Rearranged stuff and added a gem build/deploy process. Official release of 2.1.0.

.gitignore

 *.swp
 tmp
+s3.yml

Rakefile

@@ -3,6 +3,9 @@ require 'rake/testtask'
 require 'rake/rdoctask'
 require 'rake/gempackagetask'
 
+$LOAD_PATH << File.join(File.dirname(__FILE__), 'lib')
+require 'paperclip'
+
 desc 'Default: run unit tests.'
 task :default => [:clean, :test]
 
@@ -44,7 +47,7 @@ end
 
 spec = Gem::Specification.new do |s| 
   s.name              = "paperclip"
-  s.version           = "2.1.0"
+  s.version           = Paperclip::VERSION
   s.author            = "Jon Yurek"
   s.email             = "jyurek@thoughtbot.com"
   s.homepage          = "http://www.thoughtbot.com/"
@@ -67,3 +70,15 @@ end
 Rake::GemPackageTask.new(spec) do |pkg| 
   pkg.need_tar = true 
 end 
+
+desc "Release new version"
+task :release => [:test, :sync_docs, :gem] do
+  require 'rubygems'
+  require 'rubyforge'
+  r = RubyForge.new
+  r.login
+  r.add_release spec.rubyforge_project,
+                spec.name,
+                spec.version,
+                File.join("pkg", "#{spec.name}-#{spec.version}.gem")
+end

init.rb

 require File.join(File.dirname(__FILE__), "lib", "paperclip")
-ActiveRecord::Base.extend( Paperclip::ClassMethods )
-File.send :include, Paperclip::Upfile
\ No newline at end of file

lib/paperclip.rb

@@ -35,6 +35,9 @@ require 'paperclip/attachment'
 
 # The base module that gets included in ActiveRecord::Base.
 module Paperclip
+
+  VERSION = "2.1.0"
+
   class << self
     # Provides configurability to Paperclip. There are a number of options available, such as:
     # * whiny_thumbnails: Will raise an error if Paperclip cannot process thumbnails of 
@@ -198,3 +201,9 @@ module Paperclip
   end
 
 end
+
+# Set it all up.
+if Object.const_defined?("ActiveRecord")
+  ActiveRecord::Base.send(:include, Paperclip)
+  File.send(:include, Paperclip::Upfile)
+end

test/test_attachment.rb

@@ -81,6 +81,7 @@ class AttachmentTest < Test::Unit::TestCase
       Paperclip::Attachment.default_options.merge!({
         :path => ":rails_root/tmp/:attachment/:class/:style/:id/:basename.:extension"
       })
+      FileUtils.rm_rf("tmp")
       @instance = stub
       @instance.stubs(:id).returns(41)
       @instance.stubs(:class).returns(Dummy)
@@ -172,6 +173,23 @@ class AttachmentTest < Test::Unit::TestCase
           should "still have its #file attribute not be nil" do
             assert ! @attachment.file.nil?
           end
+
+          context "and deleted" do
+            setup do
+              @existing_names = @attachment.styles.keys.collect do |style|
+                @attachment.path(style)
+              end
+              @instance.expects(:[]=).with(:test_file_name, nil)
+              @instance.expects(:[]=).with(:test_content_type, nil)
+              @instance.expects(:[]=).with(:test_file_size, nil)
+              @attachment.assign nil
+              @attachment.save
+            end
+
+            should "delete the files" do
+              @existing_names.each{|f| assert ! File.exists?(f) }
+            end
+          end
         end
       end
     end