Issue #3137087: Limit parts of project_release_node_view() to one execution

release/project_release.module

@@ -1070,6 +1070,8 @@ function project_release_download_table($pid, $_clear = FALSE) {
  * Implements hook_node_view().
  */
 function project_release_node_view($node, $view_mode, $langcode) {
+  static $nids_processed = [];
+
   if (project_node_is_project($node)) {
     if (!empty($node->field_project_has_releases[LANGUAGE_NONE][0]['value']) && $view_mode === 'full') {
       // Add releases table and links.
@@ -1103,24 +1105,30 @@ function project_release_node_view($node, $view_mode, $langcode) {
   }
   elseif (project_release_node_is_release($node)) {
     if ($view_mode === 'full') {
-      $project = node_load(project_release_get_release_project_nid($node));
-      project_project_set_breadcrumb($project, TRUE, [[
-        'title' => t('Releases'),
-        'href' => 'node/' . $project->nid . '/release',
-        'localized_options' => [],
-      ]]);
-
-      // Display packaging errors to admins.
-      if (project_user_access($project, 'administer releases')) {
-        $rows = unserialize(db_select('project_release_package_errors', 'prpe')
-          ->fields('prpe', ['messages'])
-          ->condition('prpe.nid', $node->nid)
-          ->execute()->fetchField());
-        if (!empty($rows)) {
-          drupal_set_message(theme('item_list', [
-            'title' => t('Packaging error messages'),
-            'items' => $rows,
-          ]), 'error');
+      if (!isset($nids_processed[$node->nid])) {
+        // Can be called twice with the same arguments, such as Panelizer field
+        // panes. Only do the global work once.
+        $nids_processed[$node->nid] = TRUE;
+
+        $project = node_load(project_release_get_release_project_nid($node));
+        project_project_set_breadcrumb($project, TRUE, [[
+          'title' => t('Releases'),
+          'href' => 'node/' . $project->nid . '/release',
+          'localized_options' => [],
+        ]]);
+
+        // Display packaging errors to admins.
+        if (project_user_access($project, 'administer releases')) {
+          $rows = unserialize(db_select('project_release_package_errors', 'prpe')
+            ->fields('prpe', ['messages'])
+            ->condition('prpe.nid', $node->nid)
+            ->execute()->fetchField());
+          if (!empty($rows)) {
+            drupal_set_message(theme('item_list', [
+                'title' => t('Packaging error messages'),
+                'items' => $rows,
+            ]), 'error');
+          }
         }
       }
     }