$ git clone -n https://gitee.com/wenyuzifang/velocity.git /var/lib/mock/dist-an23-build-447783-73363/root/chroot_tmpdir/scmroot/velocity
Cloning into '/var/lib/mock/dist-an23-build-447783-73363/root/chroot_tmpdir/scmroot/velocity'...
$ git fetch origin 708f616728caf1506da4ff9dd57de20b5d48c4f1:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/velocity
 * [new ref]         708f616728caf1506da4ff9dd57de20b5d48c4f1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 708f616 Update code from upstream