$ git clone -n https://gitee.com/wency_cn/unbound_1768528657.git /var/lib/mock/dist-an23-build-507526-74928/root/chroot_tmpdir/scmroot/unbound_1768528657
Cloning into '/var/lib/mock/dist-an23-build-507526-74928/root/chroot_tmpdir/scmroot/unbound_1768528657'...
$ git fetch origin 51b9106b7caaca7b315ad52ea1658d50b8e56791:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/unbound_1768528657
 * [new ref]         51b9106b7caaca7b315ad52ea1658d50b8e56791 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 51b9106 Update code from upstream