From cb5865d86c641a6d36c2d201909e8898820fbccd Mon Sep 17 00:00:00 2001
From: Jonah Williams <jonahwilliams@google.com>
Date: Tue, 20 Oct 2020 09:50:31 -0700
Subject: [PATCH] [flutter_tools] add some versions to tool sources, cleanup
 build.yaml (#68624)

---
 packages/flutter_tools/bin/tool_backend.dart        | 2 ++
 packages/flutter_tools/build.yaml                   | 8 --------
 packages/flutter_tools/tool/daemon_client.dart      | 2 ++
 packages/flutter_tools/tool/global_count.dart       | 2 ++
 packages/flutter_tools/tool/screenshot_decoder.dart | 2 ++
 packages/flutter_tools/tool/unit_coverage.dart      | 2 ++
 6 files changed, 10 insertions(+), 8 deletions(-)
 delete mode 100644 packages/flutter_tools/build.yaml

diff --git a/packages/flutter_tools/bin/tool_backend.dart b/packages/flutter_tools/bin/tool_backend.dart
index 9df4aa01017..678d10a0050 100644
--- a/packages/flutter_tools/bin/tool_backend.dart
+++ b/packages/flutter_tools/bin/tool_backend.dart
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// @dart = 2.9
+
 // Do not add package imports to this file.
 import 'dart:convert'; // ignore: dart_convert_import.
 import 'dart:io'; // ignore: dart_io_import.
diff --git a/packages/flutter_tools/build.yaml b/packages/flutter_tools/build.yaml
deleted file mode 100644
index c2d33c80433..00000000000
--- a/packages/flutter_tools/build.yaml
+++ /dev/null
@@ -1,8 +0,0 @@
-targets:
-  $default:
-    builders:
-      build_web_compilers|entrypoint:
-        enabled: false
-    sources:
-      exclude:
-        - "test/data/**"
diff --git a/packages/flutter_tools/tool/daemon_client.dart b/packages/flutter_tools/tool/daemon_client.dart
index 1c3b5efe175..abc9e585622 100644
--- a/packages/flutter_tools/tool/daemon_client.dart
+++ b/packages/flutter_tools/tool/daemon_client.dart
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// @dart = 2.9
+
 import 'dart:convert';
 import 'dart:io';
 
diff --git a/packages/flutter_tools/tool/global_count.dart b/packages/flutter_tools/tool/global_count.dart
index 89b18dc3a1a..a1c269e3cef 100644
--- a/packages/flutter_tools/tool/global_count.dart
+++ b/packages/flutter_tools/tool/global_count.dart
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// @dart = 2.9
+
 import 'dart:io';
 import 'package:path/path.dart' as path;
 
diff --git a/packages/flutter_tools/tool/screenshot_decoder.dart b/packages/flutter_tools/tool/screenshot_decoder.dart
index 9e09e80a7d2..47eb1578198 100644
--- a/packages/flutter_tools/tool/screenshot_decoder.dart
+++ b/packages/flutter_tools/tool/screenshot_decoder.dart
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// @dart = 2.9
+
 import 'dart:convert';
 import 'dart:io';
 
diff --git a/packages/flutter_tools/tool/unit_coverage.dart b/packages/flutter_tools/tool/unit_coverage.dart
index 7f36c36d254..1e7518c968c 100644
--- a/packages/flutter_tools/tool/unit_coverage.dart
+++ b/packages/flutter_tools/tool/unit_coverage.dart
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// @dart = 2.9
+
 import 'dart:io';
 
 /// Produces a per-library coverage summary when fed an lcov file, sorted by