$ git clone -n https://gitee.com/wency_cn/volume_key.git /var/lib/mock/dist-an23-build-502898-74825/root/chroot_tmpdir/scmroot/volume_key
Cloning into '/var/lib/mock/dist-an23-build-502898-74825/root/chroot_tmpdir/scmroot/volume_key'...
$ git fetch origin 02e9e0488ce5636f595573e6d1303405684234f8:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/volume_key
 * [new ref]         02e9e0488ce5636f595573e6d1303405684234f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 02e9e04 Update code from upstream