$ git clone -n https://gitee.com/opencloudos-stream/nettrace.git /var/lib/mock/dist-oc9-epol-build-197576-80411/root/chroot_tmpdir/scmroot/nettrace
Cloning into '/var/lib/mock/dist-oc9-epol-build-197576-80411/root/chroot_tmpdir/scmroot/nettrace'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/nettrace
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f857baf !3 fix loongarch build err Merge pull request !3 from liujie/master