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From: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: "René Scharfe" <l.s.r@web.de>,
	git@vger.kernel.org, "Christoph Berg" <myon@debian.org>,
	"Duy Nguyen" <pclouds@gmail.com>
Subject: Re: [PATCH] grep: provide a noop --recursive option
Date: Fri, 05 Oct 2018 14:49:07 +0200	[thread overview]
Message-ID: <87h8i0h83g.fsf@evledraar.gmail.com> (raw)
In-Reply-To: <xmqqmurszu2d.fsf@gitster-ct.c.googlers.com>


On Fri, Oct 05 2018, Junio C Hamano wrote:

> René Scharfe <l.s.r@web.de> writes:
>
>>
>> Recognize -r and --recursive as synonyms for --max-depth=-1 for
>> compatibility with GNU grep; it's still the default for git grep.
>>
>> This also adds --no-recursive as synonym for --max-depth=0 for free,
>> which is welcome for completeness and consistency.
>>
>> Fix the description for --max-depth, while we're at it -- negative
>> values other than -1 actually disable recursion, i.e. they are
>> equivalent to --max-depth=0.
>> ...
>> diff --git a/builtin/grep.c b/builtin/grep.c
>> index 601f801158..f6e127f0bc 100644
>> --- a/builtin/grep.c
>> +++ b/builtin/grep.c
>> @@ -811,6 +811,8 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
>>  			GREP_BINARY_NOMATCH),
>>  		OPT_BOOL(0, "textconv", &opt.allow_textconv,
>>  			 N_("process binary files with textconv filters")),
>> +		OPT_SET_INT('r', "recursive", &opt.max_depth,
>> +			    N_("search in subdirectories (default)"), -1),
>
> Wow.
>
> I didn't think of this trick to let OPT_SET_INT() to grok --no-* and
> set the variable to 0.  Being able to do this without a custom
> callback is certainly very nice.
>
> The patch looks good.

FWIW I'm not going to carry this series forward, I wrote it more as a
"here's how this could be done". But if Christoph / René wants to hack
on it...

  reply	other threads:[~2018-10-05 12:49 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-29 14:01 wishlist: git grep -r Christoph Berg
2018-09-29 14:55 ` [PATCH] grep: provide a noop --recursive option Ævar Arnfjörð Bjarmason
2018-09-29 15:08   ` Duy Nguyen
2018-09-29 15:25     ` Ævar Arnfjörð Bjarmason
2018-09-29 15:47       ` Duy Nguyen
2018-09-29 17:11   ` Junio C Hamano
2018-09-29 19:38     ` Christoph Berg
2018-10-01 19:15     ` René Scharfe
2018-10-05  8:17       ` Junio C Hamano
2018-10-05 12:49         ` Ævar Arnfjörð Bjarmason [this message]
2018-10-01 19:23   ` Stefan Beller
2018-10-05  8:15     ` Christoph Berg
2018-10-05  8:19     ` Junio C Hamano
2018-10-05 13:05       ` Mischa POSLAWSKY
2018-10-05 19:17         ` Stefan Beller

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