Hi! I cleaned up your code for you!

.gitignore

@@ -0,0 +1,20 @@
+# Compiled source #
+###################
+*.com
+*.class
+*.dll
+*.exe
+*.o
+*.so
+*.pyc
+
+# Logs and databases #
+######################
+*.log
+
+# OS generated files #
+######################
+.DS_Store*
+ehthumbs.db
+Icon?
+Thumbs.db

datamapper.rb

@@ -15,7 +15,7 @@ def self.source_root
       protected
 
         # Datamapper does not care if migrations have the same name as long as
-        # they have different ids. 
+        # they have different ids.
         #
         def migration_exists?(dirname, file_name) #:nodoc:
           false

datamapper/migration/templates/migration.rb

@@ -1,4 +1,4 @@
-migration <%= migration_number.to_i %>, :<%= migration_file_name %> do 
+migration <%= migration_number.to_i %>, :<%= migration_file_name %> do
   up do
 <% unless attributes.empty? -%>
     modify_table :<%= table_name %> do

factory_girl/model/model_generator.rb

@@ -5,7 +5,7 @@ module Generators
     class ModelGenerator < Base
       argument :attributes, :type => :array, :default => [], :banner => "field:type field:type"
       class_option :dir, :type => :string, :default => "test/factories", :desc => "The directory where the factories should go"
-      
+
       def create_fixture_file
         template 'fixtures.rb', File.join(options[:dir], "#{table_name}.rb")
       end

haml/scaffold/scaffold_generator.rb

@@ -5,7 +5,7 @@ module Haml
   module Generators
     class ScaffoldGenerator < Erb::Generators::ScaffoldGenerator
       extend TemplatePath
-      
+
       def copy_layout_file
         return unless options[:layout]
         template "layout.haml.erb",

haml/scaffold/templates/layout.haml.erb

@@ -1,4 +1,4 @@
-!!! 
+!!!
 %html
   %head
     %title= "<%= controller_class_name %>:#{controller.action_name}"