new_record stuff to track if something has been persisted to aws

lib/fog/aws/models/s3/bucket.rb

@@ -16,7 +16,9 @@ module Fog
         end
 
         def delete
+          return false if new_record?
           connection.delete_bucket(name)
+          @new_record = true
           true
         end
 
@@ -45,6 +47,7 @@ module Fog
             options['LocationConstraint'] = @location
           end
           connection.put_bucket(name, options)
+          @new_record = false
           true
         end
 

lib/fog/model.rb

@@ -25,6 +25,10 @@ module Fog
       @connection
     end
 
+    def new_record?
+      !defined?(@new_record) || @new_record
+    end
+
     def remap_attributes(attributes, mapping)
       for key, value in mapping
         if attributes[key]