$ git clone -n https://gitee.com/wency_cn/unbound_1767162111.git /var/lib/mock/dist-an23-build-502852-74825/root/chroot_tmpdir/scmroot/unbound_1767162111
Cloning into '/var/lib/mock/dist-an23-build-502852-74825/root/chroot_tmpdir/scmroot/unbound_1767162111'...
$ git fetch origin 31fdb81867b456bb3ff8829d45efff7f64896f31:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/unbound_1767162111
 * [new ref]         31fdb81867b456bb3ff8829d45efff7f64896f31 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31fdb81 Update code from upstream