project.rb in polymer-1.0.0.beta.7

- old
+ new

@@ -21,11 +21,11 @@
     #
     # @return [Pathname]
     #
     attr_reader :root
 
-    # @return [Pathname, false]
+    # @return [Pathname]
     #   The path to the Sass mixin file.
     # @return [false]
     #   False if Sass has been disabled.
     #
     attr_reader :sass
@@ -84,9 +84,13 @@
       @sprites   = sprites
 
       @sass      = extract_path :sass,  options
       @css       = extract_path :css,   options
       @cachefile = extract_path :cache, options
+
+      if @sass and @sass.to_s[-5..-1] != '.sass'
+        @sass = @sass + '_polymer.sass'
+      end
 
       # Sprites which are to be saved as a data URI need to have a save
       # path explicitly set.
       @data_uri_sprites = @sprites.select do |sprite|
         if sprite.save_path == :data_uri