[PATCH 08/13] prevent try_delta from using objects not in pack

["Dana How" <danahow@gmail.com>]

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---
 builtin-pack-objects.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

-- 
Dana L. How  danahow@gmail.com  +1 650 804 5991 cell

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From 7d510f82b1e6acccc25596052abf3c5f1961ebcc Mon Sep 17 00:00:00 2001
From: Dana How <how@deathvalley.cswitch.com>
Date: Thu, 5 Apr 2007 14:04:59 -0700
Subject: [PATCH 08/13] prevent try_delta from using objects not in pack

---
 builtin-pack-objects.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/builtin-pack-objects.c b/builtin-pack-objects.c
index 9eb5fd6..37b0150 100644
--- a/builtin-pack-objects.c
+++ b/builtin-pack-objects.c
@@ -1251,6 +1251,10 @@ static int try_delta(struct unpacked *trg, struct unpacked *src,
 	if (trg_entry->type != src_entry->type)
 		return -1;
 
+	/* Don't try deltas involving already/non written objects */
+	if (trg_entry->no_write || src_entry->no_write)
+		return -1;
+
 	/* We do not compute delta to *create* objects we are not
 	 * going to pack.
 	 */
-- 
1.5.1.rc2.18.g9c88-dirty