From: John Firebaugh <john.firebaugh@gmail.com>
Date: Wed, 6 Nov 2013 21:16:01 +0000 (-0800)
Subject: Send appropriate Vary header
X-Git-Tag: live~5173^2~170
X-Git-Url: https://git.openstreetmap.org./rails.git/commitdiff_plain/261862a8dd3e5f84773d922b19a8c60dc3e1b3b0?ds=sidebyside

Send appropriate Vary header

Fixes an issue where the XHR response was sometimes
displayed when navigating back to a pushState
based history entry rather than the full page.
---

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 97ab5abfc..9c6ea3b33 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -423,6 +423,7 @@ class ApplicationController < ActionController::Base
   end
 
   def map_layout
+    response.headers['Vary'] = 'X-Requested-With'
     request.xhr? ? false : 'map'
   end