$ git clone -n https://gitee.com/opencloudos-stream/kwin.git /var/lib/mock/dist-oc9-epol-build-68441-46987/root/chroot_tmpdir/scmroot/kwin
Cloning into '/var/lib/mock/dist-oc9-epol-build-68441-46987/root/chroot_tmpdir/scmroot/kwin'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/kwin
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7506e8b !1 kwin Init Merge pull request !1 from chairou/master