$ git clone -n https://gitee.com/opencloudos-stream/weston.git /var/lib/mock/dist-oc9-epol-build-66384-16665/root/chroot_tmpdir/scmroot/weston
Cloning into '/var/lib/mock/dist-oc9-epol-build-66384-16665/root/chroot_tmpdir/scmroot/weston'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/weston
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 03184e6 !1 Init Merge pull request !1 from chairou/master