t / t4013 / diff.show_initialon commit Check that a tag exists using show-ref instead of looking for the ref file. (b431b28)
   1$ git show initial
   2commit 444ac553ac7612cc88969031b02b3767fb8a353a
   3Author: A U Thor <author@example.com>
   4Date:   Mon Jun 26 00:00:00 2006 +0000
   5
   6    Initial
   7$