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From: Lars Schneider <larsxschneider@gmail.com>
To: Git Mailing List <git@vger.kernel.org>
Subject: RFC: Enable delayed responses to Git clean/smudge filter requests
Date: Mon, 14 Nov 2016 22:09:56 +0100
Message-ID: <D10F7C47-14E8-465B-8B7A-A09A1B28A39F@gmail.com> (raw)

Hi,

Git always performs a clean/smudge filter on files in sequential order.
Sometimes a filter operation can take a noticeable amount of time. 
This blocks the entire Git process.

I would like to give a filter process the possibility to answer Git with
"I got your request, I am processing it, ask me for the result later!".

I see the following way to realize this:

In unpack-trees.c:check_updates() [1] we loop through the cache 
entries and "ask me later" could be an acceptable return value of the 
checkout_entry() call. The loop could run until all entries returned
success or error.

The filter machinery is triggered in various other places in Git and
all places that want to support "ask me later" would need to be patched 
accordingly.

--

Do you think this could be a viable approach?
Do you see a better way?

Thanks,
Lars


[1] https://github.com/git/git/blob/3ab228137f980ff72dbdf5064a877d07bec76df9/unpack-trees.c#L267


             reply	other threads:[~2016-11-14 21:10 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-14 21:09 Lars Schneider [this message]
2016-11-15  1:03 ` Eric Wong
2016-11-15 14:29   ` Lars Schneider
2016-11-15 18:03     ` Junio C Hamano
2016-11-16  9:53       ` Lars Schneider
2016-11-16 18:15         ` Junio C Hamano
2016-11-16 18:47           ` Lars Schneider
2016-11-16 19:19             ` Junio C Hamano
2016-11-16 22:41         ` Jakub Narębski
2016-11-16 23:46           ` Junio C Hamano
2016-11-17  9:19             ` Lars Schneider
2016-11-24 15:45       ` Lars Schneider
2016-11-28 21:48         ` Junio C Hamano
2016-11-15 18:27     ` Eric Wong
2017-01-09 20:44 ` Stefan Beller
2017-01-11 12:57   ` Lars Schneider

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