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From: Siddharth Asthana <siddharthasthana31@gmail•com>
To: Christian Couder <christian.couder@gmail•com>
Cc: git@vger•kernel.org, Junio C Hamano <gitster@pobox•com>,
	Karthik Nayak <karthik.188@gmail•com>,
	Justin Tobler <jltobler@gmail•com>,
	Elijah Newren <newren@gmail•com>, Patrick Steinhardt <ps@pks•im>,
	Toon Claes <toon@iotcl•com>, John Cai <johncai86@gmail•com>,
	Johannes Schindelin <Johannes.Schindelin@gmx•de>
Subject: Re: [PATCH 0/2] replay: add --update-refs option
Date: Tue, 9 Sep 2025 12:06:45 +0530	[thread overview]
Message-ID: <f4025223-a0ac-416f-b489-d42a07acc0b7@gmail.com> (raw)
In-Reply-To: <CAP8UFD2XyqgypPfkQav4Fub0AEwyJjXpvfwMPe-adWyCKRa7fQ@mail.gmail.com>


On 08/09/25 11:37, Christian Couder wrote:
> On Mon, Sep 8, 2025 at 6:36 AM Siddharth Asthana
> <siddharthasthana31@gmail•com> wrote:
>> This patch series adds a --update-refs option to git replay. Right now,
>> when you use git replay, you need to pipe its output to git update-ref
>> like this:
>>
>>      git replay --onto main topic1..topic2 | git update-ref --stdin
>>
>> This works fine, but it means running two commands and doesn't give you
>> atomic transactions by default. The new --update-refs option lets you do
>> the ref updates directly:
>>
>>      git replay --update-refs --onto main topic1..topic2
> Thanks for working on this.
>
>> I discussed this feature with Christian Couder earlier, and we agreed that
>> it would be useful for server-side operations where you want atomic updates.
> Yeah, right. This is something the Git team at GitLab has been
> interested in for some time.
>
>> The way it works:
>> - By default, it uses atomic transactions (all refs get updated or none do)
>> - There's a --batch option if you want some updates to succeed even if
>>    others fail
>> - It works with bare repositories, which is important for server operations
>>    like Gitaly
>> - When it succeeds, it doesn't print anything (just like git update-ref
>>    --stdin)
>> - You can't use --update-refs with the existing --update option
> There is no existing --update option. This series also introduces the
> --update option.
You are right that was confusing wording in my cover letter. Both 
--update and --update-refs are new in this series.
>
>> This should help with git replay's goal of being good for server-side
>> operations. It also makes the command simpler to use since you don't need
>> the pipeline anymore, and the atomic behavior is better for reliability.
> I have commented only on the documentation patch for now as I think
> it's better to review the design of the new options first, and the
> documentation looks like a good place for that.
>
> Thanks again.

  reply	other threads:[~2025-09-09  6:36 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 [this message]
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
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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