Add a "pub deploy" command.

sdk/lib/_internal/pub/test/deploy/reports_dart_parse_errors.dart

Index: sdk/lib/_internal/pub/test/deploy/reports_dart_parse_errors.dart
diff --git a/sdk/lib/_internal/pub/test/deploy/reports_dart_parse_errors.dart b/sdk/lib/_internal/pub/test/deploy/reports_dart_parse_errors.dart
new file mode 100644
index 0000000000000000000000000000000000000000..6875a43e7032d4497e7593ea15e64d91950b988f
--- /dev/null
+++ b/sdk/lib/_internal/pub/test/deploy/reports_dart_parse_errors.dart
@@ -0,0 +1,45 @@
+// 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 'package:scheduled_test/scheduled_test.dart';
+
+import '../descriptor.dart' as d;
+import '../test_pub.dart';
+
+main() {
+  initConfig();
+
+  integration("reports Dart parse errors", () {
+    d.dir(appPath, [
+      d.appPubspec([]),
+      d.dir('web', [
+        d.file('file.txt', 'contents'),
+        d.file('file.dart', 'void void;'),
+        d.dir('subdir', [
+          d.file('subfile.dart', 'void void;')
+        ])
+      ])
+    ]).create();
+
+    schedulePub(args: ["deploy"],
+        error: new RegExp(
+            r"^Error on line 1 of .*[/\\]file\.dart:(.|\n)*"
+            r"^Error on line 1 of .*[/\\]subfile\.dart:",
+            multiLine: true),
+        output: '''
+Finding entrypoints...
+Copying   web/ => deploy/
+''',
+        exitCode: 0);
+
+    d.dir(appPath, [
+      d.dir('deploy', [
+        d.matcherFile('file.txt', 'contents'),
+        d.nothing('file.dart.js'),
+        d.nothing('file.dart'),
+        d.nothing('subdir')
+      ])
+    ]).validate();
+  });
+}