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From: Junio C Hamano <gitster@pobox•com>
To: Christian Couder <christian.couder@gmail•com>
Cc: git@vger•kernel.org, "Jeff King" <peff@peff•net>,
	"Ævar Arnfjörð Bjarmason" <avarab@gmail•com>,
	"Nguyen Thai Ngoc Duy" <pclouds@gmail•com>,
	"David Turner" <dturner@twopensource•com>,
	"Eric Sunshine" <sunshine@sunshineco•com>,
	"Torsten Bögershausen" <tboegi@web•de>,
	"Christian Couder" <chriscool@tuxfamily•org>
Subject: Re: [PATCH v4 08/10] dir: simplify untracked cache "ident" field
Date: Tue, 29 Dec 2015 14:32:58 -0800	[thread overview]
Message-ID: <xmqqsi2kga1x.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <1451372974-16266-9-git-send-email-chriscool@tuxfamily.org> (Christian Couder's message of "Tue, 29 Dec 2015 08:09:32 +0100")

Christian Couder <christian.couder@gmail•com> writes:

> -static int ident_in_untracked(const struct untracked_cache *uc)
> +static int ident_current_location_in_untracked(const struct untracked_cache *uc)
>  {
> -	const char *end = uc->ident.buf + uc->ident.len;
> -	const char *p   = uc->ident.buf;
> +	struct strbuf cur_loc = STRBUF_INIT;
> +	int res = 0;
>  
> -	for (p = uc->ident.buf; p < end; p += strlen(p) + 1)
> -		if (!strcmp(p, get_ident_string()))
> -			return 1;
> -	return 0;
> +	/*
> +	 * Previous git versions may have saved many strings in the
> +	 * "ident" field, but it is insane to manage many locations,
> +	 * so just take care of the first one.
> +	 */
> +
> +	strbuf_addf(&cur_loc, "Location %s, system ", get_git_work_tree());
> +
> +	if (starts_with(uc->ident.buf, cur_loc.buf))
> +		res = 1;
> +
> +	strbuf_release(&cur_loc);
> +
> +	return res;
>  }

The ", system " part looks funny.  I think I know what you are
trying to do, though.

If the path to the working tree has ", system " as a substring,
I wonder if funny things may happen with this starts_with()?

  reply	other threads:[~2015-12-29 22:33 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-29  7:09 [PATCH v4 00/10] Untracked cache improvements Christian Couder
2015-12-29  7:09 ` [PATCH v4 01/10] dir: free untracked cache when removing it Christian Couder
2015-12-29 22:26   ` Junio C Hamano
2015-12-29  7:09 ` [PATCH v4 02/10] update-index: use enum for untracked cache options Christian Couder
2015-12-29  7:09 ` [PATCH v4 03/10] update-index: add --test-untracked-cache Christian Couder
2015-12-29 22:28   ` Junio C Hamano
2015-12-29  7:09 ` [PATCH v4 04/10] update-index: add untracked cache notifications Christian Couder
2015-12-29  7:09 ` [PATCH v4 05/10] update-index: move 'uc' var declaration Christian Couder
2015-12-29  7:09 ` [PATCH v4 06/10] dir: add {new,add}_untracked_cache() Christian Couder
2015-12-29  7:09 ` [PATCH v4 07/10] dir: add remove_untracked_cache() Christian Couder
2015-12-29  7:09 ` [PATCH v4 08/10] dir: simplify untracked cache "ident" field Christian Couder
2015-12-29 22:32   ` Junio C Hamano [this message]
2015-12-30 22:01     ` Christian Couder
2015-12-30 11:47   ` Torsten Bögershausen
2015-12-30 17:20     ` Christian Couder
2015-12-29  7:09 ` [PATCH v4 09/10] config: add core.untrackedCache Christian Couder
2015-12-29 22:35   ` Junio C Hamano
2015-12-30 22:47     ` Christian Couder
2015-12-30 23:23       ` Junio C Hamano
2015-12-31 12:33         ` Christian Couder
2016-01-04 18:09           ` Junio C Hamano
2016-01-08 17:52             ` Christian Couder
2016-01-08 19:43               ` Junio C Hamano
2015-12-29  7:09 ` [PATCH v4 10/10] t7063: add tests for core.untrackedCache Christian Couder

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