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utils/pub/command_install.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_install;
 
 import 'dart:async';
 
 import 'entrypoint.dart';
 import 'log.dart' as log;
 import 'pub.dart';
 
 /// Handles the `install` pub command.
 class InstallCommand extends PubCommand {
   String get description => "Install the current package's dependencies.";
   String get usage => "pub install";
 
   Future onRun() {
     return entrypoint.installDependencies()
-        .then((_) => log.message("Dependencies installed!"))
-        .then((_) => entrypoint.validateSdkConstraints());
+        .then((_) => log.message("Dependencies installed!"));
   }
 }