Do not add current model to the class_with_attachment list if it's al…

…ready there Thank you @Bonias for reporting in Closes #590
thoughtbot · Sep 23, 2011 · d18d814 · d18d814 · evgeniy123 · Oct 1, 2011
1 parent fd891e0
commit d18d814
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/paperclip.rb b/lib/paperclip.rb
@@ -289,7 +289,7 @@ def has_attached_file name, options = {}
       end
 
       attachment_definitions[name] = {:validations => []}.merge(options)
-      Paperclip.classes_with_attachments << self
+      Paperclip.classes_with_attachments << self unless Paperclip.classes_with_attachments.include?(self)
 
       after_save :save_attached_files
       before_destroy :prepare_for_destroy