$ git clone -n https://gitee.com/newstart-gdlc/nde-backgrounds.git /var/lib/mock/dist-an23-nde-build-520022-75843/root/chroot_tmpdir/scmroot/nde-backgrounds
Cloning into '/var/lib/mock/dist-an23-nde-build-520022-75843/root/chroot_tmpdir/scmroot/nde-backgrounds'...
$ git fetch origin df383002f259ab83718de7a1e7f96da5eda2ab1c:KOJI_FETCH_HEAD
From https://gitee.com/newstart-gdlc/nde-backgrounds
 * [new ref]         df383002f259ab83718de7a1e7f96da5eda2ab1c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df38300 替换壁纸