From: Karl Hasselström <kha@treskal.com>
Date: Sun, 13 May 2007 19:13:50 GMT
Subject: Re: ~ and ^
Message-ID: <20070513191350.GB14657@diana.vm.bytemark.co.uk>
In-Reply-To: <7v8xbssfti.fsf@assigned-by-dhcp.cox.net>

On 2007-05-13 12:07:21 -0700, Junio C Hamano wrote:

> Sean <seanlkml@sympatico.ca> writes:
>
> > Would it be possible/reasonable to treat a bare ~3 (or ^) on the
> > git command line as equivalent to "<current branch>~3" ? At least
> > @{3} already works this way and it would be nice to do the same
> > for the even more common tilde and hat operations. If so, it would
> > be a small convenience to just type: "git show ~3"
>
> Interesting.

Yes. I think we should have this, even if just for consistency.

> At least, "ls ~0" does not seem to get confused by bash to be the
> home directory of the root user, so I do not offhand think of a
> reason not to have ~$n as a synonym to HEAD~$n.

It seems that ~foo is only expanded to foo's home if there is such a
user. Since all-numeric users probably aren't common, we can probably
get away with it.

> Would that be useful? I dunno.

It would allow you to say

  git log ~5..

instead of

  git log HEAD~5..

so I'd say it is useful.

-- 
Karl Hasselström, kha@treskal.com
      www.treskal.com/kalle