$ git clone -n https://gitee.com/wency_cn/unbound.git /var/lib/mock/dist-an23-build-493852-74562/root/chroot_tmpdir/scmroot/unbound
Cloning into '/var/lib/mock/dist-an23-build-493852-74562/root/chroot_tmpdir/scmroot/unbound'...
$ git fetch origin a17092f6fa65744f4db8f66df8a78d993f08d157:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/unbound
 * [new ref]         a17092f6fa65744f4db8f66df8a78d993f08d157 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a17092f Update code from upstream