Re: batch-command wishlist [was: [TOPIC 02/12] Libification Goals and Progress]

From: Junio C Hamano <gitster@pobox.com>
Date: Oct 3, 2023, 16:15 UTC
Message-ID: <xmqq7co33cok.fsf@gitster.g>
In-Reply-To: <20231003005251.M353509@dcvr>

Eric Wong <e@80x24.org> writes:

Show 11 quoted lines

> Taylor Blau <me@ttaylorr.com> wrote:
>> * (Jonathan Tan) back to process isolation: is the short lifetime of the process
>>   important?
>> * (Taylor Blau) seems like an impossible goal to be able to do multi-command
>>   executions in a single process, the code is just not designed for it.
>
> -- Split out from https://lore.kernel.org/git/ZRrfN2lbg14IOLiK@nand.local/
> Thanks for posting in an accessible format for non-JS/video users.
>
>> * (Junio) is anybody using the `git cat-file --batch-command` mode that switches
>>   between batch and batch-check.

This is not exactly what I asked about---I was asking about the use of the "a long living process serves many requests" pattern ;-)

Show 5 quoted lines

> But it would be nice if --batch-command grew more functionality:
>
> * ability to add/remove alternates
> * ability to specify a preferred alternate for a lookup[1]
> * detect unlinked packs/removed repos

To the third you would also want to notice an updated index, too.

Show 7 quoted lines

> Not sure if cat-file is the place for it, but a persistent
> process to deal with:
>
> * `git config -f FILENAME ...' (especially --get-urlmatch --type=FOO)
> * approxidate parsing for other tools[2]
>
> Would also be nice...

"git daemon" ;-)?