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From: Junio C Hamano <gitster@pobox.com>
To: Elijah Newren <newren@gmail.com>
Cc: Yannik Tausch <dev@ytausch.de>,  git@vger.kernel.org
Subject: Re: [PATCH v2 2/2] dir: find common prefix among non-exclude pathspec items
Date: Sat, 05 Sep 2026 09:14:18 -0700	[thread overview]
Message-ID: <xmqqse3n65gl.fsf@gitster.g> (raw)
In-Reply-To: <CABPp-BHviE8uLgh6PE=6MYkz_zTDZfKU9CbHQjJOeLgA=qpUSA@mail.gmail.com> (Elijah Newren's message of "Fri, 4 Sep 2026 12:19:17 -0700")

Elijah Newren <newren@gmail.com> writes:

> Maybe I'm misreading the code.  Did it always grab the first two bytes
> of the element at the beginning of pathspec, or did it get an empty
> string?  By my reading of the code (copied here for convenience), it
> got an empty string:

No, I was the one who misread the code.  Indeed in the loop, we
assume all elements in the pathspec share the same prefix we have
found to be valid so far (the loop is about shortening what we found
so far with later elements in the pathspec), and blindly use the
first element, which is wrong.


  reply	other threads:[~2026-09-05 16:14 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-02 13:04 [PATCH] dir: find common prefix among positive pathspecs Yannik Tausch
2026-09-02 17:07 ` Junio C Hamano
2026-09-03  9:59   ` Yannik Tausch
2026-09-03 10:02     ` [PATCH v2 0/2] dir: fix pathspec prefixes with exclusions Yannik Tausch
2026-09-03 10:03       ` [PATCH v2 1/2] dir: do not apply prefix to negative pathspecs Yannik Tausch
2026-09-04  5:00         ` Elijah Newren
2026-09-04 14:21           ` Junio C Hamano
2026-09-03 10:04       ` [PATCH v2 2/2] dir: find common prefix among non-exclude pathspec items Yannik Tausch
     [not found]         ` <CY5PR17MB6144A1A7BF2E101FE26A6A85B1B62@CY5PR17MB6144.namprd17.prod.outlook.com>
2026-09-03 11:49           ` Yannik Tausch
2026-09-03 18:11         ` Junio C Hamano
2026-09-03 18:13           ` pathspec: match and original in pathspec_item are const Junio C Hamano
2026-09-03 18:37             ` Yannik Tausch
2026-09-03 18:51               ` Junio C Hamano
2026-09-03 18:57                 ` Yannik Tausch
2026-09-03 21:05                   ` Junio C Hamano
2026-09-03 21:13                     ` Yannik Tausch
2026-09-04  5:02         ` [PATCH v2 2/2] dir: find common prefix among non-exclude pathspec items Elijah Newren
2026-09-04 16:43           ` Junio C Hamano
2026-09-04 19:19             ` Elijah Newren
2026-09-05 16:14               ` Junio C Hamano [this message]
2026-09-03 18:06       ` [PATCH v2 0/2] dir: fix pathspec prefixes with exclusions Yannik Tausch
2026-09-03 18:43       ` [PATCH v3 0/3] " Yannik Tausch
2026-09-03 18:44         ` [PATCH v3 1/3] pathspec: match and original in pathspec_item are const Yannik Tausch
2026-09-03 18:45         ` [PATCH v3 2/3] dir: do not apply prefix to negative pathspecs Yannik Tausch
2026-09-03 18:45         ` [PATCH v3 3/3] dir: find common prefix among non-exclude pathspec items Yannik Tausch

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