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backup-by-copying-when-mismatch (was: bug#7289: Tramp changes ownership
From: |
Stefan Monnier |
Subject: |
backup-by-copying-when-mismatch (was: bug#7289: Tramp changes ownership of remote file when saving) |
Date: |
Mon, 01 Nov 2010 10:12:31 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
[ Moving this to emacs-devel. ]
>> 2 problems with this patch:
>> - (put <var> 'permanent-local t) should *never* be in such a function.
>> It's a top-level operation that has global effects and belongs right
>> next to the var's defvar.
> I want to have `backup-by-copying-when-mismatch' buffer local. If I set
> it in `insert-file-contents' (via `make-local-variable'), it is not kept
> buffer local in that buffer. How could I achieve this otherwise?
You could place the `put' in files.el at toplevel, right next to the
definition of backup-by-copying-when-mismatch.
>> - This makes it impossible to choose backup-by-copying-when-mismatch=nil
>> when accessing such remote files, whereas for local files accessed by
>> root a (setq backup-by-copying-when-mismatch nil) in the .emacs will
>> do the trick.
> D'accord. We would need another way for the user to express his
> wish. Maybe there shall be also other values but only than nil and t.
That would be an option, indeed.
>> A simpler solution would be to change the default value of
>> backup-by-copying-when-mismatch to t for everyone rather than just
>> for root. I don't know what would the objections to this.
> From my pov it would be acceptable, but I don't know how people see it.
Neither do I.
> And we should check what it does mean for remote files, because they
> tend to "mismatch" more often.
That's a very good point.
Stefan
- backup-by-copying-when-mismatch (was: bug#7289: Tramp changes ownership of remote file when saving),
Stefan Monnier <=