#3299 - Add URI redirect for missing translations

modules/web/templates/site.conf.erb

 root /var/www/<%= @vhost %>;
 index index;
 default_type text/html;
 charset utf-8;
 
 set $index_page "index";
 
 <% if @custom_config %>
   <%= @custom_config %>
 <% end %>
@@ skipping 36 matching lines @@
     rewrite ^(.*) /en$1 last;
   }
 
   # Redirect server/language root
 
   rewrite ^/$ /$index_page last;
   rewrite ^/(\w\w(_\w\w)?)$ /$1/ permanent;
   rewrite ^/(\w\w(_\w\w)?)/$ /$1/$index_page last;
 }
 
+# http://hub.eyeo.com/issues/3299 Redirect missing translations to default
+location ~ ^/([a-z][a-z])(/.+) {
+  if (!-e "$document_root$uri")
+  {
+    rewrite ^/([a-z][a-z])(/.+) $2 redirect;
+  }
+}
+
+# http://hub.eyeo.com/issues/3299 Redirect missing translations to default
+location ~ ^/([a-z][a-z]\_[A-Z][A-Z])(/.+) {

[f.nicolaisen, 2017/09/06 23:00:19]

It would be cool if we could join both these locations into a single one, or
perhaps treat it under the / location above. Will look into that tomorrow.

+  if (!-e "$document_root$uri")
+  {
+    rewrite ^/([a-z][a-z]\_[A-Z][A-Z])(/.+)  $2 redirect;

[f.nicolaisen, 2017/09/06 23:00:19]

Lots of duplication here :(

+  }
+}
+
 <% if @multiplexer_locations %>
   <% @multiplexer_locations.each do |location| %>
   location <%= location %>
   {
     fastcgi_pass unix:/tmp/multiplexer-fastcgi.sock;
     include /etc/nginx/fastcgi_params;
   }
   <% end %>
 <% end %>