feat(cli): Support FVM for SDK config (#349)

When `.fvmrc` exists in a project directory, use the tagged FVM SDK instead of the default.

Author: dnys1

.github/workflows/celest_cli.yaml

@@ -41,6 +41,11 @@ jobs:
           # Because many golden tests encode the precise Dart/Flutter SDKs used to generate
           # them, these values must be consistently used when running tests locally and in CI.
           flutter-version: 3.29.3
+      # Needed for testing FVM integration and cross-compilation.
+      - name: Install FVM
+        run: |
+          dart pub global activate fvm
+          dart pub global run fvm:main install 3.32.0-0.2.pre
       - name: Setup Libsecret
         if: runner.os == 'Linux'
         run: tool/setup-ci.sh

apps/cli/.gitignore

@@ -7,5 +7,6 @@ build/
 
 tool/debug
 **/*.dill
+**/*.exe
 **/*.pkg
 vm_service_info.json

apps/cli/fixtures/fixtures_test.dart

@@ -133,7 +133,9 @@ class TestRunner {
 
   static Future<void> _warmUp(String projectRoot) {
     return Isolate.run(() async {
-      final sdkResult = await const DartSdkFinder().findSdk();
+      final sdkResult = await DartSdkFinder(
+        projectRoot: projectRoot,
+      ).findSdk();
       Sdk.current = sdkResult.sdk;
       return CelestAnalyzer.warmUp(projectRoot);
     });
@@ -142,7 +144,17 @@ class TestRunner {
   void run() {
     group(testName, () {
       setUpAll(() async {
-        final sdkResult = await const DartSdkFinder().findSdk();
+        if (fileSystem.file(p.join(projectRoot, '.fvmrc')).existsSync()) {
+          final res = Process.runSync(
+            'fvm',
+            ['use'],
+            workingDirectory: projectRoot,
+          );
+          expect(res.exitCode, 0, reason: '${res.stdout}\n${res.stderr}');
+        }
+        final sdkResult = await DartSdkFinder(
+          projectRoot: projectRoot,
+        ).findSdk();
         Sdk.current = sdkResult.sdk;
         await runPub(
           exe: Platform.resolvedExecutable,
@@ -394,6 +406,10 @@ class TestRunner {
       expect(project, isNotNull);
 
       final frontend = CelestFrontend();
+      final buildDir = fileSystem.directory(projectPaths.buildDir);
+      if (buildDir.existsSync()) {
+        buildDir.deleteSync(recursive: true);
+      }
       final result = await frontend.build(
         migrateProject: false,
         currentProgress: cliLogger.progress('Building project...'),
@@ -404,7 +420,14 @@ class TestRunner {
       final outputDir = projectPaths.buildDir;
       final imageName = '$testName-${Random().nextInt(1000000)}';
       final dockerBuild = await processManager.run(
-        ['docker', 'build', '-t', imageName, '.'],
+        [
+          'docker',
+          'build',
+          '-t',
+          imageName,
+          if (testName case 'fvm' || 'flutter') '--platform=linux/amd64',
+          '.',
+        ],
         workingDirectory: outputDir,
       );
       expect(
@@ -427,6 +450,7 @@ class TestRunner {
           '--rm',
           '-p',
           '$openPort:8080',
+          if (testName case 'fvm' || 'flutter') '--platform=linux/amd64',
           for (final database in project!.databases.values)
             if (database.config case ast.CelestDatabaseConfig(:final hostname))
               '--env=${hostname.name}=file::memory:',

apps/cli/fixtures/standalone/fvm/.fvmrc

@@ -0,0 +1,3 @@
+{
+  "flutter": "3.32.0-0.2.pre"
+}

apps/cli/fixtures/standalone/fvm/.gitignore

@@ -0,0 +1,11 @@
+# Dart
+.dart_tool/
+pubspec.lock
+
+# Celest
+build/
+.env
+.env.*
+
+# FVM Version Cache
+.fvm/

apps/cli/fixtures/standalone/fvm/.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "dart.flutterSdkPath": ".fvm/versions/3.32.0-0.2.pre"
+}

apps/cli/fixtures/standalone/fvm/analysis_options.yaml

@@ -0,0 +1,5 @@
+include: package:lints/recommended.yaml
+
+analyzer:
+  errors:
+    depend_on_referenced_packages: ignore

apps/cli/fixtures/standalone/fvm/client/lib/fvm_client.dart

@@ -0,0 +1,83 @@
+// Generated by Celest. This file should not be modified manually, but
+// it can be checked into version control.
+// ignore_for_file: type=lint, unused_local_variable, unnecessary_cast, unnecessary_import, deprecated_member_use, invalid_use_of_internal_member
+
+library; // ignore_for_file: no_leading_underscores_for_library_prefixes
+
+import 'dart:io';
+
+import 'package:celest_core/_internal.dart' as _$celest;
+import 'package:celest_core/celest_core.dart' as _$celest;
+import 'package:celest_core/src/util/globals.dart' as _$celest;
+import 'package:fvm_client/src/functions.dart';
+import 'package:fvm_client/src/serializers.dart';
+import 'package:http/http.dart' as _$http_http;
+import 'package:native_storage/native_storage.dart'
+    as _$native_storage_native_storage;
+
+export 'package:celest_backend/src/functions/greeting.dart'
+    show BadNameException, Person;
+
+final Celest celest = Celest();
+
+enum CelestEnvironment {
+  local,
+  production;
+
+  Uri get baseUri => switch (this) {
+        local => _$celest.kIsWeb || !Platform.isAndroid
+            ? Uri.parse('http://localhost:7777')
+            : Uri.parse('http://10.0.2.2:7777'),
+        production => Uri.parse('https://example.celest.run'),
+      };
+}
+
+class Celest with _$celest.CelestBase {
+  var _initialized = false;
+
+  late CelestEnvironment _currentEnvironment;
+
+  late final _$native_storage_native_storage.NativeStorage nativeStorage =
+      _$native_storage_native_storage.NativeStorage(scope: 'celest');
+
+  @override
+  late _$http_http.Client httpClient =
+      _$celest.CelestHttpClient(secureStorage: nativeStorage.secure);
+
+  late Uri _baseUri;
+
+  final _functions = CelestFunctions();
+
+  T _checkInitialized<T>(T Function() value) {
+    if (!_initialized) {
+      throw StateError(
+          'Celest has not been initialized. Make sure to call `celest.init()` at the start of your `main` method.');
+    }
+    return value();
+  }
+
+  CelestEnvironment get currentEnvironment =>
+      _checkInitialized(() => _currentEnvironment);
+
+  @override
+  Uri get baseUri => _checkInitialized(() => _baseUri);
+
+  CelestFunctions get functions => _checkInitialized(() => _functions);
+
+  void init({
+    CelestEnvironment environment = CelestEnvironment.local,
+    _$celest.Serializers? serializers,
+  }) {
+    if (_initialized) {
+      _reset();
+    }
+    _currentEnvironment = environment;
+    _baseUri = environment.baseUri;
+    initSerializers(serializers: serializers);
+    _initialized = true;
+  }
+
+  void _reset() {
+    _initialized = false;
+  }
+}