[flutter_tools] add EPERM to set of immediate exit errors (#66159)

packages/flutter_tools/lib/src/base/error_handling_io.dart

@@ -297,6 +297,36 @@ class ErrorHandlingDirectory
     );
   }
 
+  @override
+  Future<Directory> create({bool recursive = false}) {
+    return _run<Directory>(
+      () async => wrap(await delegate.create(recursive: recursive)),
+      platform: _platform,
+      failureMessage:
+        'Flutter failed to create a directory at "${delegate.path}"',
+    );
+  }
+
+  @override
+  Future<Directory> delete({bool recursive = false}) {
+    return _run<Directory>(
+      () async => wrap(fileSystem.directory((await delegate.delete(recursive: recursive)).path)),
+      platform: _platform,
+      failureMessage:
+        'Flutter failed to delete a directory at "${delegate.path}"',
+    );
+  }
+
+  @override
+  void deleteSync({bool recursive = false}) {
+    return _runSync<void>(
+      () => delegate.deleteSync(recursive: recursive),
+      platform: _platform,
+      failureMessage:
+        'Flutter failed to delete a directory at "${delegate.path}"',
+    );
+  }
+
   @override
   String toString() => delegate.toString();
 }
@@ -495,6 +525,7 @@ void _handlePosixException(Exception e, String message, int errorCode) {
   // https://github.com/torvalds/linux/blob/master/include/uapi/asm-generic/errno.h
   // https://github.com/torvalds/linux/blob/master/include/uapi/asm-generic/errno-base.h
   // https://github.com/apple/darwin-xnu/blob/master/bsd/dev/dtrace/scripts/errno.d
+  const int eperm = 1;
   const int enospc = 28;
   const int eacces = 13;
   // Catch errors and bail when:
@@ -506,9 +537,10 @@ void _handlePosixException(Exception e, String message, int errorCode) {
         'Free up space and try again.',
       );
       break;
+    case eperm:
     case eacces:
       throwToolExit(
-        '$message. The flutter tool cannot access the file.\n'
+        '$message. The flutter tool cannot access the file or directory.\n'
         'Please ensure that the SDK and/or project is installed in a location '
         'that has read/write permissions for the current user.'
       );

packages/flutter_tools/test/general.shard/base/error_handling_io_test.dart

@@ -85,6 +85,14 @@ void setupDirectoryMocks({
     .thenThrow(FileSystemException('', '', OSError('', errorCode)));
   when(mockDirectory.createSync(recursive: anyNamed('recursive')))
     .thenThrow(FileSystemException('', '', OSError('', errorCode)));
+  when(mockDirectory.create())
+    .thenThrow(FileSystemException('', '', OSError('', errorCode)));
+  when(mockDirectory.createSync())
+    .thenThrow(FileSystemException('', '', OSError('', errorCode)));
+  when(mockDirectory.delete())
+    .thenThrow(FileSystemException('', '', OSError('', errorCode)));
+  when(mockDirectory.deleteSync())
+    .thenThrow(FileSystemException('', '', OSError('', errorCode)));
 }
 
 void main() {
@@ -198,6 +206,7 @@ void main() {
   });
 
   group('throws ToolExit on Linux', () {
+    const int eperm = 1;
     const int enospc = 28;
     const int eacces = 13;
     MockFileSystem mockFileSystem;
@@ -221,7 +230,7 @@ void main() {
 
       final File file = fs.file('file');
 
-      const String expectedMessage = 'The flutter tool cannot access the file';
+      const String expectedMessage = 'The flutter tool cannot access the file or directory';
       expect(() async => await file.writeAsBytes(<int>[0]),
              throwsToolExit(message: expectedMessage));
       expect(() async => await file.writeAsString(''),
@@ -234,6 +243,26 @@ void main() {
              throwsToolExit(message: expectedMessage));
     });
 
+    testWithoutContext('when access is denied for directories', () async {
+      setupDirectoryMocks(
+        mockFileSystem: mockFileSystem,
+        fs: fs,
+        errorCode: eperm,
+      );
+
+      final Directory directory = fs.directory('file');
+
+      const String expectedMessage = 'The flutter tool cannot access the file or directory';
+      expect(() async => await directory.create(),
+             throwsToolExit(message: expectedMessage));
+      expect(() async => await directory.delete(),
+             throwsToolExit(message: expectedMessage));
+      expect(() => directory.createSync(),
+             throwsToolExit(message: expectedMessage));
+      expect(() => directory.deleteSync(),
+             throwsToolExit(message: expectedMessage));
+    });
+
     testWithoutContext('when writing to a full device', () async {
       setupWriteMocks(
         mockFileSystem: mockFileSystem,
@@ -273,6 +302,7 @@ void main() {
 
 
   group('throws ToolExit on macOS', () {
+    const int eperm = 1;
     const int enospc = 28;
     const int eacces = 13;
     MockFileSystem mockFileSystem;
@@ -309,6 +339,26 @@ void main() {
              throwsToolExit(message: expectedMessage));
     });
 
+    testWithoutContext('when access is denied for directories', () async {
+      setupDirectoryMocks(
+        mockFileSystem: mockFileSystem,
+        fs: fs,
+        errorCode: eperm,
+      );
+
+      final Directory directory = fs.directory('file');
+
+      const String expectedMessage = 'The flutter tool cannot access the file or directory';
+      expect(() async => await directory.create(),
+             throwsToolExit(message: expectedMessage));
+      expect(() async => await directory.delete(),
+             throwsToolExit(message: expectedMessage));
+      expect(() => directory.createSync(),
+             throwsToolExit(message: expectedMessage));
+      expect(() => directory.deleteSync(),
+             throwsToolExit(message: expectedMessage));
+    });
+
     testWithoutContext('when writing to a full device', () async {
       setupWriteMocks(
         mockFileSystem: mockFileSystem,