From 66e41f7b9912b3c9231c6577891eb12886d430e3 Mon Sep 17 00:00:00 2001
From: Junio C Hamano <gitster@pobox.com>
Date: Fri, 15 Jun 2007 23:48:35 -0700
Subject: Avoid diff cost on "git log -z"

Johannes and Marco discovered that "git log -z" spent cycles in diff even
though there is no need to actually compute diffs.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/revision.c b/revision.c
index 0125d41..e43c648 100644
--- a/revision.c
+++ b/revision.c
@@ -1171,7 +1171,8 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 
 			opts = diff_opt_parse(&revs->diffopt, argv+i, argc-i);
 			if (opts > 0) {
-				revs->diff = 1;
+				if (strcmp(argv[i], "-z"))
+					revs->diff = 1;
 				i += opts - 1;
 				continue;
 			}
-- 
cgit v0.10.2-6-g49f6