--- /dev/null
+<?php
+
+/**
+ * @file
+ * Install, uninstall and update hooks for Media Entity Actions module.
+ */
+
+/**
+ * Implements hook_requirements().
+ */
+function media_entity_actions_requirements($phase) {
+ $requirements = [];
+
+ // Prevent installation if Media Entity 1.x is enabled.
+ if (\Drupal::moduleHandler()->moduleExists('media_entity')) {
+ $info = system_get_info('module', 'media_entity');
+ if (version_compare($info['version'], '8.x-2') < 0) {
+ $requirements['media_entity_generic_incompatibility'] = [
+ 'title' => t('Media'),
+ 'description' => t('The Media Entity Actions module is not compatible with contrib <a href=":url">Media Entity</a> 1.x branch. You don\'t need to enable this module manually, when performing the upgrade to Media in core, this module will be automatically enabled.', [
+ ':url' => 'https://drupal.org/project/media_entity',
+ ]),
+ 'severity' => REQUIREMENT_ERROR,
+ ];
+ }
+ }
+
+ return $requirements;
+}