"Reverting 14829-14832"

tools/release/version.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /**
  * This file contains functionality for getting dart version numbers using
  * our standard version construction method. Systems that does not include this
  * file should emulate the structure for revision numbers that we have here.
  *
  * The version number of a dart build is constructed as follows:
@@ skipping 104 matching lines @@
   String getExecutableSuffix() {
     if (Platform.operatingSystem == 'windows') {
       return '.bat';
     }
     return '';
   }
 
   int getRevisionFromSvnInfo(String info) {
     if (info == null || info == '') return 0;
     var lines = info.split("\n");
-    RegExp exp = new RegExp(r"Last Changed Rev: (\d*)");
+    RegExp exp = const RegExp(r"Last Changed Rev: (\d*)");
     for (var line in lines) {
       if (exp.hasMatch(line)) {
         String revisionString = (exp.firstMatch(line).group(1));
         try {
           return int.parse(revisionString);
         } catch(e) {
           return 0;
         }
       }
     }
@@ skipping 59 matching lines @@
   static RepositoryType guessType() {
     if (new Directory(".svn").existsSync()) return RepositoryType.SVN;
     if (new Directory(".git").existsSync()) return RepositoryType.GIT;
     return RepositoryType.UNKNOWN;
   }
 
   String toString() => name;
 
   final String name;
 }