Use args' command support for pub commands.

sdk/lib/_internal/pub/lib/src/command_lish.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.
 
 library command_lish;
 
 import 'dart:async';
 import 'dart:io';
 import 'dart:json';
 import 'dart:uri';
 
 import 'package:args/args.dart';
 import 'package:http/http.dart' as http;
 import 'package:pathos/path.dart' as path;
 
 import 'command.dart';
 import 'directory_tree.dart';
 import 'exit_codes.dart' as exit_codes;
 import 'git.dart' as git;
+import 'hosted_source.dart';
 import 'http.dart';
 import 'io.dart';
 import 'log.dart' as log;
 import 'oauth2.dart' as oauth2;
 import 'utils.dart';
 import 'validator.dart';
 
 /// Handles the `lish` and `publish` pub commands.
 class LishCommand extends PubCommand {
   final description = "Publish the current package to pub.dartlang.org.";
   final usage = "pub publish [options]";
   final aliases = const ["lish", "lush"];
 
-  ArgParser get commandParser {
-    var parser = new ArgParser();
-    // TODO(nweiz): Use HostedSource.defaultUrl as the default value once we use
-    // dart:io for HTTPS requests.
-    parser.addFlag('dry-run', abbr: 'n', negatable: false,
-        help: 'Validate but do not publish the package.');
-    parser.addFlag('force', abbr: 'f', negatable: false,
-        help: 'Publish without confirmation if there are no errors.');
-    parser.addOption('server', defaultsTo: 'https://pub.dartlang.org',
-        help: 'The package server to which to upload this package.');
-    return parser;
-  }
-
   /// The URL of the server to which to upload the package.
   Uri get server => Uri.parse(commandOptions['server']);
 
   /// Whether the publish is just a preview.
   bool get dryRun => commandOptions['dry-run'];
 
   /// Whether the publish requires confirmation.
   bool get force => commandOptions['force'];
 
+  LishCommand() {
+    commandParser.addFlag('dry-run', abbr: 'n', negatable: false,
+        help: 'Validate but do not publish the package.');
+    commandParser.addFlag('force', abbr: 'f', negatable: false,
+        help: 'Publish without confirmation if there are no errors.');
+    commandParser.addOption('server', defaultsTo: HostedSource.DEFAULT_URL,
+        help: 'The package server to which to upload this package.');
+  }
+
   Future _publish(packageBytes) {
     var cloudStorageUrl;
     return oauth2.withClient(cache, (client) {
       // TODO(nweiz): Cloud Storage can provide an XML-formatted error. We
       // should report that error and exit.
       var newUri = server.resolve("/packages/versions/new.json");
       return client.get(newUri).then((response) {
         var parameters = parseJsonResponse(response);
 
         var url = _expectField(parameters, 'url', response);
@@ skipping 100 matching lines @@
       return confirm(message).then((confirmed) {
         if (!confirmed) {
           log.error("Package upload canceled.");
           return false;
         }
         return true;
       });
     });
   }
 }