$ git clone -n https://gitee.com/wency_cn/unbound_1765272761.git /var/lib/mock/dist-an23-build-493980-74562/root/chroot_tmpdir/scmroot/unbound_1765272761
Cloning into '/var/lib/mock/dist-an23-build-493980-74562/root/chroot_tmpdir/scmroot/unbound_1765272761'...
$ git fetch origin fef84bb6698adc6a4906a88a16e6381e30e93ef3:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/unbound_1765272761
 * [new ref]         fef84bb6698adc6a4906a88a16e6381e30e93ef3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fef84bb Update code from upstream