GNU bug report logs - #57854
29.0.50; Different exit code in Emacs and terminal for identical process

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: dalanicolai <dalanicolai <at> gmail.com>
Subject: bug#57854: closed (Re: bug#57854: 29.0.50; Different exit code in
 Emacs and terminal for identical process)
Date: Sat, 17 Sep 2022 14:43:02 +0000

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Your bug report

#57854: 29.0.50; Different exit code in Emacs and terminal for identical process

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 57854 <at> debbugs.gnu.org.

-- 
57854: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=57854
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Eli Zaretskii <eliz <at> gnu.org>
To: dalanicolai <dalanicolai <at> gmail.com>
Cc: 57854-done <at> debbugs.gnu.org
Subject: Re: bug#57854: 29.0.50; Different exit code in Emacs and terminal for
 identical process
Date: Sat, 17 Sep 2022 17:42:10 +0300

> From: dalanicolai <dalanicolai <at> gmail.com>
> Date: Sat, 17 Sep 2022 16:16:42 +0200
> Cc: 57854 <at> debbugs.gnu.org
> 
> Ah yes, you are totally right (I probably looked over it because I,
> previously, did not understand its meaning/consequences).
> 
> Using start-process will be fine (setting a sentinel is not too complicated).
> 
> Thanks (again) for your help!

Glad I could help, and closing the bug.

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From: dalanicolai <dalanicolai <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 29.0.50;
 Different exit code in Emacs and terminal for identical process
Date: Fri, 16 Sep 2022 11:39:25 +0200

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Execute in the terminal the command pdftocio (see
https://github.com/Krasjet/pdf.tocgen#pdftocio, the command is
 easily available via PyPI <https://pypi.org/project/pdf.tocgen/>) on a pdf
file that does
not contain a Table of Contents. The command produces an error and
subsequently executing `echo $?` shows exit code 1.

Subsequently, executing the same command from Emacs on the same file,
then `call-process` returns a 0, and indeed `shell-command-to-string`
produces an empty string. However, I would expect an error like in the
terminal (with call-process returning exit code 1).

The PDF in the following link could be used for testing:
https://www.orimi.com/pdf-test.pdf


In GNU Emacs 29.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version
 3.24.34, cairo version 1.17.6) of 2022-09-10 built on fedora
Repository revision: 4cf9c92e27d20da9453f9abe89d84bee5d776329
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12014000
System Description: Fedora Linux 36 (Workstation Edition)

Configured using:
 'configure --with-modules --with-cairo --with-native-compilation
 --with-json'

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG JSON
LIBSELINUX LIBXML2 MODULES NATIVE_COMP NOTIFY INOTIFY PDUMPER PNG RSVG
SECCOMP SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS X11 XDBE XIM
XINPUT2 XPM GTK3 ZLIB

Important settings:
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: DocView

Minor modes in effect:
  tooltip-mode: t
  global-eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  buffer-read-only: t
  line-number-mode: t
  indent-tabs-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message mailcap yank-media puny rfc822
mml mml-sec password-cache epa derived epg rfc6068 epg-config gnus-util
text-property-search mm-decode mm-bodies mm-encode mail-parse rfc2231
mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums
mm-util mail-prsvr mail-utils doc-view filenotify jka-compr image-mode
exif dired dired-loaddefs time-date comp comp-cstr warnings icons subr-x
rx cl-seq cl-macs gv cl-extra help-mode cl-loaddefs cl-lib bytecomp
byte-compile cconv rmc iso-transl tooltip eldoc paren electric uniquify
ediff-hook vc-hooks lisp-float-type elisp-mode mwheel term/x-win x-win
term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe
tabulated-list replace newcomment text-mode lisp-mode prog-mode register
page tab-bar menu-bar rfn-eshadow isearch easymenu timer select
scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors
frame minibuffer nadvice seq simple cl-generic indonesian philippine
cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao
korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech
european ethiopic indian cyrillic chinese composite emoji-zwj charscript
charprop case-table epa-hook jka-cmpr-hook help abbrev obarray oclosure
cl-preloaded button loaddefs faces cus-face macroexp files window
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget keymap hashtable-print-readable backquote threads dbusbind
inotify dynamic-setting system-font-setting font-render-setting cairo
move-toolbar gtk x-toolkit xinput2 x multi-tty make-network-process
native-compile emacs)

Memory information:
((conses 16 108025 17657)
 (symbols 48 7602 0)
 (strings 32 30705 1814)
 (string-bytes 1 939199)
 (vectors 16 23470)
 (vector-slots 8 390912 21366)
 (floats 8 71 19)
 (intervals 56 222 0)
 (buffers 1000 13))

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