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diff --git a/packages/flutter_tools/lib/src/cache.dart b/packages/flutter_tools/lib/src/cache.dart
index dd80b1e46e..8e54517765 100644
--- a/packages/flutter_tools/lib/src/cache.dart
+++ b/packages/flutter_tools/lib/src/cache.dart
@@ -22,6 +22,7 @@ import 'base/user_messages.dart';
import 'build_info.dart';
import 'convert.dart';
import 'features.dart';
+import 'globals.dart' as globals;
const String kFlutterRootEnvironmentVariableName = 'FLUTTER_ROOT'; // should point to //flutter/ (root of flutter/flutter repo)
const String kFlutterEngineEnvironmentVariableName = 'FLUTTER_ENGINE'; // should point to //engine/src/ (root of flutter/engine repo)
@@ -318,8 +319,13 @@ class Cache {
return;
}
assert(_lock == null);
+ final Directory dir = _fileSystem.directory(_fileSystem.path.join(globals.fsUtils.homeDirPath!, '.cache', 'flutter'));
+ if (!dir.existsSync()) {
+ dir.createSync(recursive: true);
+ globals.os.chmod(dir, '755');
+ }
final File lockFile =
- _fileSystem.file(_fileSystem.path.join(flutterRoot!, 'bin', 'cache', 'lockfile'));
+ _fileSystem.file(_fileSystem.path.join(globals.fsUtils.homeDirPath!, '.cache', 'flutter', 'lockfile'));
try {
_lock = lockFile.openSync(mode: FileMode.write);
} on FileSystemException catch (e) {
@@ -378,8 +384,7 @@ class Cache {
String get devToolsVersion {
if (_devToolsVersion == null) {
- const String devToolsDirPath = 'dart-sdk/bin/resources/devtools';
- final Directory devToolsDir = getCacheDir(devToolsDirPath, shouldCreate: false);
+ final Directory devToolsDir = _fileSystem.directory(_fileSystem.path.join(flutterRoot!, 'bin/cache/dart-sdk/bin/resources/devtools'));
if (!devToolsDir.existsSync()) {
throw Exception('Could not find directory at ${devToolsDir.path}');
}
diff --git a/packages/flutter_tools/lib/src/cache.dart b/packages/flutter_tools/lib/src/cache.dart
index 1c31c1b5db..76c7210d3b 100644
--- a/packages/flutter_tools/lib/src/cache.dart
+++ b/packages/flutter_tools/lib/src/cache.dart
@@ -529,6 +529,11 @@ class Cache {
/// Return the top-level directory in the cache; this is `bin/cache`.
Directory getRoot() {
+ const Platform platform = LocalPlatform();
+ if (platform.environment.containsKey('FLUTTER_CACHE_DIR')) {
+ return _fileSystem.directory(platform.environment['FLUTTER_CACHE_DIR']);
+ }
+
if (_rootOverride != null) {
return _fileSystem.directory(_fileSystem.path.join(_rootOverride!.path, 'bin', 'cache'));
} else {
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