Steev is stupid, and his last patch was b0rked.

Marylou Kunkle · Marylou Kunkle · commit f01d4b549ea6 · 2010-07-17T18:10:33.000-04:00
The routes for css files was taking the whole filename, not just the name of the file itself. This caused breakage. Now it's fixed.
diff --git a/hackety.rb b/hackety.rb
@@ -34,9 +34,11 @@
 
 #this will be used to make sass work
 Dir.glob("#{File.expand_path(File.dirname(__FILE__))}/views/stylesheets/*.sass").each do |sheet|
-	get "/stylesheets/#{sheet}.css" do
+	sheet =~ /\/([^\/]*).sass/
+	sheet_name = $1
+	get "/stylesheets/#{sheet_name}.css" do
 		content_type 'text/css', :charset => 'utf-8'
-		sass :"stylesheets/#{sheet}"
+		sass :"stylesheets/#{sheet_name}"
 	end
 end
 
