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From: Junio C Hamano <gitster@pobox.com>
To: Elijah Newren <newren@gmail.com>
Cc: Siddharth Asthana <siddharthasthana31@gmail.com>,
	 git@vger.kernel.org, christian.couder@gmail.com,
	 phillip.wood123@gmail.com, phillip.wood@dunelm.org.uk,
	 ps@pks.im,  karthik.188@gmail.com, code@khaugsbakk.name,
	 rybak.a.v@gmail.com,  jltobler@gmail.com, toon@iotcl.com,
	 johncai86@gmail.com,  johannes.schindelin@gmx.de
Subject: Re: [PATCH v6 2/3] replay: make atomic ref updates the default behavior
Date: Fri, 31 Oct 2025 12:59:56 -0700	[thread overview]
Message-ID: <xmqqldkq266b.fsf@gitster.g> (raw)
In-Reply-To: <CABPp-BGmHegyqvN48vJO1Y9gWVDk5u2SO5_i9KMw2aoAtmNuyw@mail.gmail.com> (Elijah Newren's message of "Fri, 31 Oct 2025 11:49:31 -0700")

Elijah Newren <newren@gmail.com> writes:

> I'm not sure the implementation details section above makes sense to
> include in the commit message; it feels like it's not providing much
> high level information nor much "why" information, but just presenting
> an alternative view of the information people will find in the patch.
> Perhaps leave it out?

Sounds like a good thing to do.

>> Test suite changes:
>>
>> All existing tests that expected command output now use
>> --ref-action=print to preserve their original behavior. This keeps
>> the tests valid while allowing them to verify that the pipeline workflow
>> still works correctly.
>>
>> New tests were added to verify:
>>   - Default atomic behavior (no output, refs updated directly)
>>   - Bare repository support (server-side use case)
>>   - Equivalence between traditional pipeline and atomic updates
>>   - Real atomicity using a lock file to verify all-or-nothing guarantee
>>   - Test isolation using test_when_finished to clean up state
>>
>> The bare repository tests were fixed to rebuild their expectations
>> independently rather than comparing to previous test output, improving
>> test reliability and isolation.
>
> The above paragraph sounds like you are comparing to an earlier
> series, which will confuse future readers who only compare to code
> that existed before your patches.

Yup, such an update relative to previous iterations belongs in the
cover letter and below the three-dash line.

> Otherwise, the patch looks good.  This is really close to being ready
> to merge; just a few minor fixups needed that I highlighted above.

Yup, I agree with all the comments I saw here.  Thanks for a great
review.



  reply	other threads:[~2025-10-31 20:00 UTC|newest]

Thread overview: 125+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-08  4:36 [PATCH 0/2] replay: add --update-refs option Siddharth Asthana
2025-09-08  4:36 ` [PATCH 1/2] " Siddharth Asthana
2025-09-08  9:54   ` Patrick Steinhardt
2025-09-09  6:58     ` Siddharth Asthana
2025-09-09  9:00       ` Patrick Steinhardt
2025-09-09  7:32   ` Elijah Newren
2025-09-10 17:58     ` Siddharth Asthana
2025-09-08  4:36 ` [PATCH 2/2] replay: document --update-refs and --batch options Siddharth Asthana
2025-09-08  6:00   ` Christian Couder
2025-09-09  6:36     ` Siddharth Asthana
2025-09-09  7:26       ` Christian Couder
2025-09-10 20:26         ` Siddharth Asthana
2025-09-08 14:40   ` Kristoffer Haugsbakk
2025-09-09  7:06     ` Siddharth Asthana
2025-09-09 19:20   ` Andrei Rybak
2025-09-10 20:28     ` Siddharth Asthana
2025-09-08  6:07 ` [PATCH 0/2] replay: add --update-refs option Christian Couder
2025-09-09  6:36   ` Siddharth Asthana
2025-09-08 14:33 ` Kristoffer Haugsbakk
2025-09-09  7:04   ` Siddharth Asthana
2025-09-09  7:13 ` Elijah Newren
2025-09-09  7:47   ` Christian Couder
2025-09-09  9:19     ` Elijah Newren
2025-09-09 16:44       ` Junio C Hamano
2025-09-09 19:52         ` Elijah Newren
2025-09-26 23:08 ` [PATCH v2 0/1] replay: make atomic ref updates the default behavior Siddharth Asthana
2025-09-26 23:08   ` [PATCH v2 1/1] " Siddharth Asthana
2025-09-30  8:23     ` Christian Couder
2025-10-02 22:16       ` Siddharth Asthana
2025-10-03  7:30         ` Christian Couder
2025-10-02 22:55       ` Elijah Newren
2025-10-03  7:05         ` Christian Couder
2025-09-30 10:05     ` Phillip Wood
2025-10-02 10:00       ` Karthik Nayak
2025-10-02 22:20         ` Siddharth Asthana
2025-10-02 22:20       ` Siddharth Asthana
2025-10-08 14:01         ` Phillip Wood
2025-10-08 20:09           ` Siddharth Asthana
2025-10-08 20:59             ` Elijah Newren
2025-10-08 21:16               ` Siddharth Asthana
2025-10-09  9:40             ` Phillip Wood
2025-10-02 16:32     ` Elijah Newren
2025-10-02 18:27       ` Junio C Hamano
2025-10-02 23:42         ` Siddharth Asthana
2025-10-02 23:27       ` Siddharth Asthana
2025-10-03  7:59         ` Christian Couder
2025-10-08 19:59           ` Siddharth Asthana
2025-10-03 19:48         ` Elijah Newren
2025-10-03 20:32           ` Junio C Hamano
2025-10-08 20:06             ` Siddharth Asthana
2025-10-08 20:59               ` Junio C Hamano
2025-10-08 21:10                 ` Siddharth Asthana
2025-10-08 21:30               ` Elijah Newren
2025-10-08 20:05           ` Siddharth Asthana
2025-10-02 17:14   ` [PATCH v2 0/1] " Kristoffer Haugsbakk
2025-10-02 23:36     ` Siddharth Asthana
2025-10-03 19:05       ` Kristoffer Haugsbakk
2025-10-08 20:02         ` Siddharth Asthana
2025-10-08 20:56           ` Elijah Newren
2025-10-08 21:16             ` Kristoffer Haugsbakk
2025-10-08 21:18             ` Siddharth Asthana
2025-10-13 18:33   ` [PATCH v3 0/3] replay: make atomic ref updates the default Siddharth Asthana
2025-10-13 18:33     ` [PATCH v3 1/3] replay: use die_for_incompatible_opt2() for option validation Siddharth Asthana
2025-10-13 18:33     ` [PATCH v3 2/3] replay: make atomic ref updates the default behavior Siddharth Asthana
2025-10-13 22:05       ` Junio C Hamano
2025-10-15  5:01         ` Siddharth Asthana
2025-10-13 18:33     ` [PATCH v3 3/3] replay: add replay.defaultAction config option Siddharth Asthana
2025-10-13 19:39     ` [PATCH v3 0/3] replay: make atomic ref updates the default Junio C Hamano
2025-10-15  4:57       ` Siddharth Asthana
2025-10-15 10:33         ` Christian Couder
2025-10-15 14:45         ` Junio C Hamano
2025-10-22 18:50     ` [PATCH v4 " Siddharth Asthana
2025-10-22 18:50       ` [PATCH v4 1/3] replay: use die_for_incompatible_opt2() for option validation Siddharth Asthana
2025-10-22 18:50       ` [PATCH v4 2/3] replay: make atomic ref updates the default behavior Siddharth Asthana
2025-10-22 21:19         ` Junio C Hamano
2025-10-28 19:03           ` Siddharth Asthana
2025-10-24 10:37         ` Christian Couder
2025-10-24 15:23           ` Junio C Hamano
2025-10-28 20:18             ` Siddharth Asthana
2025-10-28 19:39           ` Siddharth Asthana
2025-10-22 18:50       ` [PATCH v4 3/3] replay: add replay.refAction config option Siddharth Asthana
2025-10-24 11:01         ` Christian Couder
2025-10-24 15:30           ` Junio C Hamano
2025-10-28 20:08             ` Siddharth Asthana
2025-10-28 19:26           ` Siddharth Asthana
2025-10-24 13:28         ` Phillip Wood
2025-10-24 13:36           ` Phillip Wood
2025-10-28 19:47             ` Siddharth Asthana
2025-10-28 19:46           ` Siddharth Asthana
2025-10-23 18:47       ` [PATCH v4 0/3] replay: make atomic ref updates the default Junio C Hamano
2025-10-25 16:57         ` Junio C Hamano
2025-10-28 20:19         ` Siddharth Asthana
2025-10-24  9:39       ` Christian Couder
2025-10-28 21:46       ` [PATCH v5 " Siddharth Asthana
2025-10-28 21:46         ` [PATCH v5 1/3] replay: use die_for_incompatible_opt2() for option validation Siddharth Asthana
2025-10-28 21:46         ` [PATCH v5 2/3] replay: make atomic ref updates the default behavior Siddharth Asthana
2025-10-28 21:46         ` [PATCH v5 3/3] replay: add replay.refAction config option Siddharth Asthana
2025-10-29 16:19           ` Christian Couder
2025-10-29 17:00             ` Siddharth Asthana
2025-10-30 19:19         ` [PATCH v6 0/3] replay: make atomic ref updates the default Siddharth Asthana
2025-10-30 19:19           ` [PATCH v6 1/3] replay: use die_for_incompatible_opt2() for option validation Siddharth Asthana
2025-10-31 18:47             ` Elijah Newren
2025-11-05 18:39               ` Siddharth Asthana
2025-10-30 19:19           ` [PATCH v6 2/3] replay: make atomic ref updates the default behavior Siddharth Asthana
2025-10-31 18:49             ` Elijah Newren
2025-10-31 19:59               ` Junio C Hamano [this message]
2025-11-05 19:07               ` Siddharth Asthana
2025-11-03 16:25             ` Phillip Wood
2025-11-03 19:32               ` Siddharth Asthana
2025-11-04 16:15                 ` Phillip Wood
2025-10-30 19:19           ` [PATCH v6 3/3] replay: add replay.refAction config option Siddharth Asthana
2025-10-31  7:08             ` Christian Couder
2025-11-05 19:03               ` Siddharth Asthana
2025-10-31 18:49             ` Elijah Newren
2025-11-05 19:10               ` Siddharth Asthana
2025-10-31 18:51           ` [PATCH v6 0/3] replay: make atomic ref updates the default Elijah Newren
2025-11-05 19:15           ` [PATCH v7 " Siddharth Asthana
2025-11-05 19:15             ` [PATCH v7 1/3] replay: use die_for_incompatible_opt2() for option validation Siddharth Asthana
2025-11-05 19:16             ` [PATCH v7 2/3] replay: make atomic ref updates the default behavior Siddharth Asthana
2025-11-05 19:16             ` [PATCH v7 3/3] replay: add replay.refAction config option Siddharth Asthana
2025-11-06 19:32             ` [PATCH v7 0/3] replay: make atomic ref updates the default Elijah Newren
2025-11-08 13:22               ` Siddharth Asthana
2025-11-08 17:11                 ` Elijah Newren
2025-11-07 15:48             ` Phillip Wood
2025-11-08 13:23               ` Siddharth Asthana

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