$ git clone -n https://gitee.com/wency_cn/unbound_1772016330.git /var/lib/mock/dist-an23-build-514891-75118/root/chroot_tmpdir/scmroot/unbound_1772016330
Cloning into '/var/lib/mock/dist-an23-build-514891-75118/root/chroot_tmpdir/scmroot/unbound_1772016330'...
$ git fetch origin e02c366c90a26030965ae5cf228494ed9312db9b:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/unbound_1772016330
 * [new ref]         e02c366c90a26030965ae5cf228494ed9312db9b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e02c366 Update code from upstream