t / t5100 / info0004on commit do_one_ref(): save and restore value of current_ref (d0cf51e)
   1Author: YOSHIFUJI Hideaki / 吉藤英明
   2Email: yoshfuji@linux-ipv6.org
   3Subject: GIT: Try all addresses for given remote name
   4Date: Thu, 21 Jul 2005 09:10:36 -0400 (EDT)
   5