Merge remote branch 'mainstream/master'

Conflicts:
	railties/README
	railties/guides/source/active_support_core_extensions.textile
	railties/guides/source/getting_started.textile
	railties/lib/generators/rails/app/templates/README

4 files changed, 34 insertions, 55 deletions

diff --git a/activesupport/lib/active_support/core_ext/module/anonymous.rb b/activesupport/lib/active_support/core_ext/module/anonymous.rb
new file mode 100644
index 0000000000..df25a09ec9
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/module/anonymous.rb
@@ -0,0 +1,24 @@
+require 'active_support/core_ext/object/blank'
+
+class Module
+  # A module may or may not have a name.
+  #
+  #   module M; end
+  #   M.name # => "M"
+  #
+  #   m = Module.new
+  #   m.name # => ""
+  #
+  # A module gets a name when it is first assigned to a constant. Either
+  # via the +module+ or +class+ keyword or by an explicit assignment:
+  #
+  #   m = Module.new # creates an anonymous module
+  #   M = m          # => m gets a name here as a side-effect
+  #   m.name         # => "M"
+  #
+  def anonymous?
+    # Uses blank? because the name of an anonymous class is an empty
+    # string in 1.8, and nil in 1.9.
+    name.blank? 
+  end
+end
diff --git a/activesupport/lib/active_support/core_ext/module/inclusion.rb b/activesupport/lib/active_support/core_ext/module/inclusion.rb
deleted file mode 100644
index 4f23841645..0000000000
--- a/activesupport/lib/active_support/core_ext/module/inclusion.rb
+++ /dev/null
@@ -1,30 +0,0 @@
-class Module
-  # Returns the classes in the current ObjectSpace where this module has been
-  # mixed in according to Module#included_modules.
-  #
-  #   module M
-  #   end
-  #   
-  #   module N
-  #     include M
-  #   end
-  #   
-  #   class C
-  #     include M
-  #   end
-  #   
-  #   class D < C
-  #   end
-  #
-  #   p M.included_in_classes # => [C, D]
-  #
-  def included_in_classes
-    classes = []
-    ObjectSpace.each_object(Class) { |k| classes << k if k.included_modules.include?(self) }
-
-    classes.reverse.inject([]) do |unique_classes, klass| 
-      unique_classes << klass unless unique_classes.collect { |k| k.to_s }.include?(klass.to_s)
-      unique_classes
-    end
-  end
-end
\ No newline at end of file
diff --git a/activesupport/lib/active_support/core_ext/module/loading.rb b/activesupport/lib/active_support/core_ext/module/loading.rb
deleted file mode 100644
index 43d0578ae6..0000000000
--- a/activesupport/lib/active_support/core_ext/module/loading.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-require 'active_support/core_ext/string/inflections'
-
-class Module
-  # Returns String#underscore applied to the module name minus trailing classes.
-  #
-  #   ActiveRecord.as_load_path               # => "active_record"
-  #   ActiveRecord::Associations.as_load_path # => "active_record/associations"
-  #   ActiveRecord::Base.as_load_path         # => "active_record" (Base is a class)
-  #
-  # The Kernel module gives an empty string by definition.
-  #
-  #   Kernel.as_load_path # => ""
-  #   Math.as_load_path   # => "math"
-  def as_load_path
-    if self == Object || self == Kernel
-      ''
-    elsif is_a? Class
-      parent == self ? '' : parent.as_load_path
-    else
-      name.split('::').collect do |word|
-        word.underscore
-      end * '/'
-    end
-  end
-end
\ No newline at end of file
diff --git a/activesupport/lib/active_support/core_ext/module/reachable.rb b/activesupport/lib/active_support/core_ext/module/reachable.rb
new file mode 100644
index 0000000000..443d2c3d53
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/module/reachable.rb
@@ -0,0 +1,10 @@
+require 'active_support/core_ext/module/anonymous'
+require 'active_support/core_ext/string/inflections'
+
+class Module
+  def reachable? #:nodoc:
+    !anonymous? && name.constantize.equal?(self)
+  rescue NameError
+    false
+  end
+end