Show partial reports in pub get, serve, and build.

sdk/lib/_internal/pub/test/test_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.
 
 /// Test infrastructure for testing pub.
 ///
 /// Unlike typical unit tests, most pub tests are integration tests that stage
 /// some stuff on the file system, run pub, and then validate the results. This
 /// library provides an API to build tests like that.
 library test_pub;
@@ skipping 296 matching lines @@
 /// The path of the packages directory in the mock app used for tests, relative
 /// to the sandbox directory.
 final String packagesPath = "$appPath/packages";
 
 /// Set to true when the current batch of scheduled events should be aborted.
 bool _abortScheduled = false;
 
 /// Enum identifying a pub command that can be run with a well-defined success
 /// output.
 class RunCommand {
-  static final get = new RunCommand('get', new RegExp(r'Got dependencies!$'));
+  static final get = new RunCommand('get', new RegExp(
+      r'Got dependencies!|Changed \d+ dependenc(y|ies)!'));
   static final upgrade = new RunCommand('upgrade', new RegExp(
       r'(No dependencies changed\.|Changed \d+ dependenc(y|ies)!)$'));
 
   final String name;
   final RegExp success;
   RunCommand(this.name, this.success);
 }
 
 /// Runs the tests defined within [callback] using both pub get and pub upgrade.
 ///
@@ skipping 30 matching lines @@
   var exitCode = null;
   if (error != null) exitCode = 1;
 
   // No success output on an error.
   if (error != null) output = null;
   if (warning != null) error = warning;
 
   schedulePub(args: allArgs, output: output, error: error, exitCode: exitCode);
 }
 
-void pubGet({Iterable<String> args, error, warning}) {
-  pubCommand(RunCommand.get, args: args, error: error, warning: warning);
+void pubGet({Iterable<String> args, output, error, warning}) {
+  pubCommand(RunCommand.get, args: args, output: output, error: error,
+      warning: warning);
 }
 
 void pubUpgrade({Iterable<String> args, output, error, warning}) {
   pubCommand(RunCommand.upgrade, args: args, output: output, error: error,
       warning: warning);
 }
 
 /// Defines an integration test.
 ///
 /// The [body] should schedule a series of operations which will be run
@@ skipping 539 matching lines @@
         _lastMatcher.matches(item.last, matchState);
   }
 
   Description describe(Description description) {
     return description.addAll("(", ", ", ")", [_firstMatcher, _lastMatcher]);
   }
 }
 
 /// A [StreamMatcher] that matches multiple lines of output.
 StreamMatcher emitsLines(String output) => inOrder(output.split("\n"));