Add support for Application::setCatchErrors in symfony 6.4+, refs symfony/symfony#50420

src/Composer/Console/Application.php

@@ -87,6 +87,10 @@ class Application extends BaseApplication
 
     public function __construct(string $name = 'Composer', string $version = '')
     {
+        if (method_exists($this, 'setCatchErrors')) {
+            $this->setCatchErrors(true);
+        }
+
         static $shutdownRegistered = false;
         if ($version === '') {
             $version = Composer::getVersion();
@@ -395,9 +399,10 @@ class Application extends BaseApplication
 
             $this->hintCommonErrors($e, $output);
 
-            // symfony/console does not handle \Error subtypes so we have to renderThrowable ourselves
+            // symfony/console <6.4 does not handle \Error subtypes so we have to renderThrowable ourselves
             // instead of rethrowing those for consumption by the parent class
-            if (!$e instanceof \Exception) {
+            // can be removed when Composer supports PHP 8.1+
+            if (!method_exists($this, 'setCatchErrors') && !$e instanceof \Exception) {
                 if ($output instanceof ConsoleOutputInterface) {
                     $this->renderThrowable($e, $output->getErrorOutput());
                 } else {

src/Composer/EventDispatcher/EventDispatcher.php

@@ -277,6 +277,9 @@ class EventDispatcher
 
                     $app = new Application();
                     $app->setCatchExceptions(false);
+                    if (method_exists($app, 'setCatchErrors')) {
+                        $app->setCatchErrors(false);
+                    }
                     $app->setAutoExit(false);
                     $cmd = new $className($event->getName());
                     $app->add($cmd);

tests/Composer/Test/DocumentationTest.php

@@ -53,6 +53,9 @@ class DocumentationTest extends TestCase
     {
         $application = new Application();
         $application->setAutoExit(false);
+        if (method_exists($application, 'setCatchErrors')) {
+            $application->setCatchErrors(false);
+        }
         $application->setCatchExceptions(false);
 
         $description = new ApplicationDescription($application);

tests/Composer/Test/TestCase.php

@@ -198,6 +198,9 @@ abstract class TestCase extends \PHPUnit\Framework\TestCase
         $application = new Application();
         $application->setAutoExit(false);
         $application->setCatchExceptions(false);
+        if (method_exists($application, 'setCatchErrors')) {
+            $application->setCatchErrors(false);
+        }
 
         return new ApplicationTester($application);
     }