$ git clone -n https://gitee.com/opencloudos-stream/ungoogled-chromium.git /var/lib/mock/dist-oc9-epol-build-236387-82272/root/chroot_tmpdir/scmroot/ungoogled-chromium
Cloning into '/var/lib/mock/dist-oc9-epol-build-236387-82272/root/chroot_tmpdir/scmroot/ungoogled-chromium'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ungoogled-chromium
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 08bdfbd !2 Update to ungoogled-chromium 146.0.7680.80 Merge pull request !2 from brucezhang/master