Include an explicit author when committing.

utils/tests/pub/test_pub.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.
 
 /**
  * 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.
  */
@@ skipping 981 matching lines @@
    * Creates the Git repository and commits the contents.
    */
   Future<Directory> create(parentDir) {
     var workingDir;
     Future runGit(List<String> args) => _runGit(args, workingDir);
 
     return super.create(parentDir).chain((rootDir) {
       workingDir = rootDir;
       return runGit(['init']);
     }).chain((_) => runGit(['add', '.']))
-      .chain((_) => runGit(['commit', '-m', 'initial commit']))
+      .chain((_) => runGit(['commit', '-m', 'initial commit',
+                            '--author="Pub Test <pub@dartlang.org>"']))
       .transform((_) => workingDir);
   }
 
   /**
    * Commits any changes to the Git repository.
    */
   Future commit(parentDir) {
     var workingDir;
     Future runGit(List<String> args) => _runGit(args, workingDir);
 
     return super.create(parentDir).chain((rootDir) {
       workingDir = rootDir;
       return runGit(['add', '.']);
-    }).chain((_) => runGit(['commit', '-m', 'update']));
+    }).chain((_) => runGit(['commit', '-m', 'update',
+                            '--author="Pub Test <pub@dartlang.org>"']));
   }
 
   /**
    * Schedules changes to be committed to the Git repository.
    */
   void scheduleCommit() => _schedule((dir) => this.commit(dir));
 
   /**
    * Return a Future that completes to the commit in the git repository referred
    * to by [ref] at the current point in the scheduled test run.
@@ skipping 16 matching lines @@
   /// Schedule a Git command to run in this repository.
   void scheduleGit(List<String> args) {
     _schedule((parentDir) {
       var gitDir = new Directory(join(parentDir, name));
       return _runGit(args, gitDir);
     });
   }
 
   Future<String> _runGit(List<String> args, Directory workingDir) {
     return runGit(args, workingDir: workingDir.path).transform((result) {
-      if (!result.success) throw "Error running git: ${result.stderr}";
+      if (!result.success) {
+        throw "Error running: git ${Strings.join(args, ' ')}\n"
+            "${Strings.join(result.stderr, '\n')}";
+      }
+
       return result.stdout;
     });
   }
 }
 
 /**
  * Describes a gzipped tar file and its contents.
  */
 class TarFileDescriptor extends Descriptor {
   final List<Descriptor> contents;
@@ skipping 137 matching lines @@
 }
 
 /**
  * Schedules a callback to be called after Pub is run with [runPub], even if it
  * fails.
  */
 void _scheduleCleanup(_ScheduledEvent event) {
   if (_scheduledCleanup == null) _scheduledCleanup = [];
   _scheduledCleanup.add(event);
 }