Add support for Sass and SCSS.

jekyll.gemspec

@@ -53,6 +53,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency('jekyll_test_plugin')
   s.add_development_dependency('jekyll_test_plugin_malicious')
   s.add_development_dependency('rouge', '~> 1.3')
+  s.add_development_dependency('sass', '~> 3.2')
 
   # = MANIFEST =
   s.files = %w[

lib/jekyll.rb

@@ -27,6 +27,7 @@ require 'liquid'
 require 'maruku'
 require 'colorator'
 require 'toml'
+require 'sass'
 
 # internal requires
 require 'jekyll/core_ext'

lib/jekyll/converters/sass.rb

@@ -0,0 +1,18 @@
+module Jekyll
+  class Sass < Converter
+    safe true
+    priority :low
+
+    def matches(ext)
+      ext =~ /^\.sass$/i
+    end
+
+    def output_ext(ext)
+      ".css"
+    end
+
+    def convert(content)
+      Sass.compile(content, :syntax => :sass)
+    end
+  end
+end

lib/jekyll/converters/scss.rb

@@ -0,0 +1,18 @@
+module Jekyll
+  class Sass < Converter
+    safe true
+    priority :low
+
+    def matches(ext)
+      ext =~ /^\.sass$/i
+    end
+
+    def output_ext(ext)
+      ".css"
+    end
+
+    def convert(content)
+      Sass.compile(content, :syntax => :scss)
+    end
+  end
+end