From 5209ac4de4192e4ffcd72861517daccf387391e5 Mon Sep 17 00:00:00 2001
From: Alexander Gavrilov <angavrilov@gmail.com>
Date: Fri, 3 Oct 2008 20:23:50 +0400
Subject: [PATCH] builtin-blame: Fix blame -C -C with submodules.

When performing copy detection, git-blame tries to
read gitlinks as blobs, which causes it to die.

This patch adds a check to skip them.

Signed-off-by: Alexander Gavrilov <angavrilov@gmail.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
---
 builtin-blame.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/builtin-blame.c b/builtin-blame.c
index 9bc901c292..101c4162da 100644
--- a/builtin-blame.c
+++ b/builtin-blame.c
@@ -1136,6 +1136,8 @@ static int find_copy_in_parent(struct scoreboard *sb,
 
 			if (!DIFF_FILE_VALID(p->one))
 				continue; /* does not exist in parent */
+			if (S_ISGITLINK(p->one->mode))
+				continue; /* ignore git links */
 			if (porigin && !strcmp(p->one->path, porigin->path))
 				/* find_move already dealt with this path */
 				continue;