$ git clone -n https://gitee.com/src-opencloudos-rpms/gnome-system-monitor.git /var/lib/mock/dist-oc9-build-46287-14592/root/chroot_tmpdir/scmroot/gnome-system-monitor
Cloning into '/var/lib/mock/dist-oc9-build-46287-14592/root/chroot_tmpdir/scmroot/gnome-system-monitor'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gnome-system-monitor
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cd97bad import gnome-system-monitor-42.0-3.tl4