Get base_name from class_name.

railties/bin/gen

@@ -10,7 +10,7 @@ end
 if ARGV.size == 0
   puts "Please select a generator. Options: foo, bar"
   return
-else ARGV.size == 1
+elsif ARGV.size == 1
   ARGV << "--help"
 end
 
@@ -22,7 +22,7 @@ end
 
 name = ARGV.shift
 
-if klass = Thor::Util.find_by_namespace("rails:#{name}")
+if klass = Thor::Util.find_by_namespace("rails:generators:#{name}")
   klass.start
 elsif klass = Thor::Util.find_by_namespace(name)
   klass.start

railties/lib/generators/base.rb

@@ -15,13 +15,15 @@ def self.source_root
         @source_root ||= File.expand_path(File.join(File.dirname(__FILE__), base_name, generator_name, 'templates'))
       end
 
-      # Convenience method to get the namespace from the class name.
+      # Convenience method to get the namespace from the class name. It's the
+      # same as Thor default except that the Generator at the end of the class
+      # is removed.
       #
-      def self.namespace(name=nil)
+      def self.namespace(name=nil) #:nodoc:
         if name
           super
         else
-          @namespace ||= "#{base_name}:#{generator_name}"
+          @namespace ||= "#{base_name}:generators:#{generator_name}"
         end
       end
 
@@ -33,18 +35,15 @@ def self.banner
           "#{$0} #{generator_name} #{self.arguments.map(&:usage).join(' ')} [options]"
         end
 
-        # Sets the base_name. Overwriten by test unit generators.
+        # Sets the base_name taking into account the current class namespace.
         #
-        def self.base_name
-          'rails'
+        def self.base_name #:nodoc:
+          @base_name ||= self.name.split('::').first.underscore
         end
 
         # Removes the namespaces and get the generator name. For example,
         # Rails::Generators::MetalGenerator will return "metal" as generator name.
         #
-        # The name is used to set the namespace (in this case "rails:metal")
-        # and to set the source root ("rails/metal/templates").
-        #
         def self.generator_name
           @generator_name ||= begin
             klass_name = self.name.split('::').last
@@ -61,7 +60,7 @@ def self.add_shebang_option!
           default = File.join(Config::CONFIG['bindir'], Config::CONFIG['ruby_install_name'])
 
           class_option :ruby, :type => :string, :aliases => "-r", :default => default,
-                              :desc => "Path to the Ruby binary of your choice"
+                              :desc => "Path to the Ruby binary of your choice", :banner => "PATH"
 
           no_tasks do
             define_method :shebang do
@@ -78,7 +77,7 @@ def self.add_test_framework_option!
 
           define_method :invoke_test_framework do
             return unless options[:test_framework]
-            name = "#{options[:test_framework]}:#{self.class.generator_name}"
+            name = "#{options[:test_framework]}:generators:#{self.class.generator_name}"
 
             begin
               invoke name

railties/lib/generators/test_unit.rb

@@ -3,10 +3,6 @@
 module TestUnit
   module Generators
     class Base < Rails::Generators::NamedBase
-      protected
-        def self.base_name
-          'test_unit'
-        end
     end
   end
 end