Remove deprecated StringBuffer.add, addAll and addCharCode.

utils/pub/pub.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 main entrypoint for the pub command line application.
 library pub;
 
 import 'dart:async';
 import 'dart:io';
 import 'dart:math';
@@ skipping 142 matching lines @@
         exit(exit_codes.USAGE);
       }
     });
   });
 }
 
 /// Displays usage information for the app.
 void printUsage([String description = 'Pub is a package manager for Dart.']) {
   // Build up a buffer so it shows up as a single log entry.
   var buffer = new StringBuffer();
-  buffer.add(description);
-  buffer.add('\n\n');
-  buffer.add('Usage: pub command [arguments]\n\n');
-  buffer.add('Global options:\n');
-  buffer.add('${pubArgParser.getUsage()}\n\n');
+  buffer.write(description);
+  buffer.write('\n\n');
+  buffer.write('Usage: pub command [arguments]\n\n');
+  buffer.write('Global options:\n');
+  buffer.write('${pubArgParser.getUsage()}\n\n');
 
   // Show the commands sorted.
-  buffer.add('Available commands:\n');
+  buffer.write('Available commands:\n');
 
   // TODO(rnystrom): A sorted map would be nice.
   int length = 0;
   var names = <String>[];
   for (var command in pubCommands.keys) {
     // Hide aliases.
     if (pubCommands[command].aliases.indexOf(command) >= 0) continue;
     length = max(length, command.length);
     names.add(command);
   }
 
   names.sort((a, b) => a.compareTo(b));
 
   for (var name in names) {
-    buffer.add('  ${padRight(name, length)}   '
+    buffer.write('  ${padRight(name, length)}   '
         '${pubCommands[name].description}\n');
   }
 
-  buffer.add('\n');
-  buffer.add('Use "pub help [command]" for more information about a command.');
+  buffer.write('\n');
+  buffer.write(
+      'Use "pub help [command]" for more information about a command.');
   log.message(buffer.toString());
 }
 
 void printVersion() {
   log.message('Pub ${sdk.version}');
 }
 
 abstract class PubCommand {
   SystemCache cache;
   ArgResults globalOptions;
@@ skipping 93 matching lines @@
   /// Override this to perform the specific command. Return a future that
   /// completes when the command is done or fails if the command fails. If the
   /// command is synchronous, it may return `null`.
   Future onRun();
 
   /// Displays usage information for this command.
   void printUsage([String description]) {
     if (description == null) description = this.description;
 
     var buffer = new StringBuffer();
-    buffer.add('$description\n\nUsage: $usage');
+    buffer.write('$description\n\nUsage: $usage');
 
     var commandUsage = commandParser.getUsage();
     if (!commandUsage.isEmpty) {
-      buffer.add('\n');
-      buffer.add(commandUsage);
+      buffer.write('\n');
+      buffer.write(commandUsage);
     }
 
     log.message(buffer.toString());
   }
 
   /// Returns the appropriate exit code for [exception], falling back on 1 if no
   /// appropriate exit code could be found.
   int _chooseExitCode(exception) {
     if (exception is HttpException || exception is HttpParserException ||
         exception is SocketIOException || exception is PubHttpException) {
       return exit_codes.UNAVAILABLE;
     } else if (exception is FormatException) {
       return exit_codes.DATA;
     } else {
       return 1;
     }
   }
 }