Rails 2.1.0

8 files changed, 917 insertions, 0 deletions

diff --git a/vendor/rails-2.1.0/railties/lib/rails/gem_builder.rb b/vendor/rails-2.1.0/railties/lib/rails/gem_builder.rb
new file mode 100644
index 000000000..e7e06d000
--- /dev/null
+++ b/vendor/rails-2.1.0/railties/lib/rails/gem_builder.rb
@@ -0,0 +1,21 @@
+require 'rubygems'
+require 'rubygems/installer'
+
+module Rails
+  
+  # this class hijacks the functionality of Gem::Installer by overloading its 
+  # initializer to only provide the information needed by 
+  # Gem::Installer#build_extensions (which happens to be what we have)
+  class GemBuilder < Gem::Installer
+
+    def initialize(spec, gem_dir)
+      @spec    = spec
+      @gem_dir = gem_dir
+    end
+    
+    # silence the underlying builder
+    def say(message)
+    end
+    
+  end
+end
\ No newline at end of file
diff --git a/vendor/rails-2.1.0/railties/lib/rails/gem_dependency.rb b/vendor/rails-2.1.0/railties/lib/rails/gem_dependency.rb
new file mode 100644
index 000000000..9f088a18d
--- /dev/null
+++ b/vendor/rails-2.1.0/railties/lib/rails/gem_dependency.rb
@@ -0,0 +1,124 @@
+module Rails
+  class GemDependency
+    attr_accessor :name, :requirement, :version, :lib, :source
+
+    def self.unpacked_path
+      @unpacked_path ||= File.join(RAILS_ROOT, 'vendor', 'gems')
+    end
+
+    def initialize(name, options = {})
+      require 'rubygems' unless Object.const_defined?(:Gem)
+
+      if options[:requirement]
+        @requirement = options[:requirement]
+      elsif options[:version]
+        @requirement = Gem::Requirement.create(options[:version])
+      end
+
+      @version  = @requirement.instance_variable_get("@requirements").first.last if @requirement
+      @name     = name.to_s
+      @lib      = options[:lib]
+      @source   = options[:source]
+      @loaded   = @frozen = @load_paths_added = false
+      @unpack_directory = nil
+    end
+
+    def add_load_paths
+      return if @loaded || @load_paths_added
+      unpacked_paths = Dir[File.join(self.class.unpacked_path, "#{@name}-#{@version || "*"}")]
+      if unpacked_paths.empty?
+        args = [@name]
+        args << @requirement.to_s if @requirement
+        gem *args
+      else
+        $LOAD_PATH.unshift File.join(unpacked_paths.first, 'lib')
+        ext = File.join(unpacked_paths.first, 'ext')
+        $LOAD_PATH.unshift(ext) if File.exist?(ext)
+        @frozen = true
+      end
+      @load_paths_added = true
+    rescue Gem::LoadError
+    end
+    
+    def dependencies
+      all_dependencies = specification.dependencies.map do |dependency|
+        GemDependency.new(dependency.name, :requirement => dependency.version_requirements)
+      end
+      all_dependencies += all_dependencies.map(&:dependencies).flatten
+      all_dependencies.uniq
+    end
+    
+    def gem_dir(base_directory)
+      File.join(base_directory, specification.full_name)
+    end
+
+    def load
+      return if @loaded || @load_paths_added == false
+      require(@lib || @name)
+      @loaded = true
+    rescue LoadError
+      puts $!.to_s
+      $!.backtrace.each { |b| puts b }
+    end
+
+    def frozen?
+      @frozen
+    end
+
+    def loaded?
+      @loaded
+    end
+
+    def load_paths_added?
+      @load_paths_added
+    end
+
+    def install
+      cmd = "#{gem_command} #{install_command.join(' ')}"
+      puts cmd
+      puts %x(#{cmd})
+    end
+    
+    def unpack_to(directory)
+      FileUtils.mkdir_p directory
+      Dir.chdir directory do
+        Gem::GemRunner.new.run(unpack_command)
+      end
+      
+      # copy the gem's specification into GEMDIR/.specification so that
+      # we can access information about the gem on deployment systems
+      # without having the gem installed
+      spec_filename = File.join(gem_dir(directory), '.specification')
+      File.open(spec_filename, 'w') do |file|
+        file.puts specification.to_yaml
+      end
+    end
+
+    def ==(other)
+      self.name == other.name && self.requirement == other.requirement
+    end
+
+private ###################################################################
+
+    def specification
+      @spec ||= Gem.source_index.search(Gem::Dependency.new(@name, @requirement)).sort_by { |s| s.version }.last
+    end
+    
+    def gem_command
+      RUBY_PLATFORM =~ /win32/ ? 'gem.bat' : 'gem'
+    end
+
+    def install_command
+      cmd = %w(install) << @name
+      cmd << "--version" << %("#{@requirement.to_s}") if @requirement
+      cmd << "--source"  << @source  if @source
+      cmd
+    end
+    
+    def unpack_command
+      cmd = %w(unpack) << @name
+      cmd << "--version" << "#{@requirement.to_s}" if @requirement
+      cmd
+    end
+  end
+end
\ No newline at end of file
diff --git a/vendor/rails-2.1.0/railties/lib/rails/mongrel_server/commands.rb b/vendor/rails-2.1.0/railties/lib/rails/mongrel_server/commands.rb
new file mode 100644
index 000000000..0a92f418a
--- /dev/null
+++ b/vendor/rails-2.1.0/railties/lib/rails/mongrel_server/commands.rb
@@ -0,0 +1,342 @@
+# Copyright (c) 2005 Zed A. Shaw
+# You can redistribute it and/or modify it under the same terms as Ruby.
+#
+# Additional work donated by contributors.  See http://mongrel.rubyforge.org/attributions.html
+# for more information.
+
+require 'optparse'
+require 'yaml'
+require 'etc'
+
+require 'mongrel'
+require 'rails/mongrel_server/handler'
+
+module Rails
+  module MongrelServer
+    def self.send_signal(signal, pid_file)
+      pid = open(pid_file).read.to_i
+      print "Sending #{signal} to Mongrel at PID #{pid}..."
+      begin
+        Process.kill(signal, pid)
+      rescue Errno::ESRCH
+        puts "Process does not exist.  Not running."
+      end
+
+      puts "Done."
+    end
+
+    class RailsConfigurator < Mongrel::Configurator
+      def setup_mime_types
+        mime = {}
+
+        if defaults[:mime_map]
+          Mongrel.log("Loading additional MIME types from #{defaults[:mime_map]}")
+          mime = load_mime_map(defaults[:mime_map], mime)
+        end
+
+        mime.each {|k,v| Mongrel::DirHandler::add_mime_type(k,v) }
+      end
+
+      def mount_rails(prefix)
+        ENV['RAILS_ENV'] = defaults[:environment]
+        ::RAILS_ENV.replace(defaults[:environment]) if defined?(::RAILS_ENV)
+
+        env_location = "#{defaults[:cwd]}/config/environment"
+        require env_location
+
+        ActionController::AbstractRequest.relative_url_root = defaults[:prefix]
+        uri prefix, :handler => Rails::MongrelServer::RailsHandler.new
+      end
+    end
+
+    class Start < GemPlugin::Plugin "/commands"
+      include Mongrel::Command::Base
+
+      def configure
+        options [
+          ["-e", "--environment ENV", "Rails environment to run as", :@environment, ENV['RAILS_ENV'] || "development"],
+          ["-d", "--daemonize", "Run daemonized in the background", :@daemon, false],
+          ['-p', '--port PORT', "Which port to bind to", :@port, 3000],
+          ['-a', '--address ADDR', "Address to bind to", :@address, "0.0.0.0"],
+          ['-l', '--log FILE', "Where to write log messages", :@log_file, "log/mongrel.log"],
+          ['-P', '--pid FILE', "Where to write the PID", :@pid_file, "tmp/pids/mongrel.pid"],
+          ['-n', '--num-procs INT', "Number of processors active before clients denied", :@num_procs, 1024],
+          ['-o', '--timeout TIME', "Time to wait (in seconds) before killing a stalled thread", :@timeout, 60],
+          ['-t', '--throttle TIME', "Time to pause (in hundredths of a second) between accepting clients", :@throttle, 0],
+          ['-m', '--mime PATH', "A YAML file that lists additional MIME types", :@mime_map, nil],
+          ['-c', '--chdir PATH', "Change to dir before starting (will be expanded)", :@cwd, RAILS_ROOT],
+          ['-r', '--root PATH', "Set the document root (default 'public')", :@docroot, "public"],
+          ['-B', '--debug', "Enable debugging mode", :@debug, false],
+          ['-C', '--config PATH', "Use a config file", :@config_file, nil],
+          ['-S', '--script PATH', "Load the given file as an extra config script", :@config_script, nil],
+          ['-G', '--generate PATH', "Generate a config file for use with -C", :@generate, nil],
+          ['', '--user USER', "User to run as", :@user, nil],
+          ['', '--group GROUP', "Group to run as", :@group, nil],
+          ['', '--prefix PATH', "URL prefix for Rails app", :@prefix, nil],
+
+          ['-b', '--binding ADDR', "Address to bind to (deprecated, use -a)", :@address, "0.0.0.0"],
+          ['-u', '--debugger', "Enable debugging mode (deprecated, use -B)", :@debug, false]
+        ]
+      end
+
+      def validate
+        if @config_file
+          valid_exists?(@config_file, "Config file not there: #@config_file")
+          return false unless @valid
+          @config_file = File.expand_path(@config_file)
+          load_config
+          return false unless @valid
+        end
+
+        @cwd = File.expand_path(@cwd)
+        valid_dir? @cwd, "Invalid path to change to during daemon mode: #@cwd"
+
+        # Change there to start, then we'll have to come back after daemonize
+        Dir.chdir(@cwd)
+
+        valid?(@prefix[0] == ?/ && @prefix[-1] != ?/, "Prefix must begin with / and not end in /") if @prefix
+        valid_dir? File.dirname(@log_file), "Path to log file not valid: #@log_file"
+        valid_dir? File.dirname(@pid_file), "Path to pid file not valid: #@pid_file"
+        valid_dir? @docroot, "Path to docroot not valid: #@docroot"
+        valid_exists? @mime_map, "MIME mapping file does not exist: #@mime_map" if @mime_map
+        valid_exists? @config_file, "Config file not there: #@config_file" if @config_file
+        valid_dir? File.dirname(@generate), "Problem accessing directory to #@generate" if @generate
+        valid_user? @user if @user
+        valid_group? @group if @group
+
+        return @valid
+      end
+
+      def run
+        if @generate
+          @generate = File.expand_path(@generate)
+          Mongrel.log(:error, "** Writing config to \"#@generate\".")
+          open(@generate, "w") {|f| f.write(settings.to_yaml) }
+          Mongrel.log(:error, "** Finished.  Run \"mongrel_rails start -C #@generate\" to use the config file.")
+          exit 0
+        end
+
+        config = RailsConfigurator.new(settings) do
+          defaults[:log] = $stdout if defaults[:environment] == 'development'
+
+          Mongrel.log("=> Rails #{Rails.version} application starting on http://#{defaults[:host]}:#{defaults[:port]}")
+
+          unless defaults[:daemon]
+            Mongrel.log("=> Call with -d to detach")
+            Mongrel.log("=> Ctrl-C to shutdown server")
+            start_debugger if defaults[:debug]
+          end
+
+          if defaults[:daemon]
+            if File.exist? defaults[:pid_file]
+              Mongrel.log(:error, "!!! PID file #{defaults[:pid_file]} already exists.  Mongrel could be running already.  Check your #{defaults[:log_file]} for errors.")
+              Mongrel.log(:error, "!!! Exiting with error.  You must stop mongrel and clear the .pid before I'll attempt a start.")
+              exit 1
+            end
+
+            daemonize
+
+            Mongrel.log("Daemonized, any open files are closed.  Look at #{defaults[:pid_file]} and #{defaults[:log_file]} for info.")
+            Mongrel.log("Settings loaded from #{@config_file} (they override command line).") if @config_file
+          end
+
+          Mongrel.log("Starting Mongrel listening at #{defaults[:host]}:#{defaults[:port]}, further information can be found in log/mongrel-#{defaults[:host]}-#{defaults[:port]}.log")
+
+          listener do
+            prefix = defaults[:prefix] || '/'
+
+            if defaults[:debug]
+              Mongrel.log("Installing debugging prefixed filters. Look in log/mongrel_debug for the files.")
+              debug(prefix)
+            end
+
+            setup_mime_types
+            dir_handler = Mongrel::DirHandler.new(defaults[:docroot], false)
+            dir_handler.passthrough_missing_files = true
+
+            unless defaults[:environment] == 'production'
+              Mongrel.log("Mounting DirHandler at #{prefix}...")
+              uri prefix, :handler => dir_handler
+            end
+
+
+            Mongrel.log("Starting Rails with #{defaults[:environment]} environment...")
+            Mongrel.log("Mounting Rails at #{prefix}...")
+            mount_rails(prefix)
+            Mongrel.log("Rails loaded.")
+
+
+            Mongrel.log("Loading any Rails specific GemPlugins" )
+            load_plugins
+
+            if defaults[:config_script]
+              Mongrel.log("Loading #{defaults[:config_script]} external config script")
+              run_config(defaults[:config_script])
+            end
+
+            setup_signals
+          end
+        end
+
+        config.run
+        Mongrel.log("Mongrel #{Mongrel::Const::MONGREL_VERSION} available at #{@address}:#{@port}")
+
+        if config.defaults[:daemon]
+          config.write_pid_file
+        else
+          Mongrel.log("Use CTRL-C to stop.")
+          tail "log/#{config.defaults[:environment]}.log"
+        end
+
+        config.join
+
+        if config.needs_restart
+          unless RUBY_PLATFORM =~ /djgpp|(cyg|ms|bcc)win|mingw/
+            cmd = "ruby #{__FILE__} start #{original_args.join(' ')}"
+            Mongrel.log("Restarting with arguments:  #{cmd}")
+            config.stop(false, true)
+            config.remove_pid_file
+
+            if config.defaults[:daemon]
+              system cmd
+            else
+              Mongrel.log(:error, "Can't restart unless in daemon mode.")
+              exit 1
+            end
+          else
+            Mongrel.log("Win32 does not support restarts. Exiting.")
+          end
+        end
+      end
+
+      def load_config
+        settings = {}
+        begin
+          settings = YAML.load_file(@config_file)
+        ensure
+          Mongrel.log(:error, "** Loading settings from #{@config_file} (they override command line).") unless @daemon || settings[:daemon]
+        end
+
+        settings[:includes] ||= ["mongrel"]
+
+        # Config file settings will override command line settings
+        settings.each do |key, value|
+          key = key.to_s
+          if config_keys.include?(key)
+            key = 'address' if key == 'host'
+            self.instance_variable_set("@#{key}", value)
+          else
+            failure "Unknown configuration setting: #{key}"
+            @valid = false
+          end
+        end
+      end
+
+      def config_keys
+        @config_keys ||=
+          %w(address host port cwd log_file pid_file environment docroot mime_map daemon debug includes config_script num_processors timeout throttle user group prefix)
+      end
+
+      def settings
+        config_keys.inject({}) do |hash, key|
+          value = self.instance_variable_get("@#{key}")
+          key = 'host' if key == 'address'
+          hash[key.to_sym] ||= value
+          hash
+        end
+      end
+
+      def start_debugger
+        require_library_or_gem 'ruby-debug'
+        Debugger.start
+        Debugger.settings[:autoeval] = true if Debugger.respond_to?(:settings)
+        Mongrel.log("=> Debugger enabled")
+      rescue Exception
+        Mongrel.log(:error, "You need to install ruby-debug to run the server in debugging mode. With gems, use 'gem install ruby-debug'")
+        exit
+      end
+
+      def tail(log_file)
+        cursor = File.size(log_file)
+        last_checked = Time.now
+        tail_thread = Thread.new do
+          File.open(log_file, 'r') do |f|
+            loop do
+              f.seek cursor
+              if f.mtime > last_checked
+                last_checked = f.mtime
+                contents = f.read
+                cursor += contents.length
+                print contents
+              end
+              sleep 1
+            end
+          end
+        end
+        tail_thread
+      end
+    end
+
+    class Stop < GemPlugin::Plugin "/commands"
+      include Mongrel::Command::Base
+
+      def configure
+        options [
+          ['-c', '--chdir PATH', "Change to dir before starting (will be expanded).", :@cwd, "."],
+          ['-f', '--force', "Force the shutdown (kill -9).", :@force, false],
+          ['-w', '--wait SECONDS', "Wait SECONDS before forcing shutdown", :@wait, "0"],
+          ['-P', '--pid FILE', "Where the PID file is located.", :@pid_file, "log/mongrel.pid"]
+        ]
+      end
+
+      def validate
+        @cwd = File.expand_path(@cwd)
+        valid_dir? @cwd, "Invalid path to change to during daemon mode: #@cwd"
+
+        Dir.chdir @cwd
+
+        valid_exists? @pid_file, "PID file #@pid_file does not exist.  Not running?"
+        return @valid
+      end
+
+      def run
+        if @force
+          @wait.to_i.times do |waiting|
+            exit(0) if not File.exist? @pid_file
+            sleep 1
+          end
+
+          Mongrel::send_signal("KILL", @pid_file) if File.exist? @pid_file
+        else
+          Mongrel::send_signal("TERM", @pid_file)
+        end
+      end
+    end
+
+
+    class Restart < GemPlugin::Plugin "/commands"
+      include Mongrel::Command::Base
+
+      def configure
+        options [
+          ['-c', '--chdir PATH', "Change to dir before starting (will be expanded)", :@cwd, '.'],
+          ['-P', '--pid FILE', "Where the PID file is located", :@pid_file, "log/mongrel.pid"]
+        ]
+      end
+
+      def validate
+        @cwd = File.expand_path(@cwd)
+        valid_dir? @cwd, "Invalid path to change to during daemon mode: #@cwd"
+
+        Dir.chdir @cwd
+
+        valid_exists? @pid_file, "PID file #@pid_file does not exist.  Not running?"
+        return @valid
+      end
+
+      def run
+        MongrelServer::send_signal("USR2", @pid_file)
+      end
+    end
+  end
+end
diff --git a/vendor/rails-2.1.0/railties/lib/rails/mongrel_server/handler.rb b/vendor/rails-2.1.0/railties/lib/rails/mongrel_server/handler.rb
new file mode 100644
index 000000000..a19eca725
--- /dev/null
+++ b/vendor/rails-2.1.0/railties/lib/rails/mongrel_server/handler.rb
@@ -0,0 +1,55 @@
+# Copyright (c) 2005 Zed A. Shaw
+# You can redistribute it and/or modify it under the same terms as Ruby.
+#
+# Additional work donated by contributors.  See http://mongrel.rubyforge.org/attributions.html
+# for more information.
+
+require 'mongrel'
+require 'cgi'
+require 'action_controller/dispatcher'
+
+
+module Rails
+  module MongrelServer
+    # Implements a handler that can run Rails and serve files out of the
+    # Rails application's public directory.  This lets you run your Rails
+    # application with Mongrel during development and testing, then use it
+    # also in production behind a server that's better at serving the
+    # static files.
+    #
+    # The RailsHandler takes a mime_map parameter which is a simple suffix=mimetype
+    # mapping that it should add to the list of valid mime types.
+    #
+    # It also supports page caching directly and will try to resolve a request
+    # in the following order:
+    #
+    # * If the requested exact PATH_INFO exists as a file then serve it.
+    # * If it exists at PATH_INFO+".html" exists then serve that.
+    # * Finally, construct a Mongrel::CGIWrapper and run Dispatcher.dispatch to have Rails go.
+    #
+    # This means that if you are using page caching it will actually work with Mongrel
+    # and you should see a decent speed boost (but not as fast as if you use a static
+    # server like Apache or Litespeed).
+    class RailsHandler < Mongrel::HttpHandler
+      # Construct a Mongrel::CGIWrapper and dispatch.
+      def process(request, response)
+        return if response.socket.closed?
+
+        cgi = Mongrel::CGIWrapper.new(request, response)
+        cgi.handler = self
+        # We don't want the output to be really final until we're out of the lock
+        cgi.default_really_final = false
+
+        ActionController::Dispatcher.dispatch(cgi, ActionController::CgiRequest::DEFAULT_SESSION_OPTIONS, response.body)
+
+        # This finalizes the output using the proper HttpResponse way
+        cgi.out("text/html",true) {""}
+      rescue Errno::EPIPE
+        response.socket.close
+      rescue Object => rails_error
+        STDERR.puts "#{Time.now.httpdate}: Error dispatching #{rails_error.inspect}"
+        STDERR.puts rails_error.backtrace.join("\n")
+      end
+    end
+  end
+end
diff --git a/vendor/rails-2.1.0/railties/lib/rails/plugin.rb b/vendor/rails-2.1.0/railties/lib/rails/plugin.rb
new file mode 100644
index 000000000..256f4b013
--- /dev/null
+++ b/vendor/rails-2.1.0/railties/lib/rails/plugin.rb
@@ -0,0 +1,115 @@
+module Rails
+  # The Plugin class should be an object which provides the following methods:
+  #
+  # * +name+       - Used during initialisation to order the plugin (based on name and
+  #                  the contents of <tt>config.plugins</tt>).
+  # * +valid?+     - Returns true if this plugin can be loaded.
+  # * +load_paths+ - Each path within the returned array will be added to the <tt>$LOAD_PATH</tt>.
+  # * +load+       - Finally 'load' the plugin.
+  #
+  # These methods are expected by the Rails::Plugin::Locator and Rails::Plugin::Loader classes.
+  # The default implementation returns the <tt>lib</tt> directory as its <tt>load_paths</tt>, 
+  # and evaluates <tt>init.rb</tt> when <tt>load</tt> is called.
+  #
+  # You can also inspect the about.yml data programmatically:
+  #
+  #   plugin = Rails::Plugin.new(path_to_my_plugin)
+  #   plugin.about["author"] # => "James Adam"
+  #   plugin.about["url"] # => "http://interblah.net"
+  class Plugin
+    include Comparable
+    
+    attr_reader :directory, :name
+    
+    def initialize(directory)
+      @directory = directory
+      @name      = File.basename(@directory) rescue nil
+      @loaded    = false
+    end
+    
+    def valid?
+      File.directory?(directory) && (has_lib_directory? || has_init_file?)
+    end
+  
+    # Returns a list of paths this plugin wishes to make available in <tt>$LOAD_PATH</tt>.
+    def load_paths
+      report_nonexistant_or_empty_plugin! unless valid?
+      has_lib_directory? ? [lib_path] : []
+    end
+
+    # Evaluates a plugin's init.rb file.
+    def load(initializer)
+      return if loaded?
+      report_nonexistant_or_empty_plugin! unless valid?
+      evaluate_init_rb(initializer)
+      @loaded = true
+    end
+    
+    def loaded?
+      @loaded
+    end
+    
+    def <=>(other_plugin)
+      name <=> other_plugin.name
+    end
+
+    def about
+      @about ||= load_about_information
+    end
+    
+    private
+      def load_about_information
+        about_yml_path = File.join(@directory, "about.yml")
+        parsed_yml = File.exist?(about_yml_path) ? YAML.load(File.read(about_yml_path)) : {}
+        parsed_yml || {}
+      rescue Exception
+        {}
+      end
+
+      def report_nonexistant_or_empty_plugin!
+        raise LoadError, "Can not find the plugin named: #{name}"
+      end      
+    
+      def lib_path
+        File.join(directory, 'lib')
+      end
+
+      def init_path
+        File.join(directory, 'init.rb')
+      end
+
+      def has_lib_directory?
+        File.directory?(lib_path)
+      end
+
+      def has_init_file?
+        File.file?(init_path)
+      end
+
+      def evaluate_init_rb(initializer)
+         if has_init_file?
+           silence_warnings do
+             # Allow plugins to reference the current configuration object
+             config = initializer.configuration
+             
+             eval(IO.read(init_path), binding, init_path)
+           end
+         end
+      end               
+  end
+
+  # This Plugin subclass represents a Gem plugin. Although RubyGems has already
+  # taken care of $LOAD_PATHs, it exposes its load_paths to add them
+  # to Dependencies.load_paths.
+  class GemPlugin < Plugin
+    # Initialize this plugin from a Gem::Specification.
+    def initialize(spec)
+      super(File.join(spec.full_gem_path))
+      @name = spec.name
+    end
+
+    def init_path
+      File.join(directory, 'rails', 'init.rb')
+    end
+  end
+end
\ No newline at end of file
diff --git a/vendor/rails-2.1.0/railties/lib/rails/plugin/loader.rb b/vendor/rails-2.1.0/railties/lib/rails/plugin/loader.rb
new file mode 100644
index 000000000..1e542dd03
--- /dev/null
+++ b/vendor/rails-2.1.0/railties/lib/rails/plugin/loader.rb
@@ -0,0 +1,152 @@
+require "rails/plugin"
+
+module Rails
+  class Plugin
+    class Loader
+      attr_reader :initializer
+
+      # Creates a new Plugin::Loader instance, associated with the given
+      # Rails::Initializer. This default implementation automatically locates
+      # all plugins, and adds all plugin load paths, when it is created. The plugins
+      # are then fully loaded (init.rb is evaluated) when load_plugins is called.
+      #
+      # It is the loader's responsibility to ensure that only the plugins specified
+      # in the configuration are actually loaded, and that the order defined
+      # is respected.
+      def initialize(initializer)
+        @initializer = initializer
+      end
+      
+      # Returns the plugins to be loaded, in the order they should be loaded.
+      def plugins
+        @plugins ||= all_plugins.select { |plugin| should_load?(plugin) }.sort { |p1, p2| order_plugins(p1, p2) }
+      end
+
+      # Returns all the plugins that could be found by the current locators.
+      def all_plugins
+        @all_plugins ||= locate_plugins
+        @all_plugins
+      end
+    
+      def load_plugins
+        plugins.each do |plugin| 
+          plugin.load(initializer)
+          register_plugin_as_loaded(plugin)
+        end
+        ensure_all_registered_plugins_are_loaded!
+      end
+      
+      # Adds the load paths for every plugin into the $LOAD_PATH. Plugin load paths are
+      # added *after* the application's <tt>lib</tt> directory, to ensure that an application
+      # can always override code within a plugin.
+      #
+      # Plugin load paths are also added to Dependencies.load_paths, and Dependencies.load_once_paths.  
+      def add_plugin_load_paths
+        plugins.each do |plugin|
+          plugin.load_paths.each do |path|
+            $LOAD_PATH.insert(application_lib_index + 1, path)
+            Dependencies.load_paths      << path
+            unless Rails.configuration.reload_plugins?
+              Dependencies.load_once_paths << path
+            end
+          end
+        end
+        $LOAD_PATH.uniq!
+      end      
+      
+      protected
+      
+        # The locate_plugins method uses each class in config.plugin_locators to
+        # find the set of all plugins available to this Rails application.
+        def locate_plugins
+          configuration.plugin_locators.map { |locator|
+            locator.new(initializer).plugins
+          }.flatten
+          # TODO: sorting based on config.plugins
+        end
+
+        def register_plugin_as_loaded(plugin)
+          initializer.loaded_plugins << plugin
+        end
+
+        def configuration
+          initializer.configuration
+        end
+        
+        def should_load?(plugin)
+          # uses Plugin#name and Plugin#valid?
+          enabled?(plugin) && plugin.valid?
+        end
+
+        def order_plugins(plugin_a, plugin_b)
+          if !explicit_plugin_loading_order?
+            plugin_a <=> plugin_b
+          else
+            if !explicitly_enabled?(plugin_a) && !explicitly_enabled?(plugin_b)
+              plugin_a <=> plugin_b
+            else
+              effective_order_of(plugin_a) <=> effective_order_of(plugin_b)
+            end            
+          end
+        end
+        
+        def effective_order_of(plugin)
+          if explicitly_enabled?(plugin)
+            registered_plugin_names.index(plugin.name) 
+          else
+            registered_plugin_names.index('all')
+          end        
+        end
+
+        def application_lib_index
+          $LOAD_PATH.index(File.join(RAILS_ROOT, 'lib')) || 0
+        end      
+
+        def enabled?(plugin)
+          !explicit_plugin_loading_order? || registered?(plugin)
+        end
+
+        def explicit_plugin_loading_order?
+          !registered_plugin_names.nil?
+        end
+
+        def registered?(plugin)
+          explicit_plugin_loading_order? && registered_plugins_names_plugin?(plugin)
+        end
+
+        def explicitly_enabled?(plugin)
+          !explicit_plugin_loading_order? || explicitly_registered?(plugin)
+        end
+
+        def explicitly_registered?(plugin)
+          explicit_plugin_loading_order? && registered_plugin_names.include?(plugin.name)
+        end
+      
+        def registered_plugins_names_plugin?(plugin)
+          registered_plugin_names.include?(plugin.name) || registered_plugin_names.include?('all')
+        end
+        
+        # The plugins that have been explicitly listed with config.plugins. If this list is nil
+        # then it means the client does not care which plugins or in what order they are loaded, 
+        # so we load all in alphabetical order. If it is an empty array, we load no plugins, if it is
+        # non empty, we load the named plugins in the order specified.
+        def registered_plugin_names
+          configuration.plugins ? configuration.plugins.map(&:to_s) : nil
+        end
+        
+        def loaded?(plugin_name)
+          initializer.loaded_plugins.detect { |plugin| plugin.name == plugin_name.to_s }
+        end
+        
+        def ensure_all_registered_plugins_are_loaded!
+          if explicit_plugin_loading_order?
+            if configuration.plugins.detect {|plugin| plugin != :all && !loaded?(plugin) }
+              missing_plugins = configuration.plugins - (plugins + [:all])
+              raise LoadError, "Could not locate the following plugins: #{missing_plugins.to_sentence}"
+            end
+          end
+        end
+  
+    end
+  end
+end
\ No newline at end of file
diff --git a/vendor/rails-2.1.0/railties/lib/rails/plugin/locator.rb b/vendor/rails-2.1.0/railties/lib/rails/plugin/locator.rb
new file mode 100644
index 000000000..f06a51a57
--- /dev/null
+++ b/vendor/rails-2.1.0/railties/lib/rails/plugin/locator.rb
@@ -0,0 +1,99 @@
+module Rails
+  class Plugin
+    
+    # The Plugin::Locator class should be subclasses to provide custom plugin-finding
+    # abilities to Rails (i.e. loading plugins from Gems, etc). Each subclass should implement
+    # the <tt>located_plugins</tt> method, which return an array of Plugin objects that have been found.
+    class Locator
+      include Enumerable
+      
+      attr_reader :initializer
+      
+      def initialize(initializer)
+        @initializer = initializer
+      end
+      
+      # This method should return all the plugins which this Plugin::Locator can find
+      # These will then be used by the current Plugin::Loader, which is responsible for actually
+      # loading the plugins themselves
+      def plugins
+        raise "The `plugins' method must be defined by concrete subclasses of #{self.class}"
+      end
+      
+      def each(&block)
+        plugins.each(&block)
+      end
+      
+      def plugin_names
+        plugins.map(&:name)
+      end
+    end
+    
+    # The Rails::Plugin::FileSystemLocator will try to locate plugins by examining the directories
+    # the the paths given in configuration.plugin_paths. Any plugins that can be found are returned
+    # in a list. 
+    #
+    # The criteria for a valid plugin in this case is found in Rails::Plugin#valid?, although
+    # other subclasses of Rails::Plugin::Locator can of course use different conditions.
+    class FileSystemLocator < Locator
+      
+      # Returns all the plugins which can be loaded in the filesystem, under the paths given
+      # by configuration.plugin_paths.
+      def plugins
+        initializer.configuration.plugin_paths.flatten.inject([]) do |plugins, path|
+          plugins.concat locate_plugins_under(path)
+          plugins
+        end.flatten
+      end
+          
+      private
+      
+        # Attempts to create a plugin from the given path. If the created plugin is valid?
+        # (see Rails::Plugin#valid?) then the plugin instance is returned; otherwise nil.
+        def create_plugin(path)
+          plugin = Rails::Plugin.new(path)
+          plugin.valid? ? plugin : nil
+        end
+
+        # This starts at the base path looking for valid plugins (see Rails::Plugin#valid?).
+        # Since plugins can be nested arbitrarily deep within an unspecified number of intermediary 
+        # directories, this method runs recursively until it finds a plugin directory, e.g.
+        #
+        #     locate_plugins_under('vendor/plugins/acts/acts_as_chunky_bacon')
+        #     => <Rails::Plugin name: 'acts_as_chunky_bacon' ... >
+        #
+        def locate_plugins_under(base_path)
+           Dir.glob(File.join(base_path, '*')).inject([]) do |plugins, path|
+            if plugin = create_plugin(path)
+              plugins << plugin
+            elsif File.directory?(path)
+              plugins.concat locate_plugins_under(path)
+            end
+            plugins
+          end
+        end
+    end
+
+    # The GemLocator scans all the loaded RubyGems, looking for gems with
+    # a <tt>rails/init.rb</tt> file.
+    class GemLocator < Locator
+      def plugins
+        specs  = initializer.configuration.gems.map(&:specification)
+        specs += Gem.loaded_specs.values.select do |spec|
+          spec.loaded_from && # prune stubs
+            File.exist?(File.join(spec.full_gem_path, "rails", "init.rb"))
+        end
+        specs.compact!
+
+        require "rubygems/dependency_list"
+
+        deps = Gem::DependencyList.new
+        deps.add(*specs) unless specs.empty?
+
+        deps.dependency_order.collect do |spec|
+          Rails::GemPlugin.new(spec)
+        end
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/vendor/rails-2.1.0/railties/lib/rails/version.rb b/vendor/rails-2.1.0/railties/lib/rails/version.rb
new file mode 100644
index 000000000..48d24da52
--- /dev/null
+++ b/vendor/rails-2.1.0/railties/lib/rails/version.rb
@@ -0,0 +1,9 @@
+module Rails
+  module VERSION #:nodoc:
+    MAJOR = 2
+    MINOR = 1
+    TINY  = 0
+
+    STRING = [MAJOR, MINOR, TINY].join('.')
+  end
+end