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From: Junio C Hamano <gitster@pobox•com>
To: Jeff King <peff@peff•net>
Cc: Keith Derrick <keith.derrick@lge•com>,
	"git\@vger.kernel.org" <git@vger•kernel.org>
Subject: Re: [PATCH 0/5] interpret_branch_name bug potpourri
Date: Wed, 15 Jan 2014 13:03:35 -0800	[thread overview]
Message-ID: <xmqqsisp0xg8.fsf@gitster.dls.corp.google.com> (raw)
In-Reply-To: <20140115082528.GA18974@sigill.intra.peff.net> (Jeff King's message of "Wed, 15 Jan 2014 03:25:28 -0500")

Jeff King <peff@peff•net> writes:

> On Wed, Jan 15, 2014 at 12:00:03AM -0500, Jeff King wrote:
>
>>   $ git rev-parse --symbolic-full-name HEAD@{u}
>>   refs/remotes/origin/master
>>   $ git rev-parse --symbolic-full-name @mybranch@{u}
>>   @mybranch@{u}
>>   fatal: ambiguous argument '@mybranch@{u}': unknown revision or path
>>   not in the working tree.
>> 
>> So I do think there is a bug. The interpret_branch_name parser somehow
>> gets confused by the "@" in the name.
>
> The "somehow" is because we only look for the first "@", and never
> consider any possible marks after that. The series below fixes it, along
> with two other bugs I found while looking at this code. Ugh. Remind me
> never to look at our object name parser ever again.
>
> I feel pretty good that this is fixing real bugs and not regressing
> anything else. I would not be surprised if there are other weird things
> lurking, though. See the discussion in patch 4.
>
>   [1/5]: interpret_branch_name: factor out upstream handling
>   [2/5]: interpret_branch_name: rename "cp" variable to "at"
>   [3/5]: interpret_branch_name: always respect "namelen" parameter
>   [4/5]: interpret_branch_name: avoid @{upstream} past colon
>   [5/5]: interpret_branch_name: find all possible @-marks
>
> -Peff

All the steps looked very sensible.  Thanks for a pleasant read.

      parent reply	other threads:[~2014-01-15 21:03 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-14 23:04 BUG: check-ref-format and rev-parse can not handle branches with an @ in their name combined with @{u} Keith Derrick
2014-01-14 23:45 ` Junio C Hamano
2014-01-15  5:00   ` Jeff King
2014-01-15  7:46     ` Junio C Hamano
2014-01-15  7:47       ` Jeff King
2014-01-15  8:25     ` [PATCH 0/5] interpret_branch_name bug potpourri Jeff King
2014-01-15  8:26       ` [PATCH 1/5] interpret_branch_name: factor out upstream handling Jeff King
2014-01-15  8:27       ` [PATCH 2/5] interpret_branch_name: rename "cp" variable to "at" Jeff King
2014-01-15  8:31       ` [PATCH 3/5] interpret_branch_name: always respect "namelen" parameter Jeff King
2014-01-15  8:37       ` [PATCH 4/5] interpret_branch_name: avoid @{upstream} past colon Jeff King
2014-01-15  8:40       ` [PATCH 5/5] interpret_branch_name: find all possible @-marks Jeff King
2014-01-15 21:03       ` Junio C Hamano [this message]

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