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

core/includes/install.core.inc, line 1566

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 = \Drupal::state()->get('install_profile_modules') ?: [];
    $files = \Drupal::service('extension.list.module')->getList();
    \Drupal::state()->delete('install_profile_modules');
    // 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));
        }
    }
    $modules = array_unique($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);
    $operations = [];
    foreach ($required + $non_required as $module => $weight) {
        $operations[] = [
            '_install_module_batch',
            [
                $module,
                $files[$module]->info['name'],
            ],
        ];
    }
    $batch = [
        'operations' => $operations,
        'title' => t('Installing @drupal', [
            '@drupal' => drupal_install_profile_distribution_name(),
        ]),
        'error_message' => t('The installation has encountered an error.'),
    ];
    return $batch;
}