Start pulling pub from its own repo.

sdk/lib/_internal/pub/test/build/preserves_htaccess_test.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.
-
-import '../descriptor.dart' as d;
-import '../test_pub.dart';
-
-main() {
-  initConfig();
-
-  integration("preserves .htaccess as a special case", () {
-    d.dir(appPath, [
-      d.appPubspec(),
-      d.dir('web', [
-        d.file('.htaccess', 'fblthp'),
-        d.file('.hidden', 'asdfgh')
-      ])
-    ]).create();
-
-    schedulePub(args: ["build"],
-        output: new RegExp(r'Built \d+ files? to "build".'));
-
-    d.dir(appPath, [
-      d.dir('build', [
-        d.dir('web', [
-          d.file('.htaccess', 'fblthp'),
-          d.nothing('.hidden')
-        ])
-      ])
-    ]).validate();
-  });
-}