loader.rb in rake-funnel-0.0.2.pre

- old
+ new

@@ -15,18 +15,24 @@
         config.fetch(:config_files, []).each do |file|
           log("#{operation} #{file}")
           operation = 'Merging'
 
           yaml = File.read(file)
-          yaml = ERB.new(yaml).result
+          yaml = evaluate_erb(yaml, file)
           yaml = YAML.load(yaml) || {}
           store.configure_from_hash(yaml)
         end
 
         store.lock!
 
         log('')
         log(store.inspect)
+      end
+
+      def evaluate_erb(yaml, filename)
+        render = ERB.new(yaml)
+        render.filename = filename
+        render.result
       end
 
       private
       def log(message)
         Rake.rake_output_message(message)