$ git clone -n https://gitee.com/opencloudos-stream/nsight-systems.git /var/lib/mock/dist-oc9-epol-build-229617-81373/root/chroot_tmpdir/scmroot/nsight-systems
Cloning into '/var/lib/mock/dist-oc9-epol-build-229617-81373/root/chroot_tmpdir/scmroot/nsight-systems'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/nsight-systems
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d372d1f !1 update nsight-systems Merge pull request !1 from yugozhang/master