroot/ruby'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ruby
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d9ddca8 !2 upgrade to 3.2.2 Merge pull request !2 from cunshunxia/master