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

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Markus Triska <triska <at> metalevel.at>
To: bug-gnu-emacs <at> gnu.org
Subject: 30.0.50; find-file completion sometimes unexpectedly omits directories
Date: Thu, 14 Dec 2023 23:49:05 +0100

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


In GNU Emacs 30.0.50 (build 1, x86_64-apple-darwin18.2.0, X toolkit,
 cairo version 1.17.6, Xaw scroll bars) of 2023-09-11 built on
 mac
Windowing system distributor 'The X.Org Foundation', version 11.0.12011000
System Description:  Mac OS X 10.14.2

Configured using:
 'configure --prefix=/opt/local --disable-silent-rules --without-ns
 --without-dbus --without-gconf --without-libotf --without-m17n-flt
 --with-libgmp --with-gnutls --with-json --with-xml2 --with-modules
 --with-sqlite3 --with-webp --infodir /opt/local/share/info/emacs
 --with-x-toolkit=lucid --without-xaw3d --without-imagemagick --with-xpm
 --with-jpeg --with-tiff --with-gif --with-png --with-lcms2
 --without-rsvg --with-xft --with-native-compilation=aot
 --with-tree-sitter 'CFLAGS=-pipe -Os -Wno-attributes
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk -arch
 x86_64' 'CPPFLAGS=-I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk'
 'LDFLAGS=-L/opt/local/lib -Wl,-headerpad_max_install_names -lfreetype
 -lfontconfig -Wl,-rpath /opt/local/lib/gcc12 -Wl,-no_pie
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk
 -arch x86_64''

Configured features:
ACL CAIRO FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG JSON
LCMS2 LIBXML2 MODULES NATIVE_COMP NOTIFY KQUEUE PDUMPER PNG SQLITE3
THREADS TIFF TOOLKIT_SCROLL_BARS TREE_SITTER WEBP X11 XDBE XIM XINPUT2
XPM LUCID ZLIB

Message #8 received at 67830 <at> debbugs.gnu.org (full text, mbox):

From: Visuwesh <visuweshm <at> gmail.com>
To: Markus Triska <triska <at> metalevel.at>
Cc: 67830 <at> debbugs.gnu.org
Subject: Re: bug#67830: 30.0.50; find-file completion sometimes unexpectedly
 omits directories
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.

Message #11 received at 67830 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Visuwesh <visuweshm <at> gmail.com>
Cc: triska <at> metalevel.at, 67830 <at> debbugs.gnu.org
Subject: Re: 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.

Message #18 received at 67830-done <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefankangas <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 67830-done <at> debbugs.gnu.org, triska <at> metalevel.at,
 Visuwesh <visuweshm <at> gmail.com>
Subject: Re: bug#67830: 30.0.50; find-file completion sometimes unexpectedly
 omits directories
Date: Wed, 10 Jan 2024 03:04:16 -0800

Eli Zaretskii <eliz <at> gnu.org> writes:

> 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
>>
>> Completion is working as intended, AFAIU.  Have a look at
>> completion-ignored-extensions.
>
> Indeed.  This is not a bug, but expected behavior.

I'm therefore closing this bug report.

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