[Sass] Make sassc options available to the Sass executable.

TODO

@@ -25,7 +25,6 @@
    CSS Terminology? (https://mail.google.com/mail/#label/Haml/1202d75234b3ce6b)
    Sass::Engine load_paths option should be set by executable
    Sassc
-     Make available to executable
      Add option to disable
      [2.4] Do all parsing in to_tree
        Never call Node#interpolate

lib/haml/exec.rb

@@ -189,6 +189,12 @@ END
         opts.on('-I', '--load-path PATH', 'Add a sass import path.') do |path|
           @options[:for_engine][:load_paths] << path
         end
+        opts.on('--cache-location', 'The path to put cached Sass files. Defaults to .sass-cache.') do |loc|
+          @options[:for_engine][:cache_location] = path
+        end
+        opts.on('-C', '--no-cache', "Don't cache to sassc files.") do
+          @options[:for_engine][:cache] = false
+        end
       end
 
       def process_result