$ git clone -n https://gitee.com/lizhao2025/diffstat.git /var/lib/mock/dist-an23-build-499558-74764/root/chroot_tmpdir/scmroot/diffstat
Cloning into '/var/lib/mock/dist-an23-build-499558-74764/root/chroot_tmpdir/scmroot/diffstat'...
$ git fetch origin b16ccdcde984e2681085804fd55f3be043b063ba:KOJI_FETCH_HEAD
From https://gitee.com/lizhao2025/diffstat
 * [new ref]         b16ccdcde984e2681085804fd55f3be043b063ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b16ccdc Update code from upstream