[PATCH 09/10] fmt-merge-msg: request resolve_ref() to allocate new buffer

@@ -261,9 +261,10 @@ static int do_fmt_merge_msg(int merge_title, struct strbuf *in,
 	int i = 0, pos = 0;
 	unsigned char head_sha1[20];
 	const char *current_branch;
+	char *ref;
 
 	/* get current branch */
-	current_branch = resolve_ref("HEAD", head_sha1, 1, NULL, 0);
+	current_branch = ref = resolve_ref("HEAD", head_sha1, 1, NULL, 1);
 	if (!current_branch)
 		die("No current branch");
 	if (!prefixcmp(current_branch, "refs/heads/"))

@@ -283,8 +284,10 @@ static int do_fmt_merge_msg(int merge_title, struct strbuf *in,
 			die ("Error in line %d: %.*s", i, len, p);
 	}
 
-	if (!srcs.nr)
+	if (!srcs.nr) {
+		free(ref);
 		return 0;
+	}
 
 	if (merge_title)
 		do_fmt_merge_msg_title(out, current_branch);

@@ -306,6 +309,7 @@ static int do_fmt_merge_msg(int merge_title, struct strbuf *in,
 			shortlog(origins.items[i].string, origins.items[i].util,
 					head, &rev, shortlog_len, out);
 	}
+	free(ref);
 	return 0;
 }