From: Junio C Hamano <gitster@pobox.com>
To: Nguyen Thai Ngoc Duy <pclouds@gmail.com>
Cc: git@vger.kernel.org
Subject: Re: What's cooking in git.git (Oct 2012, #01; Tue, 2)
Date: Wed, 03 Oct 2012 23:01:04 -0700 [thread overview]
Message-ID: <7v626q3hen.fsf@alter.siamese.dyndns.org> (raw)
In-Reply-To: <CACsJy8CAGaEzGZBJq7pOW_2SDpRDLiPqJK0t2WjpuNqLU+yewQ@mail.gmail.com> (Nguyen Thai Ngoc Duy's message of "Thu, 4 Oct 2012 08:56:36 +0700")
Nguyen Thai Ngoc Duy <pclouds@gmail.com> writes:
>> I am guessing that the only sensible definition is that "**"
>> requires anything that comes before it (if exists) is at a proper
>> hierarchy boundary, and anything matches it is also at a proper
>> hierarchy boundary, so "x**y" matches "x/a/y"
>
> and "x/y" too? (As opposed to "x/**/y" which does not)
Yeah, x**y would match x/y under that "sensible" semantics.
>> and not "xy", "xay",
>> nor "xa/by" in the above example. If "x**y" can match "xy" or "xay"
>> (or "**foo" can match "afoo"), it would be unreasonable to say it
>> implies the pattern is anchored at any level, no?
>
> Yeah. That makes things easier to reason, though not exactly what we're having.
It sounds like that "x**y" with the code you imported would match
"xy" and "xa/b/cy", and I do not think of a concise and good way to
describe what it does to the end users.
"matches anything including '/'" is not a useful description for the
purpose of allowing the user to intuitively understand why "x**y" is
anchored at the level (or is not anchored and can appear anywhere).
Perhaps the wildmatch code may not be what we want X-<.
next prev parent reply other threads:[~2012-10-04 21:56 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-02 23:20 What's cooking in git.git (Oct 2012, #01; Tue, 2) Junio C Hamano
2012-10-03 15:23 ` Nguyen Thai Ngoc Duy
2012-10-03 18:17 ` Junio C Hamano
2012-10-04 1:56 ` Nguyen Thai Ngoc Duy
2012-10-04 6:01 ` Junio C Hamano [this message]
2012-10-04 7:39 ` [PATCH 0/6] wildmatch part 2 Nguyễn Thái Ngọc Duy
2012-10-04 7:39 ` [PATCH 1/6] attr: remove the union in struct match_attr Nguyễn Thái Ngọc Duy
2012-10-04 7:39 ` [PATCH 2/6] attr: avoid strlen() on every match Nguyễn Thái Ngọc Duy
2012-10-04 7:39 ` [PATCH 3/6] attr: avoid searching for basename " Nguyễn Thái Ngọc Duy
2012-10-04 7:39 ` [PATCH 4/6] attr: more matching optimizations from .gitignore Nguyễn Thái Ngọc Duy
2012-10-04 7:39 ` [PATCH 5/6] gitignore: do not do basename match with patterns that have '**' Nguyễn Thái Ngọc Duy
2012-10-04 17:59 ` Junio C Hamano
2012-10-05 7:01 ` Johannes Sixt
2012-10-05 11:23 ` Nguyen Thai Ngoc Duy
2012-10-04 7:39 ` [PATCH 6/6] t3001: note about expected "**" behavior Nguyễn Thái Ngọc Duy
2012-10-04 18:04 ` Junio C Hamano
2012-10-04 17:43 ` [PATCH 0/6] wildmatch part 2 Junio C Hamano
2012-10-04 9:34 ` What's cooking in git.git (Oct 2012, #01; Tue, 2) Michael Haggerty
2012-10-04 11:46 ` Nguyen Thai Ngoc Duy
2012-10-04 15:17 ` Michael Haggerty
2012-10-04 16:39 ` Junio C Hamano
2012-10-05 12:19 ` Andreas Schwab
2012-10-05 12:30 ` Matthieu Moy
2012-10-05 14:15 ` Andreas Schwab
2012-10-05 13:21 ` Nguyen Thai Ngoc Duy
2012-10-04 8:17 ` David Michael Barr
2012-10-04 8:30 ` fa/remote-svn (Re: What's cooking in git.git (Oct 2012, #01; Tue, 2)) Jonathan Nieder
2012-10-04 13:16 ` Stephen Bash
2012-10-04 16:30 ` Junio C Hamano
2012-10-04 16:27 ` What's cooking in git.git (Oct 2012, #01; Tue, 2) Junio C Hamano
2012-10-30 12:15 ` Florian Achleitner
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