Added plugin generators (and a couple of TODOs).

railties/lib/generators/base.rb

 require 'generators/actions'
-require 'generators/error'
 
 module Rails
   module Generators
+    class Error < Thor::Error
+    end
+
     class Base < Thor::Group
       include Rails::Generators::Actions
       include Thor::Actions
@@ -45,7 +47,7 @@ def self.base_name
         #
         def self.generator_name
           @generator_name ||= begin
-            klass_name = self.name.gsub(/^Rails::Generators::/, '')
+            klass_name = self.name.split('::').last
             klass_name.gsub!(/Generator$/, '')
             klass_name.underscore
           end
@@ -71,7 +73,8 @@ def self.add_shebang_option!
         # Small macro to add test_framework option and invoke it.
         #
         def self.add_test_framework_option!
-          class_option :test_framework, :type => :string, :aliases => "-t", :default => "testunit",
+          # TODO Reduce the example name
+          class_option :test_framework, :type => :string, :aliases => "-t", :default => "test_unit",
                                         :desc => "Test framework to be invoked by this generator"
 
           define_method :invoke_test_framework do
@@ -80,7 +83,7 @@ def self.add_test_framework_option!
 
             begin
               invoke name
-            rescue Thor::UndefinedTaskError
+            rescue Thor::UndefinedTaskError # TODO Ensure this message is called.
               say "Could not find and/or invoke #{name}."
             end
           end

railties/lib/generators/error.rb

-module Rails
-  module Generators
-    class Error < Thor::Error
-    end
-  end
-end

railties/lib/generators/rails/plugin/USAGE

+Description:
+    Stubs out a new plugin at vendor/plugins. Pass the plugin name, either
+    CamelCased or under_scored, as an argument. 
+
+Example:
+    `./script/generate plugin BrowserFilters`
+
+    creates a standard browser_filters plugin:
+        vendor/plugins/browser_filters/README
+        vendor/plugins/browser_filters/init.rb
+        vendor/plugins/browser_filters/install.rb
+        vendor/plugins/browser_filters/lib/browser_filters.rb
+        vendor/plugins/browser_filters/test/browser_filters_test.rb

railties/lib/generators/rails/plugin/plugin_generator.rb

+module Rails
+  module Generators
+    class PluginGenerator < NamedBase
+      def create_root
+        self.root = File.expand_path("vendor/plugins/#{file_name}", root)
+        empty_directory '.'
+        FileUtils.cd(root)
+      end
+
+      # TODO Check class collision
+
+      def create_root_files
+        %w(README MIT-LICENSE Rakefile init.rb install.rb uninstall.rb).each do |file|
+          template file
+        end
+      end
+
+      def create_lib_files
+        directory 'lib'
+      end
+
+      add_test_framework_option!
+
+      class_option :with_tasks, :type => :boolean, :aliases => "-r", :default => false,
+                                :desc => "When supplied creates tasks base files."
+
+      class_option :with_generator, :type => :boolean, :aliases => "-g", :default => false,
+                                    :desc => "When supplied creates generator base files."
+
+      def create_tasks_files
+        return unless options[:with_tasks]
+        directory 'tasks'
+      end
+
+      def create_generator_files
+        return unless options[:with_generator]
+        directory 'generators'
+      end
+    end
+  end
+end

railties/lib/generators/rails/plugin/templates/MIT-LICENSE

+Copyright (c) <%= Date.today.year %> [name of plugin creator]
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

railties/lib/generators/rails/plugin/templates/README

+<%= class_name %>
+<%= "=" * class_name.size %>
+
+Introduction goes here.
+
+
+Example
+=======
+
+Example goes here.
+
+
+Copyright (c) <%= Date.today.year %> [name of plugin creator], released under the MIT license

railties/lib/generators/rails/plugin/templates/Rakefile

+require 'rake'
+require 'rake/testtask'
+require 'rake/rdoctask'
+
+desc 'Default: run unit tests.'
+task :default => :test
+
+desc 'Test the <%= file_name %> plugin.'
+Rake::TestTask.new(:test) do |t|
+  t.libs << 'lib'
+  t.libs << 'test'
+  t.pattern = 'test/**/*_test.rb'
+  t.verbose = true
+end
+
+desc 'Generate documentation for the <%= file_name %> plugin.'
+Rake::RDocTask.new(:rdoc) do |rdoc|
+  rdoc.rdoc_dir = 'rdoc'
+  rdoc.title    = '<%= class_name %>'
+  rdoc.options << '--line-numbers' << '--inline-source'
+  rdoc.rdoc_files.include('README')
+  rdoc.rdoc_files.include('lib/**/*.rb')
+end

railties/lib/generators/rails/plugin/templates/generators/%file_name%/%file_name%_generator.rb.tt

+class <%= class_name %>Generator < Rails::Generators::NamedBase
+end

railties/lib/generators/rails/plugin/templates/generators/%file_name%/USAGE.tt

+Description:
+    Explain the generator
+
+Example:
+    ./script/generate <%= file_name %> Thing
+
+    This will create:
+        what/will/it/create

railties/lib/generators/rails/plugin/templates/init.rb

+# Include hook code here

railties/lib/generators/rails/plugin/templates/install.rb

+# Install hook code here

railties/lib/generators/rails/plugin/templates/lib/%file_name%.rb.tt

+# <%= class_name %>

railties/lib/generators/rails/plugin/templates/tasks/%file_name%_tasks.rake.tt

+# desc "Explaining what the task does"
+# task :<%= file_name %> do
+#   # Task goes here
+# end

railties/lib/generators/rails/plugin/templates/uninstall.rb

+# Uninstall hook code here

railties/lib/generators/test_unit.rb

 require 'generators/named_base'
 
-module Rails
+module TestUnit
   module Generators
-    class TestUnit < NamedBase
+    class Base < Rails::Generators::NamedBase
       protected
         def self.base_name
           'test_unit'

railties/lib/generators/test_unit/plugin/USAGE

+Description:
+    Stubs out a new plugin at vendor/plugins. Pass the plugin name, either
+    CamelCased or under_scored, as an argument. 
+
+Example:
+    `./script/generate plugin BrowserFilters`
+
+    creates a standard browser_filters plugin:
+        vendor/plugins/browser_filters/README
+        vendor/plugins/browser_filters/init.rb
+        vendor/plugins/browser_filters/install.rb
+        vendor/plugins/browser_filters/lib/browser_filters.rb
+        vendor/plugins/browser_filters/test/browser_filters_test.rb

railties/lib/generators/test_unit/plugin/plugin_generator.rb

+module TestUnit
+  module Generators
+    class PluginGenerator < Base
+      desc <<DESC
+Description:
+    Create TestUnit files for plugin generator.
+DESC
+
+      def create_test_files
+        directory 'test'
+      end
+    end
+  end
+end

railties/lib/generators/test_unit/plugin/templates/test/%file_name%_test.rb

+require 'test_helper'
+
+class <%= class_name %>Test < ActiveSupport::TestCase
+  # Replace this with your real tests.
+  test "the truth" do
+    assert true
+  end
+end

railties/lib/generators/test_unit/plugin/templates/test/test_helper.rb

+require 'rubygems'
+require 'active_support'
+require 'active_support/test_case'
\ No newline at end of file