$ git clone -n https://gitee.com/src-opencloudos-rpms/matchbox-window-manager.git /var/lib/mock/dist-oc9-build-70741-47466/root/chroot_tmpdir/scmroot/matchbox-window-manager
Cloning into '/var/lib/mock/dist-oc9-build-70741-47466/root/chroot_tmpdir/scmroot/matchbox-window-manager'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/matchbox-window-manager
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7a1e7f8 import matchbox-window-manager-1.2-3.tl4