Update link branches to main (continued) (#146985)

I generalized the analysis to match all `googlesource.com` repos. I also
added a test and fixed more cases.

Part of https://github.com/flutter/flutter/issues/121564

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [x] I listed at least one issue that this PR fixes in the description
above.
- [x] I updated/added relevant documentation (doc comments with `///`).
- [x] I added new tests to check the change I am making, or this PR is
[test-exempt].
- [x] I followed the [breaking change policy] and added [Data Driven
Fixes] where supported.
- [x] All existing and new tests are passing.

If you need help, consider asking for advice on the #hackers-new channel
on [Discord].

<!-- Links -->
[Contributor Guide]:
https://github.com/flutter/flutter/wiki/Tree-hygiene#overview
[Tree Hygiene]: https://github.com/flutter/flutter/wiki/Tree-hygiene
[test-exempt]:
https://github.com/flutter/flutter/wiki/Tree-hygiene#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/wiki/Tree-hygiene#handling-breaking-changes
[Discord]: https://github.com/flutter/flutter/wiki/Chat
[Data Driven Fixes]:
https://github.com/flutter/flutter/wiki/Data-driven-Fixes

dev/bots/analyze.dart

@@ -1316,38 +1316,36 @@ Future<void> verifyRepositoryLinks(String workingDirectory) async {
     'tpn/winsdk-10',
   };
 
-  const List<String> linkPrefixes = <String>[
+  // See dev/bots/test/analyze-test-input/root/packages/foo/bad_repository_links.dart
-    'https://raw.githubusercontent.com/',
+  // for examples of repository links that are not allowed.
-    'https://github.com/',
+  final RegExp pattern = RegExp(r'^(https:\/\/(?:cs\.opensource\.google|github|raw\.githubusercontent|source\.chromium|([a-z0-9\-]+)\.googlesource)\.)');
-  ];
 
   final List<String> problems = <String>[];
   final Set<String> suggestions = <String>{};
-  final List<File> files = await _gitFiles(workingDirectory);
+  final List<File> files = await _allFiles(workingDirectory, null, minimumMatches: 10).toList();
   for (final File file in files) {
-    for (final String linkPrefix in linkPrefixes) {
+    final Uint8List bytes = file.readAsBytesSync();
-      final Uint8List bytes = file.readAsBytesSync();
+    // We allow invalid UTF-8 here so that binaries don't trip us up.
-      // We allow invalid UTF-8 here so that binaries don't trip us up.
+    // There's a separate test in this file that verifies that all text
-      // There's a separate test in this file that verifies that all text
+    // files are actually valid UTF-8 (see verifyNoBinaries below).
-      // files are actually valid UTF-8 (see verifyNoBinaries below).
+    final String contents = utf8.decode(bytes, allowMalformed: true);
-      final String contents = utf8.decode(bytes, allowMalformed: true);
+    int start = 0;
-      int start = 0;
+    while ((start = contents.indexOf('https://', start)) >= 0) { // Find all 'https://' links
-      while ((start = contents.indexOf(linkPrefix, start)) >= 0) {
+      int end = start + 8; // Length of 'https://'
-        int end = start + linkPrefixes.length;
+      while (end < contents.length && !stops.contains(contents[end])) {
-        while (end < contents.length && !stops.contains(contents[end])) {
+        end += 1;
-          end += 1;
+      }
-        }
+      final String url = contents.substring(start, end).replaceAll('\r', '');
-        final String url = contents.substring(start, end);
+
-        if (url.startsWith(linkPrefix) && !repoExceptions.any(url.contains)) {
+      if (pattern.hasMatch(url) && !repoExceptions.any(url.contains)) {
-          if (url.contains('master')) {
+        if (url.contains('master')) {
-            problems.add('${file.path} contains $url, which uses the banned "master" branch.');
+          problems.add('${file.path} contains $url, which uses the banned "master" branch.');
-            suggestions.add('Change the URLs above to the expected pattern by '
+          suggestions.add('Change the URLs above to the expected pattern by '
               'using the "main" branch if it exists, otherwise adding the '
               'repository to the list of exceptions in analyze.dart.');
-          }
         }
-        start = end;
       }
+      start = end;
     }
   }
   assert(problems.isEmpty == suggestions.isEmpty);

dev/bots/test.dart

@@ -143,7 +143,6 @@ Future<void> main(List<String> args) async {
       'framework_coverage': frameworkCoverageRunner,
       'framework_tests': _runFrameworkTests,
       'tool_tests': _runToolTests,
-      // web_tool_tests is also used by HHH: https://dart.googlesource.com/recipes/+/refs/heads/master/recipes/dart/flutter_engine.py
       'web_tool_tests': _runWebToolTests,
       'tool_integration_tests': _runIntegrationToolTests,
       'android_preview_tool_integration_tests': _runAndroidPreviewIntegrationToolTests,

dev/bots/test/analyze-test-input/root/packages/foo/bad_repository_links.dart

@@ -0,0 +1,12 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Check out https://android.googlesource.com/+/master/file1
+// Check out https://chromium.googlesource.com/+/master/file1
+// Check out https://cs.opensource.google.com/+/master/file1
+// Check out https://dart.googlesource.com/+/master/file1
+// Check out https://flutter.googlesource.com/+/master/file1
+// Check out https://source.chromium.org/+/master/file1
+// Check out https://github.com/flutter/flutter/tree/master/file1
+// Check out https://raw.githubusercontent.com/flutter/flutter/blob/master/file1

dev/bots/test/analyze_test.dart

@@ -147,6 +147,31 @@ void main() {
     );
   });
 
+  test('analyze.dart - verifyRepositoryLinks', () async {
+    final String result = await capture(() => verifyRepositoryLinks(testRootPath), shouldHaveErrors: true);
+    const String bannedBranch = 'master';
+    final String file = Platform.isWindows ?
+      r'test\analyze-test-input\root\packages\foo\bad_repository_links.dart' :
+      'test/analyze-test-input/root/packages/foo/bad_repository_links.dart';
+    final String lines = <String>[
+        '║ $file contains https://android.googlesource.com/+/$bannedBranch/file1, which uses the banned "master" branch.',
+        '║ $file contains https://chromium.googlesource.com/+/$bannedBranch/file1, which uses the banned "master" branch.',
+        '║ $file contains https://cs.opensource.google.com/+/$bannedBranch/file1, which uses the banned "master" branch.',
+        '║ $file contains https://dart.googlesource.com/+/$bannedBranch/file1, which uses the banned "master" branch.',
+        '║ $file contains https://flutter.googlesource.com/+/$bannedBranch/file1, which uses the banned "master" branch.',
+        '║ $file contains https://source.chromium.org/+/$bannedBranch/file1, which uses the banned "master" branch.',
+        '║ $file contains https://github.com/flutter/flutter/tree/$bannedBranch/file1, which uses the banned "master" branch.',
+        '║ $file contains https://raw.githubusercontent.com/flutter/flutter/blob/$bannedBranch/file1, which uses the banned "master" branch.',
+        '║ Change the URLs above to the expected pattern by using the "main" branch if it exists, otherwise adding the repository to the list of exceptions in analyze.dart.',
+      ]
+      .join('\n');
+    expect(result,
+      '╔═╡ERROR #1╞════════════════════════════════════════════════════════════════════\n'
+      '$lines\n'
+      '╚═══════════════════════════════════════════════════════════════════════════════\n'
+    );
+  });
+
   test('analyze.dart - verifyNoBinaries - positive', () async {
     final String result = await capture(() => verifyNoBinaries(
       testRootPath,

dev/customer_testing/ci.bat

@@ -6,7 +6,7 @@ REM found in the LICENSE file.
 REM This should match the ci.sh file in this directory.
 
 REM This is called from the LUCI recipes:
-REM https://flutter.googlesource.com/recipes/+/refs/heads/master/recipe_modules/adhoc_validation/resources/customer_testing.bat
+REM https://github.com/flutter/flutter/blob/main/dev/bots/suite_runners/run_customer_testing_tests.dart
 
 ECHO.
 ECHO Updating pub packages...

dev/customer_testing/ci.sh

@@ -6,7 +6,7 @@
 # This should match the ci.bat file in this directory.
 
 # This is called from .cirrus.yml and the LUCI recipes:
-# https://flutter.googlesource.com/recipes/+/refs/heads/master/recipe_modules/adhoc_validation/resources/customer_testing.sh
+# https://github.com/flutter/flutter/blob/main/dev/bots/suite_runners/run_customer_testing_tests.dart
 
 set -ex
 

packages/flutter/lib/src/gestures/monodrag.dart

@@ -669,7 +669,7 @@ abstract class DragGestureRecognizer extends OneSequenceGestureRecognizer {
   // it keeps track of the last accepted pointer. If this active pointer
   // leave up, it will be set to the first accepted pointer.
   // Refer to the implementation of Android `RecyclerView`(line 3846):
-  // https://android.googlesource.com/platform/frameworks/support/+/refs/heads/androidx-master-dev/recyclerview/recyclerview/src/main/java/androidx/recyclerview/widget/RecyclerView.java
+  // https://android.googlesource.com/platform/frameworks/support/+/refs/heads/androidx-main/recyclerview/recyclerview/src/main/java/androidx/recyclerview/widget/RecyclerView.java
   int? _activePointer;
 
   @override