Help #68 with (hopefully) more error output

lua/taglinks/tagutils.lua

@@ -112,9 +112,14 @@ M.do_find_all_tags = function(opts)
             args = args,
             enable_recording = true,
             on_exit = function(j, return_val)
+                if return_val == 0 then
                     for _, line in pairs(j:result()) do
                         parse_entry(opts, line, ret)
                     end
+                else
+                    print("rg return value: " .. tostring(return_val))
+                    print("stderr: ", vim.inspect(j:stderr_result()))
+                end
             end,
             on_stderr = function(err, data, _)
                 print("error: " .. tostring(err) .. "data: " .. data)