ISSUE-75: Added example on skipping settings.php generation.

examples/example-drush-command/src/Drush/Commands/ExampleDrushCommands.php

@@ -3,10 +3,12 @@
 namespace Example\Drush\Commands;
 
 use Acquia\Drupal\RecommendedSettings\Drush\Commands\MultisiteDrushCommands;
+use Acquia\Drupal\RecommendedSettings\Drush\Commands\SettingsDrushCommands;
 use Consolidation\AnnotatedCommand\CommandData;
 use Consolidation\AnnotatedCommand\Hooks\HookManager;
 use Drush\Attributes as CLI;
 use Drush\Commands\DrushCommands;
+use Robo\ResultData;
 
 /**
  * An example drush command file.
@@ -34,4 +36,17 @@ public function showSuccessMessage(CommandData $commandData): void {
     $this->io()->info("The settings.php generated successfully for site `" . $uri . "`.");
   }
 
+  /**
+   * Skip settings.php generation if current environment is CI environment.
+   */
+  #[CLI\Hook(type: HookManager::PRE_COMMAND_HOOK, target: SettingsDrushCommands::SETTINGS_COMMAND)]
+  public function validate(): ?ResultData {
+    $isCI = getenv('CI');
+    if (!$isCI) {
+      return NULL;
+    }
+    $this->io()->info("Skip settings.php generation for CI environment.");
+    return new ResultData(ResultData::EXITCODE_OK);
+  }
+
 }