upload-pack: remove unused variable "backup"

pclouds · gitster · commit ef635b9056e2 · 2016-06-13T14:38:16.000-07:00
After the last patch, "result" and "backup" are the same. "result" used
to move, but the movement is now contained in send_shallow(). Delete
this redundant variable.

Signed-off-by: Nguyễn Thái Ngọc Duy &lt;pclouds@gmail.com&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/upload-pack.c b/upload-pack.c
@@ -554,19 +554,18 @@ static void send_shallow(struct commit_list *result)
 
 static void deepen(int depth, const struct object_array *shallows)
 {
-	struct commit_list *result = NULL, *backup = NULL;
+	struct commit_list *result = NULL;
 	int i;
 	if (depth == INFINITE_DEPTH && !is_repository_shallow())
 		for (i = 0; i < shallows->nr; i++) {
 			struct object *object = shallows->objects[i].item;
 			object->flags |= NOT_SHALLOW;
 		}
 	else
-		backup = result =
-			get_shallow_commits(&want_obj, depth,
-					    SHALLOW, NOT_SHALLOW);
+		result = get_shallow_commits(&want_obj, depth,
+					     SHALLOW, NOT_SHALLOW);
 	send_shallow(result);
-	free_commit_list(backup);
+	free_commit_list(result);
 	for (i = 0; i < shallows->nr; i++) {
 		struct object *object = shallows->objects[i].item;
 		if (object->flags & NOT_SHALLOW) {
