lib/sprite/builder.rb in sprite-0.1.6 vs lib/sprite/builder.rb in sprite-0.1.7

@@ -28,10 +28,13 @@
       set_config_defaults
       
       @images = images || []
       set_image_defaults
       expand_image_paths
+
+      # initialize datestamp
+      @datestamp_query = "?#{Time.now.to_i}" if @config["add_datestamps"]
       
       # initialize sprite files
       @sprite_files = {}
     end
   
@@ -84,11 +87,11 @@
       path = image_output_path(name, format)
       FileUtils.mkdir_p(File.dirname(path))
       
       # write sprite image file to disk
       dest_image.write(path)
-      @sprite_files["#{name}.#{format}"] = results
+      @sprite_files["#{name}.#{format}#{@datestamp_query}"] = results
     end
     
     def write_styles
       style = Styles.get(config["style"]).new(self)
       
@@ -109,9 +112,13 @@
       @config['public_path']        ||= 'public/'
       @config['default_format']     ||= 'png'
       @config['class_separator']    ||= '-'
       @config["sprites_class"]      ||= 'sprites'
       @config["default_spacing"]    ||= 0
+      
+      unless @config.has_key?("add_datestamps")
+        @config["add_datestamps"] = true
+      end
     end
     
     # if no image configs are detected, set some intelligent defaults
     def set_image_defaults
       return unless @images.size == 0
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