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From: Matthieu Moy <Matthieu.Moy@grenoble-inp.fr>
To: Junio C Hamano <gitster@pobox.com>
Cc: Karthik Nayak <karthik.188@gmail.com>,
	git@vger.kernel.org, christian.couder@gmail.com
Subject: Re: [PATCH v17 05/14] ref-filter: introduce match_atom_name()
Date: Thu, 10 Sep 2015 18:59:06 +0200	[thread overview]
Message-ID: <vpqio7inrc5.fsf@scolette.imag.fr> (raw)
In-Reply-To: <xmqq37ym5i2u.fsf@gitster.mtv.corp.google.com> (Junio C. Hamano's message of "Thu, 10 Sep 2015 09:56:25 -0700")

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

> Karthik Nayak <karthik.188@gmail.com> writes:
>
>> -		} else if (starts_with(name, "color:")) {
>> +		} else if (match_atom_name(name, "color", &valp)) {
>
> Why use the helper only for this one?  Aren't existing calls to
> starts_with() in the same if/else if/... cascade all potential bugs
> that the new helper function is meant to help fixing?  For example,
> the very fist one in the cascade:
>
> 	if (starts_with(name, "refname"))
>         	refname = ref->refname;
>
> is correct *ONLY* when name is "refname" or "refname:" followed by
> something, and it should skip "refnamex" when such a new atom is
> added to valid_atom[] list, i.e. a bug waiting to happen.  I think
> the new helper is designed to prevent such a bug from happening.

I fully agree, but I also think that this should be a separate topic.

-- 
Matthieu Moy
http://www-verimag.imag.fr/~moy/

  reply	other threads:[~2015-09-10 16:59 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-10 15:48 [PATCH v17 00/14] port tag.c to use ref-filter APIs Karthik Nayak
2015-09-10 15:48 ` [PATCH v17 01/14] ref-filter: move `struct atom_value` to ref-filter.c Karthik Nayak
2015-09-10 15:48 ` [PATCH v17 02/14] ref-filter: introduce ref_formatting_state and ref_formatting_stack Karthik Nayak
2015-09-10 15:48 ` [PATCH v17 03/14] utf8: add function to align a string into given strbuf Karthik Nayak
2015-09-10 15:48 ` [PATCH v17 04/14] ref-filter: introduce handler function for each atom Karthik Nayak
2015-09-10 15:48 ` [PATCH v17 05/14] ref-filter: introduce match_atom_name() Karthik Nayak
2015-09-10 16:49   ` Matthieu Moy
2015-09-10 17:23     ` Junio C Hamano
2015-09-10 18:58       ` Matthieu Moy
2015-09-10 16:56   ` Junio C Hamano
2015-09-10 16:59     ` Matthieu Moy [this message]
2015-09-10 18:25       ` Junio C Hamano
2015-09-10 17:00     ` Karthik Nayak
2015-09-10 17:28       ` Junio C Hamano
2015-09-10 17:35         ` Karthik Nayak
2015-09-10 17:45           ` Junio C Hamano
2015-09-10 17:49             ` Karthik Nayak
2015-09-11 14:59   ` Karthik Nayak
2015-09-11 15:01   ` [PATCH v17 06/14] ref-filter: implement an `align` atom Karthik Nayak
2015-09-10 15:48 ` Karthik Nayak
2015-09-10 16:53   ` Matthieu Moy
2015-09-10 16:59   ` Junio C Hamano
2015-09-11 15:03   ` Karthik Nayak
2015-09-10 15:48 ` [PATCH v17 07/14] ref-filter: add option to filter out tags, branches and remotes Karthik Nayak
2015-09-10 15:48 ` [PATCH v17 08/14] ref-filter: add support for %(contents:lines=X) Karthik Nayak
2015-09-10 17:14   ` Junio C Hamano
2015-09-10 17:37     ` Karthik Nayak
2015-09-11 15:04   ` Karthik Nayak
2015-09-10 15:48 ` [PATCH v17 09/14] ref-filter: add support to sort by version Karthik Nayak
2015-09-10 15:48 ` [PATCH v17 10/14] ref-filter: add option to match literal pattern Karthik Nayak
2015-09-10 15:48 ` [PATCH v17 11/14] tag.c: use 'ref-filter' data structures Karthik Nayak
2015-09-10 16:22 ` [PATCH v17 12/14] tag.c: use 'ref-filter' APIs Karthik Nayak
2015-09-11 15:06   ` Karthik Nayak
2015-09-10 16:22 ` [PATCH v17 13/14] tag.c: implement '--format' option Karthik Nayak
2015-09-10 17:59   ` Junio C Hamano
2015-09-10 18:04     ` Karthik Nayak
2015-09-11 15:06   ` Karthik Nayak
2015-09-10 16:22 ` [PATCH v17 14/14] tag.c: implement '--merged' and '--no-merged' options Karthik Nayak
2015-09-17 21:36   ` John Keeping
2015-09-17 22:09     ` Junio C Hamano
2015-09-18  7:10       ` Matthieu Moy
2015-09-18  8:42         ` John Keeping
2015-09-18  9:13           ` Matthieu Moy
2015-09-18 15:10           ` Karthik Nayak
2015-09-18 15:19             ` Matthieu Moy
2015-09-18 15:22               ` Karthik Nayak
2015-09-18 15:30                 ` Matthieu Moy
2015-09-18 15:38                   ` Karthik Nayak
2015-09-18 15:44                     ` Matthieu Moy
2015-09-10 16:57 ` [PATCH v17 00/14] port tag.c to use ref-filter APIs Matthieu Moy
2015-09-11 15:08   ` Karthik Nayak
2015-09-11 17:30     ` Eric Sunshine
2015-09-11 18:05       ` Junio C Hamano
2015-09-11 18:12         ` Karthik Nayak
2015-09-12  9:14     ` Matthieu Moy
2015-09-13  4:54       ` Karthik Nayak

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