From: Junio C Hamano <gitster@pobox.com>
Date: Mon, 12 Sep 2016 22:34:35 +0000 (-0700)
Subject: Merge branch 'jc/forbid-symbolic-ref-d-HEAD'
X-Git-Tag: v2.11.0-rc0~162
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/d1de693d0d83b2d0d12320312ae523c7711bf627

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
---

d1de693d0d83b2d0d12320312ae523c7711bf627