Allowed to refresh images of classes with namespaces.

README.md

@@ -18,6 +18,13 @@ more detailed options.
 
 The complete [RDoc](http://rdoc.info/gems/paperclip) is online.
 
+Changes in this repo
+------------
+
+Allowed to refresh images of classes with namespaces. For example:
+
+    rake paperclip:refresh CLASS='User::Asset'
+
 Requirements
 ------------
 

lib/tasks/paperclip.rake

@@ -4,8 +4,14 @@ def obtain_class
   class_name
 end
 
+def obtain_class_from_class_name(class_name)
+  class_name.split('::').inject(Object) do |klass, partial_class_name|
+    klass.const_get(partial_class_name)
+  end
+end
+
 def obtain_attachments(klass)
-  klass = Object.const_get(klass.to_s)
+  klass = obtain_class_from_class_name(klass.to_s)
   name = ENV['ATTACHMENT'] || ENV['attachment']
   raise "Class #{klass.name} has no attachments specified" unless klass.respond_to?(:attachment_definitions)
   if !name.blank? && klass.attachment_definitions.keys.include?(name)