function install_profile_modules

Installs required modules via a batch process.

Parameters

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

Return value

The batch definition.

File

drupal/core/includes/install.core.inc, line 1514

API functions for installing Drupal.

Code

function install_profile_modules(&$install_state) {
  $modules = state()
    ->get('install_profile_modules') ?: array();
  $files = system_rebuild_module_data();
  state()
    ->delete('install_profile_modules');

  // Always install required modules first. Respect the dependencies between
  // the modules.
  $required = array();
  $non_required = array();

  // Although the profile module is marked as required, it needs to go after
  // every dependency, including non-required ones. So clear its required
  // flag for now to allow it to install late.
  $files[$install_state['parameters']['profile']]->info['required'] = FALSE;

  // Add modules that other modules depend on.
  foreach ($modules as $module) {
    if ($files[$module]->requires) {
      $modules = array_merge($modules, array_keys($files[$module]->requires));
    }
  }
  $modules = array_unique($modules);
  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);
  $operations = array();
  foreach ($required + $non_required as $module => $weight) {
    $operations[] = array(
      '_install_module_batch',
      array(
        $module,
        $files[$module]->info['name'],
      ),
    );
  }
  $batch = array(
    'operations' => $operations,
    'title' => st('Installing @drupal', array(
      '@drupal' => drupal_install_profile_distribution_name(),
    )),
    'error_message' => st('The installation has encountered an error.'),
    'finished' => '_install_profile_modules_finished',
  );
  return $batch;
}