[PATCH] builtin-fmt-merge-msg: fix bugs in --file option
If --file's argument is missing, don't crash. If it cannot be opened,
die with an error message.
---
builtin-fmt-merge-msg.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/builtin-fmt-merge-msg.c b/builtin-fmt-merge-msg.c
index 1489883..5c145d2 100644
--- a/builtin-fmt-merge-msg.c
+++ b/builtin-fmt-merge-msg.c
@@ -259,13 +259,15 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
else if (!strcmp(argv[1], "--no-summary"))
merge_summary = 0;
else if (!strcmp(argv[1], "-F") || !strcmp(argv[1], "--file")) {
- if (argc < 2)
+ if (argc < 3)
die ("Which file?");
if (!strcmp(argv[2], "-"))
in = stdin;
else {
fclose(in);
in = fopen(argv[2], "r");
+ if (!in)
+ die("cannot open %s", argv[2]);
}
argc--; argv++;
} else
--
1.5.0.rc3