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 97ab5abfc397036304e6e3f73311f80dea2ffa84..9c6ea3b33beb9009680f75a1338d6b6724760170 100644 (file)
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -423,6 +423,7 @@ class ApplicationController < ActionController::Base
   end
 
   def map_layout
   end
 
   def map_layout

+    response.headers['Vary'] = 'X-Requested-With'

     request.xhr? ? false : 'map'
   end
 
     request.xhr? ? false : 'map'
   end