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// Copyright (c) 2020, 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:io';
import 'package:expect/expect.dart';
Future<void> main() async {
final origDir = Directory.current;
final exePath = Platform.resolvedExecutable;
final d = Directory.systemTemp.createTempSync('dart_symlink');
// Roughly emulate a Brew installation:
// - $BREW/bin/dart -> ../Cellar/dart/2.8.0-dev.20.0/bin/dart
// - $BREW/Cellar/dart/2.8.0-dev.20.0/bin/dart -> $DART_SDK/bin/dart
final a = Directory('${d.path}/usr/local/bin');
a.createSync(recursive: true);
// /usr/local/Cellar/dart/2.8.0-dev.20.0/bin/dart -> $DART_SDK/bin/dart
Directory.current = a;
final linkLocation = '${d.path}/usr/local/bin/Cellar/dart/2.8.0-dev.20.0/bin/dart';
final link = Link(linkLocation);
link.createSync(exePath, recursive: true);
// /usr/local/bin/dart -> /usr/local/Cellar/dart/2.8.0-dev.20/bin/dart
final link2 = Link('dart')..createSync(linkLocation, recursive: true);
final path = Uri.parse(link2.absolute.path).path;
Directory.current = origDir;
final result = await Process.run('$path', ['help']);
Expect.equals(result.exitCode, 0);
}