Show usage string for 'git get-tar-commit-id -h'

diff --git a/builtin-fmt-merge-msg.c b/builtin-fmt-merge-msg.c
index fbf9582e667dfd1e69027b35c3f307f3c7a08a99..9d524000b5ba4d9c7566edd5756b68d728ec362b 100644 (file)
--- a/builtin-fmt-merge-msg.c
+++ b/builtin-fmt-merge-msg.c
@@ -368,12 +368,11 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
        if (inpath && strcmp(inpath, "-")) {
                in = fopen(inpath, "r");
                if (!in)
-                       die("cannot open %s", inpath);
+                       die_errno("cannot open '%s'", inpath);
        }
 
        if (strbuf_read(&input, fileno(in), 0) < 0)
-               die("could not read input file %s", strerror(errno));
-
+               die_errno("could not read input file");
        ret = fmt_merge_msg(merge_summary, &input, &output);
        if (ret)
                return ret;