nixpkgs/neovim: open quickfix window after Make

.config/nixpkgs/neovim/make.lua

@@ -30,6 +30,10 @@ function make(opts)
       efm = errorformat,
     })
     vim.api.nvim_exec_autocmds('QuickFixCmdPost', {})
+
+    if #result > 0 then
+      vim.cmd('copen')
+    end
   end
 
   Job:new({