Help script/about print the correct svn revision when in a non-English locale. Closes #4026.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3723 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

railties/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Help script/about print the correct svn revision when in a non-English locale.  #4026 [babie7a0@ybb.ne.jp]
+
 * Add 'app' accessor to script/console as an instance of Integration::Session [Jamis Buck]
 
 * Generator::Base#usage takes an optional message argument which defaults to Generator::Base#usage_message. [Jeremy Kemper]

railties/lib/rails_info.rb

@@ -51,13 +51,16 @@ module Rails
           table << '</table>'
         end
       end
-      
-    protected
-      def svn_info
-        Dir.chdir("#{RAILS_ROOT}/vendor/rails") do
-          silence_stderr { `svn info` }
+
+      protected
+        def svn_info
+          env_lang, ENV['LC_ALL'] = ENV['LC_ALL'], 'C'
+          Dir.chdir("#{RAILS_ROOT}/vendor/rails") do
+            silence_stderr { `svn info` }
+          end
+        ensure
+          ENV['LC_ALL'] = env_lang
         end
-      end
     end
 
     # The Ruby version and platform, e.g. "1.8.2 (powerpc-darwin8.2.0)".