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bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains

From: Michael Albinus
Subject: bug#49261: 28.0.50; File Locking Breaks Presumptuous Toolchains
Date: Fri, 09 Jul 2021 13:01:24 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

Eli Zaretskii <eliz@gnu.org> writes:

Hi Eli,

>> Remote files (all files which match tramp-file-name-regexp). For
>> backward compatibility, and possibly due to performance reasons.
> You want a capability to exempt different kinds of files from locking?
> Why would that be a good idea?  Performance doesn't cut it, IMO,
> because if one wants to be protected from clobbering, one doesn't care
> about performance.  And if one cares about performance for those
> special kinds of files, it most probably means one doesn't care about
> file locking at all.
> So I submit that a binary switch is good enough.

Until now, there are no file locks for remote files at all. I thought disabling
it for remote files would be requested by some users for backward compatibility.

> In any case, now that make-lock-file-name is exposed to Lisp, they can
> override or advise it to do whatever they like, right?

Yes. But they cannot disable it. Advising the function is always
possible, but it is less convenient than a user option setting.

But well, let's see whether people shout ...

Best regards, Michael.

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