Re: [PATCH v2 1/1] replay: make atomic ref updates the default behavior

> Hi Siddharth
>
> On 27/09/2025 00:08, Siddharth Asthana wrote:
>> The git replay command currently outputs update commands that must be
>> piped to git update-ref --stdin to actually update references:
>>
>>      git replay --onto main topic1..topic2 | git update-ref --stdin
>>
>> This design has significant limitations for server-side operations. The
>> two-command pipeline creates coordination complexity, provides no atomic
>> transaction guarantees by default
>
> Are you sure that's true? Maybe I'm missing something but my reading of
> builtin/update-ref.c is that it when "--stdin" is given it starts a ref
> transaction, reads the commands from stdin and applies them to that
> transaction and then commits the transaction which will make the updates
> atomic.
>