migmag-1.0.x-dev/migmag_callback_upgrade/migmag_callback_upgrade.module

<?php

/**
 * @file
 * Replaces the callback process plugin with the version from Drupal core 9.2+.
 */

declare(strict_types=1);

use Drupal\migmag_callback_upgrade\MigMagCallback;

/**
 * Implements hook_help().
 */
function migmag_callback_upgrade_help($route_name) {
  switch ($route_name) {
    case 'help.page.migmag_callback_upgrade':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>';
      $output .= t(
        'Migrate Magician Callback Process Plugin Upgrade replaces the callback process plugin with the version from Drupal core 9.2+. See the <a href=":documentation">online documentation for Migrate Magician Callback Process Plugin module</a>.',
        [
          ':documentation' => 'https://drupal.org/docs/contributed-modules/migrate-magician/migrate-magician-callback-process-plugin-upgrade-120',
        ]
      );
      $output .= '</p>';
      return $output;
  }
}

/**
 * Implements hook_migrate_process_info_alter().
 */
function migmag_callback_upgrade_migrate_process_info_alter(&$definitions) {
  if (
    version_compare(\Drupal::VERSION, '9.2.0', 'lt')
    && !empty($definitions['callback'])
  ) {
    $definitions['callback']['class'] = MigMagCallback::class;
  }
}