If file is not to be copied, check whether file already exists, as file_save()...

If file is not to be copied, check whether file already exists, as file_save() won't do that for us (compare file_copy() and file_save()).

plugins/FeedsParser.inc

@@ -304,6 +304,15 @@ class FeedsEnclosure extends FeedsElement {
           $file = file_copy($file, $destination);
         }
         else {
+          // If file is not to be copied, check whether file already exists,
+          // as file_save() won't do that for us (compare file_copy() and
+          // file_save())
+          $existing_files = file_load_multiple(array(), array('uri' => $file->uri));
+          if (count($existing_files)) {
+            $existing = reset($existing_files);
+            $file->fid = $existing->fid;
+            $file->filename = $existing->filename;
+          }
           file_save($file);
         }
       }