Add a "pub deploy" command.

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

Index: sdk/lib/_internal/pub/test/deploy/ignores_non_entrypoint_dart_files.dart
diff --git a/sdk/lib/_internal/pub/test/deploy/ignores_non_entrypoint_dart_files.dart b/sdk/lib/_internal/pub/test/deploy/ignores_non_entrypoint_dart_files.dart
new file mode 100644
index 0000000000000000000000000000000000000000..249d5616fa75884e92e444c1315390c001549975
--- /dev/null
+++ b/sdk/lib/_internal/pub/test/deploy/ignores_non_entrypoint_dart_files.dart
@@ -0,0 +1,44 @@
+// 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("ignores non-entrypoint Dart files", () {
+    d.dir(appPath, [
+      d.appPubspec([]),
+      d.dir('web', [
+        d.file('file1.dart', 'var main = () => print("hello");'),
+        d.file('file2.dart', 'void main(arg) => print("hello");'),
+        d.file('file3.dart', 'class Foo { void main() => print("hello"); }'),
+        d.file('file4.dart', 'var foo;')
+      ])
+    ]).create();
+
+    schedulePub(args: ["deploy"],
+        output: '''
+Finding entrypoints...
+Copying   web/ => deploy/
+''',
+        exitCode: 0);
+
+    d.dir(appPath, [
+      d.dir('deploy', [
+        d.nothing('file1.dart.js'),
+        d.nothing('file1.dart'),
+        d.nothing('file2.dart.js'),
+        d.nothing('file2.dart'),
+        d.nothing('file3.dart.js'),
+        d.nothing('file3.dart')
+        d.nothing('file4.dart.js'),
+        d.nothing('file4.dart')
+      ])
+    ]).validate();
+  });
+}