+
+ if (DIFF_FILE_VALID(one) && DIFF_FILE_VALID(two)) {
+ struct diffstat_file *file =
+ diffstat->files[diffstat->nr - 1];
+ /*
+ * Omit diffstats of modified files where nothing changed.
+ * Even if !same_contents, this might be the case due to
+ * ignoring whitespace changes, etc.
+ *
+ * But note that we special-case additions, deletions,
+ * renames, and mode changes as adding an empty file,
+ * for example is still of interest.
+ */
+ if ((p->status == DIFF_STATUS_MODIFIED)
+ && !file->added
+ && !file->deleted
+ && one->mode == two->mode) {
+ free_diffstat_file(file);
+ diffstat->nr--;
+ }
+ }