GNU bug report logs - #37950
27.0.50; File error regression

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Juri Linkov <juri <at> linkov.net>
Subject: bug#37950: closed (Re: 27.0.50; File error regression)
Date: Fri, 01 Nov 2019 06:40:02 +0000

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Your bug report

#37950: 27.0.50; File error regression

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 37950 <at> debbugs.gnu.org.

-- 
37950: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=37950
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Juri Linkov <juri <at> linkov.net>
Cc: 37950-done <at> debbugs.gnu.org
Subject: Re: 27.0.50; File error regression
Date: Thu, 31 Oct 2019 23:39:07 -0700

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Thanks for the bug report. That one's my fault, as it was due to this patch:

https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=ba0605779e0e207161441c08afdfac57ed603f69

which fixed a problem elsewhere but introduced a bug. I installed the attached 
patch to fix things.

[0001-Fix-insert-file-contents-file-error-regression.patch (text/x-patch, attachment)]

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From: Juri Linkov <juri <at> linkov.net>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.0.50; File error regression
Date: Mon, 28 Oct 2019 00:50:25 +0200

0. emacs -Q

1. in Dired type 'v' ('dired-view-file') to view a read-protected file, e.g.
   from non-root to visit a file with such permissions: -rw------- root root

2. Empty buffer is displayed (but the file size is several kilobytes)

3. The echo area displays the message:

   View mode: type C-h for help, h for commands, q to quit.

4. Visiting *Messages* reveals the error message:

   Note: file is write protected

obscured by the View mode message above.

But this error message is wrong anyway.  In previous versions
the error message was correct:

    find-file-noselect-1: File is not readable:

and it rightfully refused to visit the read-protected file.


In GNU Emacs 27.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.30)
 of 2019-10-27 built on localhost
Repository revision: c6667cc6a958e06fd43fb1ee0e80753adfefa49d
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.11906000
System Description: Linux Mint 19

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
Note: file is write protected
View mode: type C-h for help, h for commands, q to quit.

Configured using:
 'configure --with-x-toolkit=gtk3 --with-xwidgets --with-xft
 --with-modules --enable-checking=yes,glyphs
 --enable-check-lisp-object-type 'CFLAGS=-O0 -g3 -gdwarf-4''

Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND GPM DBUS GSETTINGS GLIB NOTIFY INOTIFY
GNUTLS LIBXML2 FREETYPE HARFBUZZ M17N_FLT LIBOTF XFT ZLIB
TOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM MODULES THREADS XWIDGETS PDUMPER
LCMS2 GMP

Important settings:
  value of $LC_MONETARY: et_EE.UTF-8
  value of $LC_NUMERIC: en_US.UTF-8
  value of $LC_TIME: en_DK.utf8
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

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