GNU bug report logs - #78800
30.1; dired-re-perms is valid only with modes in ls-lisp-verbosity

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From: Eli Zaretskii <eliz <at> gnu.org>
To: sds <at> gnu.org
Cc: 78800 <at> debbugs.gnu.org, johanwclaesson <at> gmail.com
Subject: bug#78800: 30.1; dired-re-perms is valid only with modes in ls-lisp-verbosity
Date: Sat, 05 Jul 2025 10:29:46 +0300

Ping!  Sam, could you please respond?

> Cc: 78800 <at> debbugs.gnu.org
> Date: Mon, 23 Jun 2025 13:53:58 +0300
> From: Eli Zaretskii <eliz <at> gnu.org>
> 
> > X-Spam-Status: No, score=-0.006 tagged_above=-999 required=6.31
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> > From: Johan Claesson <johanwclaesson <at> bahnhof.se>
> > Cc: johanwclaesson <at> gmail.com,  Sam Steingold <sds <at> gnu.org>,
> >   78800 <at> debbugs.gnu.org
> > Date: Sun, 22 Jun 2025 11:13:53 +0200
> > 
> > 
> > 
> > On Mon, Jun 16 2025, Eli Zaretskii wrote:
> > >> From: Johan Claesson <johanwclaesson <at> bahnhof.se>
> > >> Date: Sun, 15 Jun 2025 15:34:28 +0200
> > >> 
> > >> I am writing about a very small corner case problem in dired in Emacs.
> > >> Since 83e0442 when modes is not a member of ls-lisp-verbosity then
> > >> ls-lisp will print the permissions in short form like "drwx".  This will
> > >> not match the dired-re-perms regexp which expect like "drwxrwxrwx". This
> > >> will cause a problem in dired for filenames that ends with a colon (:).
> > >> To reproduce from emacs -Q:
> > >> 
> > >> (require 'ls-lisp)
> > >> (setq ls-lisp-use-insert-directory-program nil
> > >>       ls-lisp-verbosity '(links uid))
> > >> 
> > >> And then visit a directory containing a file ending with a colon.  
> > >> Maybe the dired-re-perms could just be shortened/simplified to cover
> > >> this case as well?
> > >
> > > It is not easy to modify the value of dired-re-perms, because it is
> > > also used in dired-font-lock-keywords, whose value is set when
> > > dired.el is first loaded.
> > >
> > > I must say that the feature introduced by 83e0442 is problematic, when
> > > used on Posix systems that could have files with names ending in a
> > > colon.  For that reason, I don't recommend using it on Posix systems.
> > > Why are you using it?
> > >
> > > Adding Sam to the discussion, who added that feature, in case he could
> > > have comments or suggestions.
> > 
> > Ok, i see.  Well, if this is a case of don't-do-that then this report
> > can be closed as far as i am concerned.
> > 
> > Why was i using that feature?  I am not interested in that extra
> > information on my single user home computer and just wanted to reduce
> > the width of the lines.
> 
> OK, thanks.
> 
> Sam, any further comments, or should I close this bug?
> 
> 
> 
> 

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