$ git clone -n https://gitee.com/opencloudos-stream/gnome-panel.git /var/lib/mock/dist-oc9-epol-build-83413-57171/root/chroot_tmpdir/scmroot/gnome-panel
Cloning into '/var/lib/mock/dist-oc9-epol-build-83413-57171/root/chroot_tmpdir/scmroot/gnome-panel'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/gnome-panel
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0dbb04a package init