$ git clone -n https://gitee.com/wency_cn/unbound.git /var/lib/mock/dist-an23-build-503606-74854/root/chroot_tmpdir/scmroot/unbound
Cloning into '/var/lib/mock/dist-an23-build-503606-74854/root/chroot_tmpdir/scmroot/unbound'...
$ git fetch origin 61f4cdbd6795b6d9813bc9a69c008e9255e840a2:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/unbound
 * [new ref]         61f4cdbd6795b6d9813bc9a69c008e9255e840a2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61f4cdb Update code from upstream