+}
+
+static int do_fmt_merge_msg(int merge_title, int merge_summary,
+ struct strbuf *in, struct strbuf *out) {
+ int limit = 20, i = 0, pos = 0;
+ unsigned char head_sha1[20];
+ const char *current_branch;
+
+ /* get current branch */
+ current_branch = resolve_ref("HEAD", head_sha1, 1, NULL);
+ if (!current_branch)
+ die("No current branch");
+ if (!prefixcmp(current_branch, "refs/heads/"))
+ current_branch += 11;
+
+ /* get a line */
+ while (pos < in->len) {
+ int len;
+ char *newline, *p = in->buf + pos;
+
+ newline = strchr(p, '\n');
+ len = newline ? newline - p : strlen(p);
+ pos += len + !!newline;
+ i++;
+ p[len] = 0;
+ if (handle_line(p))
+ die ("Error in line %d: %.*s", i, len, p);
+ }
+
+ if (!srcs.nr)
+ return 0;
+
+ if (merge_title)
+ do_fmt_merge_msg_title(out, current_branch);