Takes out stale methods relating to edge_rails_version

Signed-off-by: NJosé Valim <jose.valim@gmail.com>

railties/lib/rails/info.rb

@@ -35,20 +35,6 @@ def framework_version(framework)
         end
       end
 
-      def edge_rails_revision(info = git_info)
-        info[/commit ([a-z0-9-]+)/, 1] || freeze_edge_version
-      end
-
-      def freeze_edge_version
-        if File.exist?(rails_vendor_root)
-          begin
-            Dir[File.join(rails_vendor_root, 'REVISION_*')].first.scan(/_(\d+)$/).first.first
-          rescue
-            Dir[File.join(rails_vendor_root, 'TAG_*')].first.scan(/_(.+)$/).first.first rescue 'unknown'
-          end
-        end
-      end
-
       def to_s
         column_width = properties.names.map {|name| name.length}.max
         info = properties.map do |name, value|
@@ -75,20 +61,6 @@ def to_html
           table << '</table>'
         end
       end
-
-      protected
-        def rails_vendor_root
-          @rails_vendor_root ||= "#{Rails.root}/vendor/rails"
-        end
-
-        def git_info
-          env_lang, ENV['LC_ALL'] = ENV['LC_ALL'], 'C'
-          Dir.chdir(rails_vendor_root) do
-            silence_stderr { `git log -n 1` }
-          end
-        ensure
-          ENV['LC_ALL'] = env_lang
-        end
     end
 
     # The Ruby version and platform, e.g. "1.8.2 (powerpc-darwin8.2.0)".
@@ -120,11 +92,6 @@ def git_info
       Rails.configuration.middleware.active.map(&:inspect)
     end
 
-    # The Rails Git revision, if it's checked out into vendor/rails.
-    property 'Edge Rails revision' do
-      edge_rails_revision
-    end
-
     # The application's location on the filesystem.
     property 'Application root' do
       File.expand_path(Rails.root)

railties/test/rails_info_test.rb

@@ -14,27 +14,6 @@ def setup
     silence_warnings { load 'rails/info.rb' }
   end
 
-  def test_edge_rails_revision_not_set_when_svn_info_is_empty
-    Rails::Info.property 'Test that this will not be defined' do
-      Rails::Info.edge_rails_revision ''
-    end
-    assert !property_defined?('Test that this will not be defined')
-  end
-
-  def test_edge_rails_revision_extracted_from_svn_info
-    Rails::Info.property 'Test Edge Rails revision' do
-      Rails::Info.edge_rails_revision <<-EOS
-      commit 420c4b3d8878156d04f45e47050ddc62ae00c68c
-      Author: David Heinemeier Hansson <david@loudthinking.com>
-      Date:   Sun Apr 13 17:33:27 2008 -0500
-
-          Added Rails.public_path to control where HTML and assets are expected to be loaded from
-EOS
-    end
-
-    assert_property 'Test Edge Rails revision', '420c4b3d8878156d04f45e47050ddc62ae00c68c'
-  end
-
   def test_property_with_block_swallows_exceptions_and_ignores_property
     assert_nothing_raised do
       Rails::Info.module_eval do