function install_profile_modules

Installs required modules via a batch process.

Parameters

array $install_state: An array of information about the current installation state.

Return value

array The batch definition.

File

core/includes/install.core.inc, line 1571

Code

function install_profile_modules(&$install_state) {
  // We need to manually trigger the installation of core-provided entity types,
  // as those will not be handled by the module installer.
  install_core_entity_type_definitions();
  $modules = $install_state['profile_info']['install'];
  $files = \Drupal::service('extension.list.module')->getList();
  // Always install required modules first. Respect the dependencies between
  // the modules.
  $required = [];
  $non_required = [];
  // Add modules that other modules depend on.
  foreach ($modules as $module) {
    if ($files[$module]->requires) {
      $modules = array_merge($modules, array_keys($files[$module]->requires));
    }
  }
  // The System module has already been installed by install_base_system().
  $modules = array_diff(array_unique($modules), [
    'system',
  ]);
  foreach ($modules as $module) {
    if (!empty($files[$module]->info['required'])) {
      $required[$module] = $files[$module]->sort;
    }
    else {
      $non_required[$module] = $files[$module]->sort;
    }
  }
  arsort($required);
  arsort($non_required);
  $batch_builder = new BatchBuilder();
  // Put modules into groups of up to the maximum batch size, or until a module
  // states that it needs a container rebuild before and after install.
  $index = 0;
  $module_groups = [];
  foreach (array_keys($required + $non_required) as $module) {
    // If the container needs to be rebuilt, ensure this happens both before and
    // after the module is installed.
    $container_rebuild_required = !empty($files[$module]->info['container_rebuild_required']);
    if ($container_rebuild_required && !empty($module_groups[$index])) {
      $index++;
    }
    $module_groups[$index][] = $module;
    if (count($module_groups[$index]) === Settings::get('core.multi_module_install_batch_size', 20)) {
      $index++;
    }
    elseif ($container_rebuild_required) {
      $index++;
    }
  }
  foreach ($module_groups as $module_group) {
    $names = [];
    foreach ($module_group as $module) {
      $names[] = $files[$module]->info['name'];
    }
    $batch_builder->addOperation('_install_module_batch', [
      $module_group,
      $names,
    ]);
  }
  $batch_builder->setTitle(t('Installing @drupal', [
    '@drupal' => drupal_install_profile_distribution_name(),
  ]))
    ->setErrorMessage(t('The installation has encountered an error.'));
  return $batch_builder->toArray();
}