From 0532a5e46b88cd70c952a2bf5dc63681be32a2d9 Mon Sep 17 00:00:00 2001
From: Junio C Hamano <junkio@cox.net>
Date: Mon, 12 Dec 2005 17:15:55 -0800
Subject: diffcore-break: do not break too small filepair.

Somehow we checked only one side and not the other.  By checking
the filesize upfront, we can bypass generating delta
unnecessarily.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/diffcore-break.c b/diffcore-break.c
index e6a468e..c57513a 100644
--- a/diffcore-break.c
+++ b/diffcore-break.c
@@ -62,6 +62,8 @@ static int should_break(struct diff_filespec *src,
 		return 0; /* error but caught downstream */
 
 	base_size = ((src->size < dst->size) ? src->size : dst->size);
+	if (base_size < MINIMUM_BREAK_SIZE)
+		return 0; /* we do not break too small filepair */
 
 	delta = diff_delta(src->data, src->size,
 			   dst->data, dst->size,
@@ -170,8 +172,7 @@ void diffcore_break(int break_score)
 		    !S_ISDIR(p->one->mode) && !S_ISDIR(p->two->mode) &&
 		    !strcmp(p->one->path, p->two->path)) {
 			if (should_break(p->one, p->two,
-					 break_score, &score) &&
-			    MINIMUM_BREAK_SIZE <= p->one->size) {
+					 break_score, &score)) {
 				/* Split this into delete and create */
 				struct diff_filespec *null_one, *null_two;
 				struct diff_filepair *dp;
-- 
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