Revert "Explicitly configure git committer."

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 518 matching lines @@
         dartBin = new File(dartBin).fullPathSync();
       }
 
       // Find the main pub entrypoint.
       var pubPath = fs.joinPaths(testDirectory, '../../pub/pub.dart');
 
       var dartArgs =
           ['--enable-type-checks', '--enable-asserts', pubPath, '--trace'];
       dartArgs.addAll(args);
 
-      var environment = {
-        'PUB_CACHE': pathInSandbox(cachePath),
-        'DART_SDK': pathInSandbox(sdkPath)
-      };
+      var environment = new Map.from(Platform.environment);
+      environment['PUB_CACHE'] = pathInSandbox(cachePath);
+      environment['DART_SDK'] = pathInSandbox(sdkPath);
 
       return runProcess(dartBin, dartArgs, workingDir: pathInSandbox(appPath),
           environment: environment);
     }).transform((result) {
       var failures = [];
 
       _validateOutput(failures, 'stdout', output, result.stdout);
       _validateOutput(failures, 'stderr', error, result.stderr);
 
       if (result.exitCode != exitCode) {
@@ skipping 491 matching lines @@
     var workingDir;
 
     Future runGitStep(_) {
       if (commands.isEmpty) return new Future.immediate(workingDir);
       var command = commands.removeAt(0);
       return _runGit(command, workingDir).chain(runGitStep);
     }
 
     return super.create(parentDir).chain((rootDir) {
       workingDir = rootDir;
-      return runGitStep(null);
-    });
+      return writeTextFile(join(parentDir, '.gitconfig'), '''
+[user]
+  name = Test Pub
+  email = pub@dartlang.org
+''');
+    }).chain(runGitStep);
   }
 
   Future<String> _runGit(List<String> args, Directory workingDir) {
-    // Explicitly specify the committer information. Git needs this to commit
-    // and we don't want to rely on the buildbots having this already set up.
-    var environment = {
-      'GIT_COMMITTER_NAME': 'Pub Test',
-      'GIT_COMMITTER_EMAIL': 'pub@dartlang.org'
-    };
-
-    return runGit(args, workingDir: workingDir.path,
-        environment: environment).transform((result) {
+    return runGit(args, workingDir: workingDir.path).transform((result) {
       if (!result.success) {
         throw "Error running: git ${Strings.join(args, ' ')}\n"
             "${Strings.join(result.stderr, '\n')}";
       }
 
       return result.stdout;
     });
   }
 }
 
@@ skipping 142 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);
 }