webui fixes for 0.8.9

lib/dwc.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.
 
 /** The entry point to the compiler. Used to implement `bin/dwc.dart`. */
 library dwc;
 
 import 'dart:async';
 import 'dart:io';
 import 'package:logging/logging.dart' show Level;
 
 import 'src/compiler.dart';
 import 'src/file_system.dart';
 import 'src/file_system/console.dart';
 import 'src/files.dart';
 import 'src/messages.dart';
 import 'src/options.dart';
 import 'src/utils.dart';
 
 FileSystem fileSystem;
 
-void main() {
-  run(new Options().arguments).then((result) {
+void main(args) {
+  run(args).then((result) {
     exit(result.success ? 0 : 1);
   });
 }
 
 /** Contains the result of a compiler run. */
 class CompilerResult {
   final bool success;
 
   /** Map of output path to source, if there is one */
   final Map<String, String> outputs;
@@ skipping 114 matching lines @@
   // A broken symlink works like a file
   var toFile = new File(linkPath);
   if (toFile.existsSync()) {
     toFile.deleteSync();
   }
 
   var targetPath = path.join(path.dirname(options.inputFile), 'packages');
   // [fullPathSync] will canonicalize the path, resolving any symlinks.
   // TODO(sigmund): once it's possible in dart:io, we just want to use a full
   // path, but not necessarily resolve symlinks.
-  var target = new File(targetPath).fullPathSync().toString();
+  var target = new File(targetPath).absolute.resolveSymbolicLinksSync();
   return createSymlink(target, linkPath, messages: messages);
 }
 
 
 // TODO(jmesserly): this code was taken from Pub's io library.
 // Added error handling and don't return the file result, to match the code
 // we had previously. Also "target" and "link" only accept strings. And inlined
 // the relevant parts of runProcess. Note that it uses "cmd" to get the path
 // on Windows.
 /**
@@ skipping 20 matching lines @@
     if (result.exitCode != 0) {
       var details = 'subprocess stdout:\n${result.stdout}\n'
                     'subprocess stderr:\n${result.stderr}';
       messages.error(
         'unable to create symlink\n target: $target\n link:$link\n$details',
         null);
     }
     return null;
   });
 }