refactor(shorebird_cli): ShorebirdFlutterManager use Git wrapper

packages/shorebird_cli/bin/shorebird.dart

@@ -10,6 +10,7 @@ import 'package:shorebird_cli/src/cache.dart';
 import 'package:shorebird_cli/src/code_push_client_wrapper.dart';
 import 'package:shorebird_cli/src/command_runner.dart';
 import 'package:shorebird_cli/src/doctor.dart';
+import 'package:shorebird_cli/src/git.dart';
 import 'package:shorebird_cli/src/gradlew.dart';
 import 'package:shorebird_cli/src/ios_deploy.dart';
 import 'package:shorebird_cli/src/java.dart';
@@ -37,6 +38,7 @@ Future<void> main(List<String> args) async {
         codePushClientWrapperRef,
         doctorRef,
         engineConfigRef,
+        gitRef,
         gradlewRef,
         iosDeployRef,
         javaRef,

packages/shorebird_cli/lib/src/git.dart

@@ -1,7 +1,14 @@
 import 'dart:io';
 
+import 'package:scoped/scoped.dart';
 import 'package:shorebird_cli/src/process.dart';
 
+/// A reference to a [Git] instance.
+final gitRef = create(Git.new);
+
+/// The [Git] instance available in the current zone.
+Git get git => read(gitRef);
+
 /// A wrapper around all git related functionality.
 class Git {
   static const executable = 'git';

packages/shorebird_cli/lib/src/shorebird_flutter_manager.dart

@@ -2,7 +2,7 @@ import 'dart:io';
 
 import 'package:path/path.dart' as p;
 import 'package:scoped/scoped.dart';
-import 'package:shorebird_cli/src/process.dart';
+import 'package:shorebird_cli/src/git.dart';
 import 'package:shorebird_cli/src/shorebird_env.dart';
 
 /// A reference to a [ShorebirdFlutterManager] instance.
@@ -28,51 +28,21 @@ class ShorebirdFlutterManager {
       p.join(shorebirdEnv.flutterDirectory.parent.path, revision),
     );
     if (targetDirectory.existsSync()) return;
-    const executable = 'git';
 
     // Clone the Shorebird Flutter repo into the target directory.
-    final cloneArgs = [
-      'clone',
-      '--filter=tree:0',
-      flutterGitUrl,
-      '--no-checkout',
-      targetDirectory.path,
-    ];
-    final cloneResult = await process.run(
-      executable,
-      cloneArgs,
-      runInShell: true,
+    await git.clone(
+      url: flutterGitUrl,
+      outputDirectory: targetDirectory.path,
+      args: [
+        '--filter=tree:0',
+        '--no-checkout',
+      ],
     );
-    if (cloneResult.exitCode != 0) {
-      throw ProcessException(
-        executable,
-        cloneArgs,
-        '${cloneResult.stderr}',
-        cloneResult.exitCode,
-      );
-    }
 
     // Checkout the correct revision.
-    final checkoutArgs = [
-      '-C',
-      targetDirectory.path,
-      '-c',
-      'advice.detachedHead=false',
-      'checkout',
-      revision,
-    ];
-    final checkoutResult = await process.run(
-      executable,
-      checkoutArgs,
-      runInShell: true,
+    await git.checkout(
+      directory: targetDirectory.path,
+      revision: revision,
     );
-    if (checkoutResult.exitCode != 0) {
-      throw ProcessException(
-        executable,
-        checkoutArgs,
-        '${checkoutResult.stderr}',
-        checkoutResult.exitCode,
-      );
-    }
   }
 }

packages/shorebird_cli/test/src/shorebird_flutter_manager_test.dart

@@ -1,36 +1,30 @@
 import 'dart:io';
 
-import 'package:mason_logger/mason_logger.dart';
 import 'package:mocktail/mocktail.dart';
 import 'package:path/path.dart' as p;
 import 'package:scoped/scoped.dart';
-import 'package:shorebird_cli/src/process.dart';
+import 'package:shorebird_cli/src/git.dart';
 import 'package:shorebird_cli/src/shorebird_env.dart';
 import 'package:shorebird_cli/src/shorebird_flutter_manager.dart';
 import 'package:test/test.dart';
 
-class _MockShorebirdEnv extends Mock implements ShorebirdEnv {}
-
-class _MockShorebirdProcess extends Mock implements ShorebirdProcess {}
+class _MockGit extends Mock implements Git {}
 
-class _MockShorebirdProcessResult extends Mock
-    implements ShorebirdProcessResult {}
+class _MockShorebirdEnv extends Mock implements ShorebirdEnv {}
 
 void main() {
   group(ShorebirdFlutterManager, () {
     late Directory shorebirdRoot;
     late Directory flutterDirectory;
+    late Git git;
     late ShorebirdEnv shorebirdEnv;
-    late ShorebirdProcessResult cloneProcessResult;
-    late ShorebirdProcessResult checkoutProcessResult;
-    late ShorebirdProcess shorebirdProcess;
     late ShorebirdFlutterManager shorebirdFlutterManager;
 
     R runWithOverrides<R>(R Function() body) {
       return runScoped(
         body,
         values: {
-          processRef.overrideWith(() => shorebirdProcess),
+          gitRef.overrideWith(() => git),
           shorebirdEnvRef.overrideWith(() => shorebirdEnv),
         },
       );
@@ -39,34 +33,24 @@ void main() {
     setUp(() {
       shorebirdRoot = Directory.systemTemp.createTempSync();
       flutterDirectory = Directory(p.join(shorebirdRoot.path, 'flutter'));
+      git = _MockGit();
       shorebirdEnv = _MockShorebirdEnv();
-      cloneProcessResult = _MockShorebirdProcessResult();
-      checkoutProcessResult = _MockShorebirdProcessResult();
-      shorebirdProcess = _MockShorebirdProcess();
       shorebirdFlutterManager = runWithOverrides(ShorebirdFlutterManager.new);
 
-      when(() => shorebirdEnv.flutterDirectory).thenReturn(flutterDirectory);
       when(
-        () => shorebirdProcess.run(
-          any(),
-          any(),
-          runInShell: any(named: 'runInShell'),
+        () => git.clone(
+          url: any(named: 'url'),
+          outputDirectory: any(named: 'outputDirectory'),
+          args: any(named: 'args'),
         ),
-      ).thenAnswer((invocation) async {
-        final executable = invocation.positionalArguments[0] as String;
-        final args = invocation.positionalArguments[1] as List<String>;
-        if (executable == 'git' && args[0] == 'clone') {
-          return cloneProcessResult;
-        } else if (executable == 'git' && args[4] == 'checkout') {
-          return checkoutProcessResult;
-        } else {
-          throw UnimplementedError();
-        }
-      });
-      when(() => cloneProcessResult.exitCode).thenReturn(ExitCode.success.code);
+      ).thenAnswer((_) async => {});
       when(
-        () => checkoutProcessResult.exitCode,
-      ).thenReturn(ExitCode.success.code);
+        () => git.checkout(
+          directory: any(named: 'directory'),
+          revision: any(named: 'revision'),
+        ),
+      ).thenAnswer((_) async => {});
+      when(() => shorebirdEnv.flutterDirectory).thenReturn(flutterDirectory);
     });
 
     group('installRevision', () {
@@ -80,73 +64,67 @@ void main() {
           () => shorebirdFlutterManager.installRevision(revision: revision),
         );
 
-        verifyNever(() => shorebirdProcess.run(any(), any()));
+        verifyNever(
+          () => git.clone(
+            url: any(named: 'url'),
+            outputDirectory: any(named: 'outputDirectory'),
+            args: any(named: 'args'),
+          ),
+        );
       });
 
-      test('throws ProcessException if unable to clone', () async {
+      test('throws exception if unable to clone', () async {
+        final exception = Exception('oops');
         when(
-          () => cloneProcessResult.exitCode,
-        ).thenReturn(ExitCode.software.code);
+          () => git.clone(
+            url: any(named: 'url'),
+            outputDirectory: any(named: 'outputDirectory'),
+            args: any(named: 'args'),
+          ),
+        ).thenThrow(exception);
 
         await expectLater(
           runWithOverrides(
             () => shorebirdFlutterManager.installRevision(revision: revision),
           ),
-          throwsA(isA<ProcessException>()),
+          throwsA(exception),
         );
 
         verify(
-          () => shorebirdProcess.run(
-            'git',
-            [
-              'clone',
-              '--filter=tree:0',
-              ShorebirdFlutterManager.flutterGitUrl,
-              '--no-checkout',
-              p.join(flutterDirectory.parent.path, revision)
-            ],
-            runInShell: true,
+          () => git.clone(
+            url: ShorebirdFlutterManager.flutterGitUrl,
+            outputDirectory: p.join(flutterDirectory.parent.path, revision),
+            args: ['--filter=tree:0', '--no-checkout'],
           ),
         ).called(1);
       });
 
-      test('throws ProcessException if unable to checkout revision', () async {
+      test('throws exception if unable to checkout revision', () async {
+        final exception = Exception('oops');
         when(
-          () => checkoutProcessResult.exitCode,
-        ).thenReturn(ExitCode.software.code);
+          () => git.checkout(
+            directory: any(named: 'directory'),
+            revision: any(named: 'revision'),
+          ),
+        ).thenThrow(exception);
 
         await expectLater(
           runWithOverrides(
             () => shorebirdFlutterManager.installRevision(revision: revision),
           ),
-          throwsA(isA<ProcessException>()),
+          throwsA(exception),
         );
-
         verify(
-          () => shorebirdProcess.run(
-            'git',
-            [
-              'clone',
-              '--filter=tree:0',
-              ShorebirdFlutterManager.flutterGitUrl,
-              '--no-checkout',
-              p.join(flutterDirectory.parent.path, revision)
-            ],
-            runInShell: true,
+          () => git.clone(
+            url: ShorebirdFlutterManager.flutterGitUrl,
+            outputDirectory: p.join(flutterDirectory.parent.path, revision),
+            args: ['--filter=tree:0', '--no-checkout'],
           ),
         ).called(1);
         verify(
-          () => shorebirdProcess.run(
-            'git',
-            [
-              '-C',
-              p.join(flutterDirectory.parent.path, revision),
-              '-c',
-              'advice.detachedHead=false',
-              'checkout',
-              revision,
-            ],
-            runInShell: true,
+          () => git.checkout(
+            directory: p.join(flutterDirectory.parent.path, revision),
+            revision: revision,
           ),
         ).called(1);
       });