$ git clone -n https://gitee.com/opencloudos-stream/nvidia-545.git /var/lib/mock/dist-oc9-epol-build-229102-81280/root/chroot_tmpdir/scmroot/nvidia-545
Cloning into '/var/lib/mock/dist-oc9-epol-build-229102-81280/root/chroot_tmpdir/scmroot/nvidia-545'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/nvidia-545
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2046ab5 !1 update nvidia-545 Merge pull request !1 from yugozhang/master