Close #1479 exclude Drupal 6 migrations from appearing when running d…

…rush migrate:status (#3840)

Co-authored-by: Joe Parsons <[email protected]>

modules/custom/az_migration/az_migration.module

@@ -0,0 +1,16 @@
+<?php
+
+/**
+ * @file
+ * Contains az_migration.module.
+ */
+
+/**
+ * Implements hook_migration_plugins_aler().
+ */
+function az_migration_migration_plugins_alter(array &$migrations) {
+  $migrations = array_filter($migrations, function (array $migration) {
+    $tags = isset($migration['migration_tags']) ? (array) $migration['migration_tags'] : [];
+    return !in_array('Drupal 6', $tags);
+  });
+}