$ git clone -n https://gitee.com/wency_cn/sscg.git /var/lib/mock/dist-an23-build-507620-74937/root/chroot_tmpdir/scmroot/sscg
Cloning into '/var/lib/mock/dist-an23-build-507620-74937/root/chroot_tmpdir/scmroot/sscg'...
$ git fetch origin 6ce382d277e557430ea203f030d42e1a625a17ed:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/sscg
 * [new ref]         6ce382d277e557430ea203f030d42e1a625a17ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ce382d Update code from upstream