Subject: [PATCH v2 09/21] blame: report error on open if graft_file is a directory

From: Nguyễn Thái Ngọc Duy <[email-masked]>
Date: Wed, 3 May 2017 17:16:54 +0700

Signed-off-by: Nguyễn Thái Ngọc Duy <[email-masked]>
---
 builtin/blame.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/builtin/blame.c b/builtin/blame.c
index 07506a3e45..1648b396dc 100644
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -2071,10 +2071,12 @@ static int prepare_lines(struct scoreboard *sb)
  */
 static int read_ancestry(const char *graft_file)
 {
-	FILE *fp = fopen(graft_file, "r");
+	FILE *fp = fopen_or_warn(graft_file, "r");
 	struct strbuf buf = STRBUF_INIT;
+
 	if (!fp)
 		return -1;
+
 	while (!strbuf_getwholeline(&buf, fp, '\n')) {
 		/* The format is just "Commit Parent1 Parent2 ...\n" */
 		struct commit_graft *graft = read_graft_line(buf.buf, buf.len);
-- 
2.11.0.157.gd943d85