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Merge branch 'jc/forbid-symbolic-ref-d-HEAD'
authorJunio C Hamano <gitster@pobox.com>
Mon, 12 Sep 2016 22:34:35 +0000 (15:34 -0700)
committerJunio C Hamano <gitster@pobox.com>
Mon, 12 Sep 2016 22:34:35 +0000 (15:34 -0700)
commitd1de693d0d83b2d0d12320312ae523c7711bf627
tree5cb1723525e1addde44e716de2471efc5826aa3b
parent293c232ab1dcfa08d650fa9c21377b1ef7b447dc
parent12cfa792b8657cfd37523df83df0a83d987570a5
Merge branch 'jc/forbid-symbolic-ref-d-HEAD'

"git symbolic-ref -d HEAD" happily removes the symbolic ref, but
the resulting repository becomes an invalid one.  Teach the command
to forbid removal of HEAD.

* jc/forbid-symbolic-ref-d-HEAD:
  symbolic-ref -d: do not allow removal of HEAD