update sdk dep; upgrade to the latest package:lints

.github/workflows/dart.yml

@@ -12,10 +12,15 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-
+    strategy:
+      fail-fast: false
+      matrix:
+        sdk: ['3.0', stable, beta]
     steps:
       - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
-      - uses: dart-lang/setup-dart@d6a63dab3335f427404425de0fbfed4686d93c4f
+      - uses: dart-lang/setup-dart@b64355ae6ca0b5d484f0106a033dd1388965d06d
+        with:
+          sdk: ${{ matrix.sdk }}
 
       - name: Install dependencies
         run: dart pub get

CHANGELOG.md

@@ -1,3 +1,8 @@
+## 0.9.5
+
+- Update the SDK constraint to 3.0.
+- Rev to the latest version of `package:lints`.
+
 ## 0.9.4
 
 - Update the SDK constraint to `>=2.17.0 <4.0.0`.

bin/_boot.dart

@@ -6,6 +6,8 @@
 /// The main entry-point (`bin/grinder.dart`) trampolines into a different
 /// script; running with `_boot.dart` instead allows you to hit breakpoints when
 /// debugging.
+library;
+
 import 'package:grinder/grinder.dart';
 
 Future<dynamic> main(List<String> args) => grind(args);

lib/grinder_sdk.dart

@@ -547,7 +547,7 @@ String? _parseVersion(String output) {
 }
 
 class _PubGlobalApp extends PubApp {
-  _PubGlobalApp(String packageName) : super._(packageName);
+  _PubGlobalApp(super.packageName) : super._();
 
   @override
   bool get isGlobal => true;
@@ -580,7 +580,7 @@ class _PubGlobalApp extends PubApp {
 }
 
 class _PubLocalApp extends PubApp {
-  _PubLocalApp(String packageName) : super._(packageName);
+  _PubLocalApp(super.packageName) : super._();
 
   @override
   bool get isGlobal => false;

lib/src/annotations.dart

@@ -50,5 +50,5 @@ class Depends {
 ///
 /// Use this instead of [Task] when defining the default task.
 class DefaultTask extends Task {
-  const DefaultTask([String? description]) : super(description);
+  const DefaultTask([super.description]);
 }

lib/src/cli.dart

@@ -13,7 +13,7 @@ import 'cli_util.dart';
 import 'singleton.dart' as singleton;
 
 // This version must be updated in tandem with the pubspec version.
-const String appVersion = '0.9.4';
+const String appVersion = '0.9.5';
 
 List<String> grinderArgs() {
   if (_args == null) fail('grinderArgs() may only be called after grind().');

pubspec.yaml

@@ -1,13 +1,13 @@
 name: grinder
 # This version must be updated in tandem with the lib/src/cli.dart version.
-version: 0.9.4
+version: 0.9.5
 description: >-
   Grinder is a task runner for Dart, helping to define and automate common
   project workflows.
 repository: https://github.com/google/grinder.dart
 
 environment:
-  sdk: '>=2.17.0 <4.0.0'
+  sdk: ^3.0.0
 
 dependencies:
   cli_util: ^0.4.0
@@ -17,7 +17,7 @@ dependencies:
   collection: ^1.15.0
 
 dev_dependencies:
-  lints: ^2.0.0
+  lints: ^3.0.0
   test: ^1.17.0
 
 executables:

tool/grind.dart

@@ -28,7 +28,7 @@ void checkInit() {
     final pubspec = temp.join('pubspec.yaml').createFile();
     pubspec.writeAsStringSync('''name: foo
 environment:
-  sdk: '>=2.10.0 <3.0.0'
+  sdk: '^3.0.0'
 
 dependencies:
   grinder: