GNU bug report logs - #33564
Incorrect path canonicalisation

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Message #19 received at 33564 <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Mattias Andrée <maandree <at> kth.se>
Cc: 33564 <at> debbugs.gnu.org
Subject: Re: bug#33564: Incorrect path canonicalisation
Date: Sat, 01 Dec 2018 21:55:29 +0100

On Dez 01 2018, Mattias Andrée <maandree <at> kth.se> wrote:

> On Sat, 1 Dec 2018 21:27:27 +0100
> Andreas Schwab <schwab <at> linux-m68k.org> wrote:
>
>> On Dez 01 2018, Mattias Andrée <maandree <at> kth.se> wrote:
>> 
>> > Emacs 26.1 removes ..'s incorrectly from file names.
>> > Emacs removes the directory in front the .. rather than
>> > getting its parent directory.  
>> 
>> This is deliberate.  Emacs never consults the filesystem when
>> canonicalizing filenames, as documented in expand-file-name.  This is
>> consistent with the logical view of the filesystem, and how the shell
>> builtin cd handles it.
>
> What is the rationale for this?

Canonicalizing is a pure textual operation.

> No other program Bash and Emacs behave this way, including the
> coreutils.

This is not true, as I explained above.

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
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