$ git clone -n https://gitee.com/wency_cn/unbound_1768547374.git /var/lib/mock/dist-an23-build-507613-74937/root/chroot_tmpdir/scmroot/unbound_1768547374
Cloning into '/var/lib/mock/dist-an23-build-507613-74937/root/chroot_tmpdir/scmroot/unbound_1768547374'...
$ git fetch origin 5ffe83427bd792d609c0334c7f8f2bbc68cb8397:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/unbound_1768547374
 * [new ref]         5ffe83427bd792d609c0334c7f8f2bbc68cb8397 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ffe834 Update code from upstream