Issue #3536886 by mglaman, phenaproxima, larowlan, thejimbirch: RecipeCommand...

use Drupal\Core\DrupalKernel;

use Drupal\Core\DrupalKernelInterface;

use Drupal\Core\Site\Settings;

use Symfony\Component\Console\ConsoleEvents;

use Symfony\Component\EventDispatcher\EventDispatcherInterface as ComponentEventDispatcherInterface;

use Symfony\Component\HttpFoundation\Request;

use Symfony\Component\HttpFoundation\Response;

use Symfony\Component\HttpKernel\TerminableInterface;

use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;

/**

 * Contains helper methods for console commands that boot up Drupal.

    $kernel->setSitePath($this->getSitePath());

    Settings::initialize($kernel->getAppRoot(), $kernel->getSitePath(), $this->classLoader);

    $kernel->boot();

    $kernel->preHandle(Request::createFromGlobals());

    $request = Request::createFromGlobals();

    $kernel->preHandle($request);

    // Try to register an event listener to properly terminate the Drupal kernel

    // when the console application itself terminates. This ensures that

    // `kernel.destructable_services` are destructed, which in turn ensures that

    // the router can be rebuilt if needed, along with other services that

    // perform actions on destruct.

    $event_dispatcher = $kernel->getContainer()

      ->get(EventDispatcherInterface::class);

    if ($kernel instanceof TerminableInterface && $event_dispatcher instanceof ComponentEventDispatcherInterface) {

      $event_dispatcher->addListener(ConsoleEvents::TERMINATE, function () use ($kernel, $request): void {

        $kernel->terminate($request, new Response());

      });

      $this->getApplication()->setDispatcher($event_dispatcher);

    }

    return $kernel;

  }