cern_integration.module

<?php

function cern_integration_form_alter(&$form, \Drupal\Core\Form\FormStateInterface $form_state, $form_id) {
   drupal_set_message(t("Form ID: $form_id"), "status");
}

/**
 * Implements hook_update_projects_alter().
 * Remove Drupal core as well as all centrally managed modules and themes from the Update manager.
 */
function cern_integration_update_projects_alter(&$projects)
{
    // Remove Drupal core.
    unset($projects['drupal']);

    // Remove all centrally managed modules.
    foreach (system_get_info("module") as $module_name => $module) {
        if (preg_match('#^modules/#', drupal_get_path("module", $module_name))) {
            if (isset($module["project"])){
                unset($projects[$module["project"]]);
            }
        }
    }

    // Remove all centrally managed themes.
    foreach (system_get_info("theme") as $theme_name => $theme) {
        if (preg_match('#^themes/#', drupal_get_path("theme", $theme_name))) {
            if (isset($theme["project"])){
                unset($projects[$theme["project"]]);
            }
        }
    }
}