tpope/vim-dispatch — pull request #100 by sofaking (2014-11-12 19:44:11+00:00)
Title: Add an option to always open quickfix after completion

But I'm not sure if this is a bug actually, since https://github.com/tpope/vim-dispatch/commit/b0ce64720d11f11239e48efe01a101b93f5bfa70
Probably we need just`call s:cgetfile(request, 0, 1)`here.