add content_for method

Rakefile

@@ -89,8 +89,7 @@ end
 
 def siteify_file(file, front_matter = {})
   abort "You seem to have misplaced your #{file} file. I can haz?" unless File.exists?(file)
-  contents = File.read(file)
-  title = contents.match(/\A# (.*)$/)[1]
+  title        = File.read(file).match(/\A# (.*)$/)[1]
   output_file  = file.sub(/\.markdown\z/, ".md").downcase
   slug         = File.basename(output_file, ".md")
   front_matter = front_matter.merge({
@@ -99,12 +98,20 @@ def siteify_file(file, front_matter = {})
     "permalink" => "/docs/#{slug}/",
     "note"      => "This file is autogenerated. Edit /#{file} instead."
   })
-  contents.gsub!(/\A# #{title}\n\n?/, "")
-  contents = converted_history(contents) if output_file == "history.md"
-  contents = "#{front_matter.to_yaml}---\n\n#{contents}"
+  contents = "#{front_matter.to_yaml}---\n\n#{content_for(file)}"
   File.write("site/_docs/#{output_file}", contents)
 end
 
+def content_for(file)
+  contents = File.read(file)
+  case file
+  when "HISTORY.markdown"
+    converted_history(contents)
+  else
+    contents.gsub!(/\A# .*\n\n?/, "")
+  end
+end
+
 #############################################################################
 #
 # Standard tasks