| // Copyright (c) 2023, 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 'dart:async'; |
| |
| import 'package:collection/collection.dart'; |
| |
| import '../validator.dart'; |
| |
| /// Validates that a package files all are unique even after case-normalization. |
| class FileCaseValidator extends Validator { |
| @override |
| Future validate() async { |
| final lowerCaseToFile = <String, String>{}; |
| for (final file in files.sorted()) { |
| final lowerCase = file.toLowerCase(); |
| final existing = lowerCaseToFile[lowerCase]; |
| if (existing != null) { |
| errors.add(''' |
| The file $file and $existing only differ in capitalization. |
| |
| This is not supported across platforms. |
| |
| Try renaming one of them. |
| '''); |
| break; |
| } |
| lowerCaseToFile[lowerCase] = file; |
| } |
| } |
| } |