$ git clone -n https://gitee.com/opencloudos-stream/xfce4-datetime-plugin.git /var/lib/mock/dist-ocs23-epol9-build-229427-17869/root/chroot_tmpdir/scmroot/xfce4-datetime-plugin
Cloning into '/var/lib/mock/dist-ocs23-epol9-build-229427-17869/root/chroot_tmpdir/scmroot/xfce4-datetime-plugin'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/xfce4-datetime-plugin
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 488eb8e update