Remove uses of dart:io Options from pub.

sdk/lib/_internal/pub/bin/pub.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:async';
 import 'dart:io';
 import 'dart:math' as math;
 
 import 'package:args/args.dart';
 import 'package:path/path.dart' as path;
 
 import '../lib/src/command.dart';
 import '../lib/src/exit_codes.dart' as exit_codes;
 import '../lib/src/io.dart';
 import '../lib/src/log.dart' as log;
 import '../lib/src/sdk.dart' as sdk;
 import '../lib/src/utils.dart';
 
 final pubArgParser = initArgParser();
 
-void main() {
+void main(List<String> arguments) {
   ArgResults options;
 
   try {
-    options = pubArgParser.parse(new Options().arguments);
+    options = pubArgParser.parse(arguments);
   } on FormatException catch (e) {
     log.error(e.message);
     log.error('Run "pub help" to see available options.');
     flushThenExit(exit_codes.USAGE);
     return;
   }
 
   if (options['version']) {
     log.message('Pub ${sdk.version}');
     return;
@@ skipping 41 matching lines @@
   if (Platform.environment.containsKey('PUB_CACHE')) {
     cacheDir = Platform.environment['PUB_CACHE'];
   } else if (Platform.operatingSystem == 'windows') {
     var appData = Platform.environment['APPDATA'];
     cacheDir = path.join(appData, 'Pub', 'Cache');
   } else {
     cacheDir = '${Platform.environment['HOME']}/.pub-cache';
   }
 
   validatePlatform().then((_) {
-    PubCommand.commands[options.command.name].run(cacheDir, options);
+    PubCommand.commands[options.command.name].run(cacheDir, options, arguments);
   });
 }
 
 ArgParser initArgParser() {
   var argParser = new ArgParser();
 
   // Add the global options.
   argParser.addFlag('help', abbr: 'h', negatable: false,
       help: 'Print this usage information.');
   argParser.addFlag('version', negatable: false,
@@ skipping 67 matching lines @@
   for (var name in names) {
     buffer.write('  ${padRight(name, length)}   '
         '${PubCommand.commands[name].description}\n');
   }
 
   buffer.write('\n');
   buffer.write(
       'Use "pub help [command]" for more information about a command.');
   log.message(buffer.toString());
 }