t / t5100 / info0011on commit for-each-ref: do not segv with %(HEAD) on an unborn branch (84679d4)
   1Author: A U Thor
   2Email: a.u.thor@example.com
   3Subject: Xyzzy
   4Date: Fri, 8 Aug 2008 13:08:37 +0200 (CEST)
   5