From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 30 Apr 2013 17:56:30 GMT
Subject: Re: [PATCH] Add new @ shortcut for HEAD
Message-ID: <7v1u9rewc1.fsf@alter.siamese.dyndns.org>
In-Reply-To: <CALkWK0=GbhALxX0G-ka5oAbixoJv4uKPHAx5LPezgTyGxW_3MQ@mail.gmail.com>

Ramkumar Ramachandra <artagnon@gmail.com> writes:

> Junio C Hamano wrote:
>> If you accept only "@" but not "master@", that behaviour needs a
>> wrong world model to understand and justify (one of which is "@ is a
>> synonym for HEAD").  If your rule is "In $anything@{$n}, you can
>> drop {$n} when $n==0", then HEAD@{0} becomes HEAD@ and master@{0}
>> becomes master@, and @{0} becomes @ naturally.
>
> Besides, you're going in the wrong direction this time.  You are
> trying to fit an explanation to something that is useless.  How is
> master@ useful?

How else would you explain why "rev-parse --symbolic-full-name @"
does not make sense and "update-ref @" does not update HEAD?