From: Ergus <spacibba@aol.com>
To: Phil Sainty <psainty@orcon.net.nz>
Cc: emacs-devel@gnu.org
Subject: Re: Performance issue in project.el
Date: Mon, 28 Jun 2021 14:44:11 +0200 [thread overview]
Message-ID: <20210628124411.fpasjjx3duzuzelu@Ergus> (raw)
In-Reply-To: <bed0ad1e4a42cb19c9843dad0ef40b89@webmail.orcon.net.nz>
Reading the issue I see that there is already vc-file-prop-obarray.
Could vc-responsible-backend use that?
On Tue, Jun 29, 2021 at 12:14:57AM +1200, Phil Sainty wrote:
>On 2021-06-28 23:42, Ergus wrote:
>>After reading the function vc-responsible-backend I can see that it
>>uses
>>a mapcar to test the responsible; so all of them are always tested in
>>every single call every time.
>
>It didn't in Emacs 27, but see bug #42966 and commit 2697123933e3
>
>https://debbugs.gnu.org/cgi/bugreport.cgi?bug=42966
>
>commit 2697123933e3ac7ed4e21a6d12746a98ed7fa74a
>Author: Lars Ingebrigtsen <larsi@gnus.org>
>Date: Mon Oct 26 21:10:36 2020 +0100
>
> Make vc-responsible-backend choose the most specific backend
>
> * lisp/vc/vc.el (vc-responsible-backend): Search through all the
> VC backends instead of the first one, and choose the one that's
> most specific (bug#42966).
>
next prev parent reply other threads:[~2021-06-28 12:44 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210627212123.xciejcjxrv2rxsra.ref@Ergus>
2021-06-27 21:21 ` Performance issue in project.el Ergus
2021-06-28 11:42 ` Ergus
2021-06-28 12:14 ` Phil Sainty
2021-06-28 12:44 ` Ergus [this message]
2021-06-28 14:10 ` Stefan Monnier
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