+static void format_decoration(struct strbuf *sb, const struct commit *commit)
+{
+ struct name_decoration *d;
+ const char *prefix = " (";
+
+ load_ref_decorations();
+ d = lookup_decoration(&name_decoration, &commit->object);
+ while (d) {
+ strbuf_addstr(sb, prefix);
+ prefix = ", ";
+ strbuf_addstr(sb, d->name);
+ d = d->next;
+ }
+ if (prefix[0] == ',')
+ strbuf_addch(sb, ')');
+}
+