$ git clone -n https://gitee.com/opencloudos-stream/diffstat.git /home/lib/mock/dist-ocs23-loongarch64-build-223158-16804/root/chroot_tmpdir/scmroot/diffstat
Cloning into '/home/lib/mock/dist-ocs23-loongarch64-build-223158-16804/root/chroot_tmpdir/scmroot/diffstat'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/diffstat
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50a11ed !1 【自动升级】diffstat 1.65 Merge pull request !1 from ocs-bot/master