public function ConfigOverrideServiceProvider::alter in Config override 8

Modifies existing service definitions.

Parameters

ContainerBuilder $container: The ContainerBuilder whose service definitions can be altered.

Overrides ServiceModifierInterface::alter

File

src/ConfigOverrideServiceProvider.php, line 18

Class

ConfigOverrideServiceProvider

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

Namespace

Drupal\config_override

Code

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,
    ]);
  }
}