Revert "Merge branch 'master' of github.com:rails/docrails"

This reverts commit 70d6e16fbad75b89dd1798ed697e7732b8606fa3, reversing
changes made to ea4db3bc078fb3093ecdddffdf4f2f4ff3e1e8f9.

Seems to be a code merge done by mistake.

3 files changed, 10 insertions, 13 deletions

diff --git a/railties/lib/rails/api/task.rb b/railties/lib/rails/api/task.rb
index 3e32576040..1f9568fb5f 100644
--- a/railties/lib/rails/api/task.rb
+++ b/railties/lib/rails/api/task.rb
@@ -16,7 +16,8 @@ module Rails
           :include => %w(
             README.rdoc
             lib/active_record/**/*.rb
-          )
+          ),
+          :exclude => 'lib/active_record/vendor/*'
         },
 
         'activemodel' => {
@@ -32,22 +33,23 @@ module Rails
             lib/abstract_controller/**/*.rb
             lib/action_controller/**/*.rb
             lib/action_dispatch/**/*.rb
-          )
+          ),
+          :exclude => 'lib/action_controller/vendor/*'
         },
 
         'actionview' => {
           :include => %w(
             README.rdoc
             lib/action_view/**/*.rb
-          ),
-          :exclude => 'lib/action_view/vendor/*'
+          )
         },
 
         'actionmailer' => {
           :include => %w(
             README.rdoc
             lib/action_mailer/**/*.rb
-          )
+          ),
+          :exclude => 'lib/action_mailer/vendor/*'
         },
 
         'railties' => {
diff --git a/railties/lib/rails/app_rails_loader.rb b/railties/lib/rails/app_rails_loader.rb
index fbb83fa10e..4a17803f1c 100644
--- a/railties/lib/rails/app_rails_loader.rb
+++ b/railties/lib/rails/app_rails_loader.rb
@@ -2,7 +2,7 @@ require 'pathname'
 
 module Rails
   module AppRailsLoader
-    RUBY = Gem.ruby
+    RUBY = File.join(*RbConfig::CONFIG.values_at("bindir", "ruby_install_name")) + RbConfig::CONFIG["EXEEXT"]
     EXECUTABLES = ['bin/rails', 'script/rails']
     BUNDLER_WARNING = <<EOS
 Looks like your app's ./bin/rails is a stub that was generated by Bundler.
diff --git a/railties/lib/rails/engine.rb b/railties/lib/rails/engine.rb
index be8af5c46c..8000fc3b1e 100644
--- a/railties/lib/rails/engine.rb
+++ b/railties/lib/rails/engine.rb
@@ -351,13 +351,8 @@ module Rails
           Rails::Railtie::Configuration.eager_load_namespaces << base
 
           base.called_from = begin
-            call_stack = if Kernel.respond_to?(:caller_locations)
-              caller_locations.map(&:path)
-            else
-              # Remove the line number from backtraces making sure we don't leave anything behind
-              caller.map { |p| p.sub(/:\d+.*/, '') }
-            end
-
+            # Remove the line number from backtraces making sure we don't leave anything behind
+            call_stack = caller.map { |p| p.sub(/:\d+.*/, '') }
             File.dirname(call_stack.detect { |p| p !~ %r[railties[\w.-]*/lib/rails|rack[\w.-]*/lib/rack] })
           end
         end