function drupal_install_system in Drupal 8

Same name and namespace in other branches

1. 6 includes/install.inc \drupal_install_system()
2. 7 includes/install.inc \drupal_install_system()
3. 9 core/includes/install.inc \drupal_install_system()
4. 10 core/includes/install.inc \drupal_install_system()

Installs the system module.

Separated from the installation of other modules so core system functions can be made available while other modules are installed.

Parameters

array $install_state: An array of information about the current installation state. This is used to set the default language.

1 call to drupal_install_system()

install_base_system in core/includes/install.core.inc

Installation task; install the base functionality Drupal needs to bootstrap.

File

core/includes/install.inc, line 668

API functions for installing modules and themes.

Code

function drupal_install_system($install_state) {

  // Remove the service provider of the early installer.
  unset($GLOBALS['conf']['container_service_providers']['InstallerServiceProvider']);

  // Add the normal installer service provider.
  $GLOBALS['conf']['container_service_providers']['InstallerServiceProvider'] = 'Drupal\\Core\\Installer\\NormalInstallerServiceProvider';

  // Get the existing request.
  $request = \Drupal::request();

  // Reboot into a full production environment to continue the installation.

  /** @var \Drupal\Core\Installer\InstallerKernel $kernel */
  $kernel = \Drupal::service('kernel');
  $kernel
    ->shutdown();

  // Have installer rebuild from the disk, rather then building from scratch.
  $kernel
    ->rebuildContainer(FALSE);

  // Reboot the kernel with new container.
  $kernel
    ->boot();
  $kernel
    ->preHandle($request);

  // Ensure our request includes the session if appropriate.
  if (PHP_SAPI !== 'cli') {
    $request
      ->setSession($kernel
      ->getContainer()
      ->get('session'));
  }

  // Before having installed the system module and being able to do a module
  // rebuild, prime the \Drupal\Core\Extension\ModuleExtensionList static cache
  // with the module's location.
  // @todo Try to install system as any other module, see
  //   https://www.drupal.org/node/2719315.
  \Drupal::service('extension.list.module')
    ->setPathname('system', 'core/modules/system/system.info.yml');

  // Install base system configuration.
  \Drupal::service('config.installer')
    ->installDefaultConfig('core', 'core');

  // Store the installation profile in configuration to populate the
  // 'install_profile' container parameter.
  \Drupal::configFactory()
    ->getEditable('core.extension')
    ->set('profile', $install_state['parameters']['profile'])
    ->save();

  // Install System module and rebuild the newly available routes.
  $kernel
    ->getContainer()
    ->get('module_installer')
    ->install([
    'system',
  ], FALSE);
  \Drupal::service('router.builder')
    ->rebuild();

  // Ensure default language is saved.
  if (isset($install_state['parameters']['langcode'])) {
    \Drupal::configFactory()
      ->getEditable('system.site')
      ->set('langcode', (string) $install_state['parameters']['langcode'])
      ->set('default_langcode', (string) $install_state['parameters']['langcode'])
      ->save(TRUE);
  }
}