Collapse successful GET messages together.

lib/src/command/serve.dart

 // Copyright (c) 2013, 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.
 
 library pub.command.serve;
 
 import 'dart:async';
 import 'dart:math' as math;
 
 import 'package:barback/barback.dart';
@@ skipping 140 matching lines @@
     var prefix = log.gray(
         padRight("[${server.rootDirectory}]", directoryLength + 2));
 
     server.results.listen((result) {
       var buffer = new StringBuffer();
       buffer.write("$prefix ");
 
       if (result.isSuccess) {
         buffer.write(
             "${log.green('GET')} ${result.url.path} $_arrow ${result.id}");
+        log.collapsible(buffer);
       } else {
         buffer.write("${log.red('GET')} ${result.url.path} $_arrow");
 
         var error = result.error.toString();
         if (error.contains("\n")) {
           buffer.write("\n${prefixLines(error)}");
         } else {
           buffer.write(" $error");
         }
+
+        log.error(buffer);
       }
-
-      log.message(buffer);
     }, onError: _fatalError);
 
     log.message("Serving ${entrypoint.root.name} "
         "${padRight(server.rootDirectory, directoryLength)} "
         "on ${log.bold('http://$hostname:${server.port}')}");
   }
 
   /// Reports [error] and exits the server.
   void _fatalError(error, [stackTrace]) {
     if (_completer.isCompleted) return;
     _completer.completeError(error, stackTrace);
   }
 }