ConfigOverrideServiceProvider.php in Config override 8

Namespace

Drupal\config_override

File

src/ConfigOverrideServiceProvider.php

<?php

namespace Drupal\config_override;

use Drupal\Core\DependencyInjection\ContainerBuilder;
use Drupal\Core\DependencyInjection\ServiceModifierInterface;
use Symfony\Component\DependencyInjection\Parameter;
use Symfony\Component\Dotenv\Dotenv;

/**
 * Adds an environment config override service, if DotEnv is available.
 */
class ConfigOverrideServiceProvider implements ServiceModifierInterface {

  /**
   * {@inheritdoc}
   */
  public function alter(ContainerBuilder $container) {
    if (class_exists('\\Symfony\\Component\\Dotenv\\Dotenv')) {
      $drupal_root = $container
        ->has('app.root') ? $container
        ->get('app.root') : DRUPAL_ROOT;
      $dotenv = new Dotenv();
      $all_config_overrides = [];
      $possible_files = [
        $drupal_root . '/sites/default/.env',
        $drupal_root . '/sites/default/.environment',
      ];
      foreach ($possible_files as $possible_file) {
        if (file_exists($possible_file)) {
          $env_content = $dotenv
            ->parse(file_get_contents($possible_file), $possible_file);
          foreach ($env_content as $env_name => $env_value) {
            if (strpos($env_name, 'CONFIG___') === 0) {
              $env_name = strtolower($env_name);
            }
            if (strpos($env_name, 'config___') === 0) {
              list(, $config_name, $config_key) = explode('___', $env_name);
              $config_name = str_replace('__', '.', $config_name);
              $config_key = str_replace('__', '.', $config_key);
              $all_config_overrides[strtolower($config_name)][$config_key] = $env_value;
            }
          }
        }
      }
      $container
        ->setParameter('config_override__environment', $all_config_overrides);
      $container
        ->register('config_override.override_environment', '\\Drupal\\config_override\\EnvironmentConfigOverride')
        ->addArgument(new Parameter('config_override__environment'))
        ->addTag('config.factory.override', [
        'priority' => 0,
      ]);
    }
  }

}

Classes

Name	Description
ConfigOverrideServiceProvider	Adds an environment config override service, if DotEnv is available.