Issue #1217784 by greggles, azinck, bojanz: Add action for deleting revisions.

Author: bojanz

actions/delete.action.inc

@@ -14,6 +14,12 @@ function views_bulk_operations_delete_action_info() {
       'behavior' => array('deletes_property'),
       'triggers' => array('any'),
     ),
+    'views_bulk_operations_delete_revision' => array(
+      'type' => 'entity',
+      'label' => t('Delete revision'),
+      'configurable' => FALSE,
+      'behavior' => array('deletes_property'),
+    ),
   );
 }
 
@@ -23,3 +29,9 @@ function views_bulk_operations_delete_item($entity, $context) {
 
   entity_delete($context['entity_type'], $entity_id);
 }
+
+function views_bulk_operations_delete_revision($entity, $context) {
+  $info = entity_get_info($context['entity_type']);
+  $revision_id = $entity->{$info['entity keys']['revision']};
+  entity_revision_delete($context['entity_type'], $revision_id);
+}