Issue #3342516: Purge packages.json when changed

project_composer.module

@@ -265,8 +265,10 @@ function _project_composer_get_release_nids($project_nid, $release_category) {
  */
 function project_composer_manage_provider_includes($includes) {
   $project_composer_include_info = [];
+  $release_categories = [];
   foreach ($includes as $include_group) {
     list($year, $month, $release_category) = explode('-', $include_group);
+    $release_categories[$release_category] = TRUE;
     $include_group = $year . '-' . $month;
     $json = project_composer_get_provider_include_json($release_category, $include_group);
 
@@ -304,6 +306,10 @@ function project_composer_manage_provider_includes($includes) {
       drupal_write_record('project_composer_provider_includes', $provider_include);
     }
   }
+
+  foreach (array_keys($release_categories) as $release_category) {
+    project_composer_purge_packages_url(project_composer_core_version_string_from_release_category($release_category) . '/packages.json');
+  }
 }
 
 /**