Add a "pub deploy" command.

sdk/lib/_internal/pub/lib/src/command.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.
 
 import 'dart:io';
 import 'dart:async';
 
 import 'package:args/args.dart';
 import 'package:pathos/path.dart' as path;
 
 import 'command_cache.dart';
+import 'command_deploy.dart';
 import 'command_help.dart';
 import 'command_install.dart';
 import 'command_lish.dart';
 import 'command_update.dart';
 import 'command_uploader.dart';
 import 'command_version.dart';
 import 'entrypoint.dart';
 import 'exit_codes.dart' as exit_codes;
 import 'http.dart';
 import 'log.dart' as log;
 import 'package.dart';
 import 'system_cache.dart';
 import 'utils.dart';
 
 /// The base class for commands for the pub executable.
 abstract class PubCommand {
   /// The commands that Pub understands.
   static Map<String, PubCommand> get commands {
     var commands = {
       'cache': new CacheCommand(),
+      'deploy': new DeployCommand(),
       'help': new HelpCommand(),
       'install': new InstallCommand(),
       'publish': new LishCommand(),
       'update': new UpdateCommand(),
       'uploader': new UploaderCommand(),
       'version': new VersionCommand()
      };
     for (var command in commands.values.toList()) {
       for (var alias in command.aliases) {
         commands[alias] = command;
@@ skipping 147 matching lines @@
     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;
     }
   }
 }