Still cannot get "enabled: false" to impact the generated "build.dart…

…" file

_test/build.yaml

@@ -11,3 +11,9 @@ targets:
           - test/hello_world_custom_html_test.dart.browser_test.dart
           - test/other_test.dart.browser_test.dart
           - test/sub-dir/subdir_test.dart.browser_test.dart
+      # HELP: the settings below won't have any effect on the builders applied in `build.dart`
+      provides_builder|not_enabled_builder:
+        enabled: false
+      # HELP: Only when adding (even an empty) `other_builder.build.yaml` file, the builder won't show up in `build.dart`
+      other_builder|other_builder:
+        enabled: false

_test/other_builder.build.yaml

@@ -0,0 +1,5 @@
+#---
+## disable all inherited "provides_builder" builders...
+#targets:
+#  $default:
+#    auto_apply_builders: false

_test/pkgs/other_builder/build.yaml

@@ -0,0 +1,5 @@
+builders:
+  other_builder:
+    import: "package:provides_builder/builders.dart"
+    builder_factories: ["someBuilder"]
+    build_extensions: {".dart": [".something.dart"]}

_test/pkgs/other_builder/lib/builders.dart

@@ -0,0 +1,36 @@
+// Copyright (c) 2017, 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:build/build.dart';
+
+class _SomeBuilder implements Builder {
+  const _SomeBuilder();
+
+  factory _SomeBuilder.fromOptions(BuilderOptions options) {
+    if (options.config['throw_in_constructor'] == true) {
+      throw StateError('Throwing on purpose cause you asked for it!');
+    }
+    return const _SomeBuilder();
+  }
+
+  @override
+  final buildExtensions = const {
+    '.dart': ['.something.dart']
+  };
+
+  @override
+  Future build(BuildStep buildStep) async {
+    if (!await buildStep.canRead(buildStep.inputId)) return;
+
+    await buildStep.writeAsBytes(
+        buildStep.inputId.changeExtension('.something.dart'),
+        buildStep.readAsBytes(buildStep.inputId));
+  }
+}
+
+
+Builder otherBuilder(BuilderOptions options) =>
+    _SomeBuilder.fromOptions(options);

_test/pkgs/other_builder/pubspec.yaml

@@ -0,0 +1,10 @@
+name: other_builder
+
+environment:
+  sdk: ^3.0.0
+
+dependencies:
+  build:
+    path: ../../../build
+  provides_builder:
+    path: ../provides_builder

_test/pubspec.yaml

@@ -16,6 +16,8 @@ dev_dependencies:
   build_web_compilers: any
   dart_flutter_team_lints: ^2.0.0
   io: ^1.0.0
+  other_builder:
+    path: pkgs/other_builder/
   path: ^1.8.0
   provides_builder:
     path: pkgs/provides_builder/