diff-tree: don't write headers if the diff queue is empty

This is not a pickaxe-specific thing, we do this regardless of
what has pruned down the diff queue.

1 files changed, 5 insertions, 5 deletions

diff --git a/diff-tree.c b/diff-tree.c
index 0d21b18ff..31f801904 100644
--- a/diff-tree.c
+++ b/diff-tree.c
@@ -267,12 +267,12 @@ static int call_diff_flush(void)
 	if (detect_rename)
 		diffcore_rename(detect_rename, diff_score_opt);
 	diffcore_prune();
-	if (pickaxe) {
+	if (pickaxe)
 		diffcore_pickaxe(pickaxe);
-		if (diff_queue_is_empty()) {
-			diff_flush(DIFF_FORMAT_NO_OUTPUT, 0);
-			return 0;
-		}
+
+	if (diff_queue_is_empty()) {
+		diff_flush(DIFF_FORMAT_NO_OUTPUT, 0);
+		return 0;
 	}
 	if (nr_paths)
 		diffcore_pathspec(paths);