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function module_blacklist_module_preinstall in Module Blacklist 8

Implements hook_module_preinstall().

File

./module_blacklist.module, line 15
Module Blacklist implementation of hooks.

Code

function module_blacklist_module_preinstall($module) {

  // Allow Drush if config is TRUE.
  if (PHP_SAPI === 'cli' && Settings::get('module_blacklist_drush', FALSE)) {
    return;
  }
  $module_blacklist = Settings::get('module_blacklist');
  if (!$module_blacklist || !in_array($module, $module_blacklist)) {
    return;
  }

  // Before Drupal invokes the hook hook_module_preinstall() the method
  // install() at Drupal\Core\Extension\ModuleInstaller performs some tasks
  // changing the configs and system files data from the module that is being
  // installed, so, before throw the exception it is necessary performs a
  // rollback to those changes.
  \Drupal::service('module_blacklist.module_installer')
    ->rollbackPreinstall($module);
  throw new ModuleInstallationBlocked("Unable to install '{$module}' module. The installation of this module is blocked by Module Blacklist.");
}