GNU bug report logs - #67830
30.0.50; find-file completion sometimes unexpectedly omits directories

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Visuwesh <visuweshm <at> gmail.com>
Cc: triska <at> metalevel.at, 67830 <at> debbugs.gnu.org
Subject: bug#67830: 30.0.50; find-file completion sometimes unexpectedly omits directories
Date: Fri, 15 Dec 2023 10:48:25 +0200

tags 67830 notabug
thanks

> Cc: 67830 <at> debbugs.gnu.org
> From: Visuwesh <visuweshm <at> gmail.com>
> Date: Fri, 15 Dec 2023 09:43:28 +0530
> 
> [Thursday December 14, 2023] Markus Triska wrote:
> 
> > To reproduce this issue, please first create the directory ~/issue/.git,
> > and the file ~/issue/.gitignore, for example with:
> >
> >     $ mkdir issue
> >     $ cd issue/
> >     $ mkdir .git
> >     $ touch .gitignore
> >
> > Then, from your home directory, start Emacs with:
> >
> >     $ emacs -Q
> >
> > and do:
> >
> >     C-x C-f ~/issue/.git TAB
> >
> > As expected, the minibuffer displays:
> >
> >     [Complete, but not unique]
> >
> > and Emacs also shows the 2 possible completions:
> >
> >     2 possible completions:
> >     .git/
> >     .gitignore
> >
> > In contrast, when I do:
> >
> >     C-x C-f ~/issue/. TAB
> >
> > then the minibuffer prematurely completes it to the file:
> >
> >     ~/issue/.gitignore
> >
> > This is even though the directory ~/issue/.git exists, and also forms a
> > valid and expected completion of "~/issue/.".
> >
> > The expected behaviour is the same as above, on the grounds that
> > "~/issue/." is a proper prefix of "~/issue/.git" and therefore should
> > never yield fewer possible completions.
> >
> > Thank you and all the best,
> > Markus
> >
> 
> Completion is working as intended, AFAIU.  Have a look at
> completion-ignored-extensions.

Indeed.  This is not a bug, but expected behavior.

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