Only prepend locales to paths when there's more than one locale to choose from.

Replaces core "locale" filter with customised one.  Fixes #82

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/routing_filters.rb b/lib/routing_filters.rb
new file mode 100644
index 000000000..cdb58e7c1
--- /dev/null
+++ b/lib/routing_filters.rb
@@ -0,0 +1,9 @@
+module RoutingFilter
+  class Conditionallyprependlocale < RoutingFilter::Locale
+      # Override core Locale filter not to prepend locale path segment
+      # when there's only one locale
+      def prepend_locale?(locale)
+        locale && I18n.available_locales.length > 1 && (self.class.include_default_locale? || !default_locale?(locale))
+      end
+  end
+end