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From: Junio C Hamano <gitster@pobox.com>
To: "Paulo Casaretto via GitGitGadget" <gitgitgadget@gmail.com>
Cc: git@vger.kernel.org, "Taylor Blau" <me@ttaylorr.com>,
	"D. Ben Knoble" <ben.knoble@gmail.com>,
	"Torsten Bögershausen" <tboegi@web.de>,
	"Jeff King" <peff@peff.net>,
	"Paulo Casaretto (Shopify)" <paulo.casaretto@shopify.com>,
	"Paulo Casaretto" <pcasaretto@gmail.com>
Subject: Re: [PATCH v2] lockfile: add PID file for debugging stale locks
Date: Thu, 18 Dec 2025 10:33:32 +0900	[thread overview]
Message-ID: <xmqq7bukzi8j.fsf@gitster.g> (raw)
In-Reply-To: <xmqqbjjwzkd4.fsf@gitster.g> (Junio C. Hamano's message of "Thu, 18 Dec 2025 09:47:35 +0900")

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

> As this is about lockfile, you need to decide what should happen
> when an older version of Git, which is unaware of this new world
> order where .git/index.pid.lock declares ".git/index is being
> updated; you should not touch it!", comes to the repository.  You,
> as a user of the updated Git, do want them to stop interferring with
> the operation on the repository your new Git is making, and it means
> you should have some way to telling them "do not touch---you do not
> even understand what is in this repository!".

Ah, sorry, I take this back.  We are not replacing index.lock with
something else; we are adding index.pid.lock in addition; older
versions of Git would simply ignore the new file, still notice
index.lock and stop.  So no need for extensions, either.


  reply	other threads:[~2025-12-18  1:33 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-02 15:07 [PATCH] lockfile: add PID file for debugging stale locks Paulo Casaretto via GitGitGadget
2025-12-02 22:29 ` D. Ben Knoble
2025-12-03 19:48 ` Torsten Bögershausen
2025-12-03 21:16 ` Jeff King
2025-12-03 22:21   ` Junio C Hamano
2025-12-03 22:32     ` Jeff King
2025-12-03 23:19   ` Taylor Blau
2025-12-05 11:03     ` Patrick Steinhardt
2025-12-05 18:46     ` Jeff King
2025-12-03 23:39 ` Taylor Blau
2025-12-17 18:59 ` [PATCH v2] " Paulo Casaretto via GitGitGadget
2025-12-18  0:32   ` Junio C Hamano
2025-12-18  0:47   ` Junio C Hamano
2025-12-18  1:33     ` Junio C Hamano [this message]
2025-12-18  3:38   ` Ben Knoble
2025-12-18  8:07   ` Patrick Steinhardt
2025-12-24 12:24   ` [PATCH v3] " Paulo Casaretto via GitGitGadget
2025-12-25  0:01     ` Junio C Hamano
2025-12-27  7:50     ` Jeff King

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