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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: master 00b8c7e: Make ls-lisp.el behave like Posix hosts when
	directory doesn't exist
Date: Fri, 15 Feb 2019 17:41:40 +0200
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To: Michael Albinus <michael.albinus@gmx.de>
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> From: Michael Albinus <michael.albinus@gmx.de>
> Cc: Eli Zaretskii <eliz@gnu.org>
> Date: Fri, 15 Feb 2019 15:10:31 +0100
> 
> > +        ;; Emulate what we do on Posix hosts when we call access-file
> > +        ;; in insert-directory.
> > +	(signal 'file-error
> > +                (list "Reading directory"
> > +                      "Directory doesn't exist or is inaccessible"
> > +                      file))))))
> 
> On GNU/Linux, it is `file-missing' (introduced in Emacs 26).

I know.  But ls-lisp doesn't know whether it failed because the
directory doesn't exist, or does exist but isn't accessible, and
trying to discern between these two situations doesn't seem worth it.