fix: handling process exit on abort (#2238)

packages/shorebird_cli/lib/src/shorebird_cli_command_runner.dart

@@ -16,6 +16,7 @@ import 'package:shorebird_cli/src/shorebird_env.dart';
 import 'package:shorebird_cli/src/shorebird_flutter.dart';
 import 'package:shorebird_cli/src/shorebird_process.dart';
 import 'package:shorebird_cli/src/shorebird_version.dart';
+import 'package:shorebird_cli/src/third_party/flutter_tools/lib/flutter_tools.dart';
 import 'package:shorebird_cli/src/version.dart';
 
 const executableName = 'shorebird';
@@ -197,6 +198,8 @@ Engine • revision ${shorebirdEnv.shorebirdEngineRevision}''');
     } else {
       try {
         exitCode = await super.runCommand(topLevelResults);
+      } on ProcessExit catch (error) {
+        exitCode = error.exitCode;
       } catch (error, stackTrace) {
         logger
           ..err('$error')
@@ -205,7 +208,7 @@ Engine • revision ${shorebirdEnv.shorebirdEngineRevision}''');
       }
     }
 
-    if (exitCode == ExitCode.software.code && logger.level != Level.verbose) {
+    if (exitCode != ExitCode.success.code && logger.level != Level.verbose) {
       final fileAnIssue = link(
         uri: Uri.parse(
           'https://github.com/shorebirdtech/shorebird/issues/new/choose',

packages/shorebird_cli/test/src/shorebird_cli_command_runner_test.dart

@@ -8,9 +8,11 @@ import 'package:scoped_deps/scoped_deps.dart';
 import 'package:shorebird_cli/src/logger.dart' hide logger;
 import 'package:shorebird_cli/src/platform.dart';
 import 'package:shorebird_cli/src/shorebird_cli_command_runner.dart';
+import 'package:shorebird_cli/src/shorebird_command.dart';
 import 'package:shorebird_cli/src/shorebird_env.dart';
 import 'package:shorebird_cli/src/shorebird_flutter.dart';
 import 'package:shorebird_cli/src/shorebird_version.dart';
+import 'package:shorebird_cli/src/third_party/flutter_tools/lib/flutter_tools.dart';
 import 'package:shorebird_cli/src/version.dart';
 import 'package:test/test.dart';
 
@@ -68,6 +70,31 @@ void main() {
       commandRunner = runWithOverrides(ShorebirdCliCommandRunner.new);
     });
 
+    group('handles ProcessExit', () {
+      test('does nothing when exit code is 0', () async {
+        commandRunner.addCommand(_TestCommand(ExitCode.success));
+        final result = await runWithOverrides(
+          () => commandRunner.run(['test']),
+        );
+        expect(result, equals(ExitCode.success.code));
+      });
+
+      test('exits with the correct code', () async {
+        commandRunner.addCommand(_TestCommand(ExitCode.unavailable));
+        final result = await runWithOverrides(
+          () => commandRunner.run(['test']),
+        );
+        expect(result, equals(ExitCode.unavailable.code));
+        verify(
+          () => logger.info(
+            any(
+              that: contains('''If you aren't sure why this command failed'''),
+            ),
+          ),
+        ).called(1);
+      });
+    });
+
     test('handles FormatException', () async {
       const exception = FormatException('oops!');
       var isFirstInvocation = true;
@@ -386,3 +413,20 @@ Engine • revision $shorebirdEngineRevision''',
     });
   });
 }
+
+class _TestCommand extends ShorebirdCommand {
+  _TestCommand(this.exitCode);
+
+  final ExitCode exitCode;
+
+  @override
+  String get name => 'test';
+
+  @override
+  String get description => 'Test command';
+
+  @override
+  Future<int> run() async {
+    throw ProcessExit(exitCode.code);
+  }
+}