Show error when --drall-* options are detected

src/Command/BaseCommand.php

@@ -32,6 +32,14 @@ protected function configure() {
     );
   }
 
+  protected function initialize(InputInterface $input, OutputInterface $output): void {
+    if (!$this->logger) {
+      $this->logger = new ConsoleLogger($output);
+    }
+
+    parent::initialize($input, $output);
+  }
+
   /**
    * Gets the active Drall group.
    *
@@ -65,10 +73,6 @@ protected function getDrallFilter(InputInterface $input): ?string {
   }
 
   protected function preExecute(InputInterface $input, OutputInterface $output) {
-    if (!$this->logger) {
-      $this->logger = new ConsoleLogger($output);
-    }
-
     if (!$this->hasSiteDetector()) {
       $this->setSiteDetector(new SiteDetector());
     }

src/Command/ExecCommand.php

@@ -90,6 +90,23 @@ protected function configure() {
     $this->ignoreValidationErrors();
   }
 
+  protected function initialize(InputInterface $input, OutputInterface $output): void {
+    // If obsolete --drall-* options are present, then abort.
+    if (method_exists($input, 'getRawTokens')) {
+      foreach ($input->getRawTokens() as $token) {
+        if (str_starts_with($token, '--drall-')) {
+          $output->writeln(<<<EOT
+In Drall 4.x, all --drall-* options have been renamed.
+See https://github.com/jigarius/drall/issues/99
+EOT);
+          throw new \RuntimeException('Obsolete options detected.');
+        }
+      }
+    }
+
+    parent::initialize($input, $output);
+  }
+
   protected function execute(InputInterface $input, OutputInterface $output): int {
     $this->preExecute($input, $output);
 

test/Integration/DrallTest.php

@@ -12,17 +12,20 @@
  */
 class DrallTest extends TestCase {
 
-  public function testVersion() {
+  /**
+   * @testdox Returns correct version string.
+   */
+  public function testVersion(): void {
     $process = Process::fromShellCommandline('drall --version', static::PATH_DRUPAL);
     $process->run();
     $version = InstalledVersions::getPrettyVersion('jigarius/drall');
     $this->assertStringContainsString(Drall::NAME . ' ' . $version, $process->getOutput());
   }
 
   /**
-   * Run drall with a command it doesn't recognize.
+   * @testdox Suggests "drush" for unrecognized commands.
    */
-  public function testUnrecognizedCommand() {
+  public function testUnrecognizedCommand(): void {
     $process = Process::fromShellCommandline('drall st', static::PATH_DRUPAL);
     $process->run();
     $this->assertOutputEquals(<<<EOT
@@ -35,4 +38,18 @@ public function testUnrecognizedCommand() {
 EOT, $process->getErrorOutput());
   }
 
+  /**
+   * @testdox Shows error when --drall-* options are detected.
+   */
+  public function testShowErrorForObsoleteOptions(): void {
+    $process = Process::fromShellCommandline('./vendor/bin/drall exec --drall-foo drush st', static::PATH_DRUPAL);
+    $process->run();
+    $this->assertOutputEquals(<<<EOT
+In Drall 4.x, all --drall-* options have been renamed.
+See https://github.com/jigarius/drall/issues/99
+
+EOT, $process->getOutput());
+    $this->assertEquals(1, $process->getExitCode());
+  }
+
 }