Re: [PATCH] Add new @ shortcut for HEAD

From: Junio C Hamano <gitster@pobox.com>
Date: Apr 30, 2013, 19:59 UTC
Message-ID: <7v8v3zdc2m.fsf@alter.siamese.dyndns.org>
In-Reply-To: <7vhaindcuk.fsf@alter.siamese.dyndns.org>

Junio C Hamano <gitster@pobox.com> writes:

Show 12 quoted lines

> The rule would be "You should be able to say '@' where-ever you
> currently say HEAD" (aka '@' is a short-hand for 'HEAD').
>
> That means "git checout @" should work the same way as "git checkout
> HEAD", "git log @~4" would work the same way as "git log HEAD~4",
> "git update-ref @ $(git rev-parse master)" should update the HEAD
> without creating $GIT_DIR/@, etc.
>
> You can't go any simpler than that rule, and there is no room for
> confusion if that rule is properly implemented.
>
> Hmm?

I personally would not mind an easier-to-implement rule that says "You can say '@' to mean HEAD^0, i.e. the object name of the commit at the tip of your current branch". That would make sure that nobody would expect "git update-ref @ $(git rev-parse master~4)" to work.