GNU bug report logs - #64061
30.0.50; auto-revert-mode is not working for files with symlinked directories in path

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

From: Vladimir Nikishkin <lockywolf <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 30.0.50; auto-revert-mode is not working for files with symlinked
 directories in path
Date: Wed, 14 Jun 2023 13:06:29 +0800

This bug seems similar to
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=16113 , but not
completely,

So, the MWE is the following:
In bash
cd /tmp/
mkdir foo
ln -s foo bar
touch bar/test.txt
emacs bar/test.txt &
in emacs: M-x auto-revert-mode RET
then in bash
echo "test001" >> bar/test.txt

Emacs will never see those changes and will not revert the buffer.
However, opening foo/text.txt does not have this problem.

I tried inotifywait -m on both foo/text.txt, and on bar/text.txt, and
both seem to receive editing events as they should.


In GNU Emacs 30.0.50 (build 1, x86_64-slackware-linux-gnu, GTK+ Version
 3.24.31, cairo version 1.16.0) of 2023-03-24 built on
 laptop.lockywolf.net
Windowing system distributor 'The X.Org Foundation', version 11.0.12014000
System Description: Slackware 15.0 x86_64

Configured using:
 'configure --prefix=/usr --libdir=/usr/lib64 --sysconfdir=/etc
 --localstatedir=/var --program-prefix= --program-suffix=
 --mandir=/usr/man --infodir=/usr/info --without-gconf
 --without-gsettings --with-modules --with-native-compilation=yes
 --with-json --with-imagemagick --with-pdumper --with-xwidgets
 --enable-year2038 --with-tree-sitter --build=x86_64-slackware-linux
 'CFLAGS=-O2 -fPIC -g''

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM HARFBUZZ IMAGEMAGICK
JPEG JSON LCMS2 LIBXML2 MODULES NATIVE_COMP NOTIFY INOTIFY PDUMPER PNG
RSVG SECCOMP SOUND SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS TREE_SITTER
WEBP X11 XDBE XIM XINPUT2 XPM XWIDGETS GTK3 ZLIB

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

Major mode: Outline

Minor modes in effect:
  goto-address-mode: t
  memento-mori-mode: t
  highlight-doxygen-global-mode: t
  hes-mode: t
  global-highlight-parentheses-mode: t
  highlight-parentheses-mode: t
  global-color-identifiers-mode: t
  form-feed-mode: t
  idle-org-agenda-mode: t
  TeX-PDF-mode: t
  TeX-source-correlate-mode: t
  async-bytecomp-package-mode: t
  magit-todos-mode: t
  global-git-commit-mode: t
  magit-auto-revert-mode: t
  shell-dirtrack-mode: t
  server-mode: t
  global-flycheck-mode: t
  flycheck-mode: t
  global-hl-todo-mode: t
  hl-todo-mode: t
  flyspell-mode: t
  gdb-many-windows: t
  global-company-mode: t
  company-mode: t
  auto-insert-mode: t
  pdf-occur-global-minor-mode: t
  shackle-mode: t
  ido-everywhere: t
  global-auto-revert-mode: t
  electric-pair-mode: t
  global-display-fill-column-indicator-mode: t
  display-fill-column-indicator-mode: t
  global-hi-lock-mode: t
  hi-lock-mode: t
  windmove-mode: t
  savehist-mode: t
  recentf-mode: t
  save-place-mode: t
  super-save-mode: t
  xterm-mouse-mode: t
  override-global-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  global-prettify-symbols-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  buffer-read-only: t
  size-indication-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  auto-save-visited-mode: t
  abbrev-mode: t
  view-mode: t

Load-path shadows:
/home/lockywolf/.emacs.d/elpa/company-cmake-0.1/company-cmake hides /home/lockywolf/.emacs.d/elpa/company-20230303.2331/company-cmake
/home/lockywolf/.emacs.d/elpa/cmake-mode-20230323.1312/cmake-mode hides /usr/share/emacs/site-lisp/cmake-mode
/home/lockywolf/.emacs.d/elpa/use-package-ensure-system-package-20221209.2013/use-package-ensure-system-package hides /usr/share/emacs/30.0.50/lisp/use-package/use-package-ensure-system-package
/home/lockywolf/.emacs.d/elpa/use-package-20230203.2004/use-package-lint hides /usr/share/emacs/30.0.50/lisp/use-package/use-package-lint
/home/lockywolf/.emacs.d/elpa/use-package-20230203.2004/use-package-bind-key hides /usr/share/emacs/30.0.50/lisp/use-package/use-package-bind-key
/home/lockywolf/.emacs.d/elpa/use-package-20230203.2004/use-package-diminish hides /usr/share/emacs/30.0.50/lisp/use-package/use-package-diminish
/home/lockywolf/.emacs.d/elpa/use-package-20230203.2004/use-package hides /usr/share/emacs/30.0.50/lisp/use-package/use-package
/home/lockywolf/.emacs.d/elpa/use-package-20230203.2004/use-package-core hides /usr/share/emacs/30.0.50/lisp/use-package/use-package-core
/home/lockywolf/.emacs.d/elpa/use-package-20230203.2004/use-package-ensure hides /usr/share/emacs/30.0.50/lisp/use-package/use-package-ensure
/home/lockywolf/.emacs.d/elpa/use-package-20230203.2004/use-package-jump hides /usr/share/emacs/30.0.50/lisp/use-package/use-package-jump
/home/lockywolf/.emacs.d/elpa/bind-key-20230203.2004/bind-key hides /usr/share/emacs/30.0.50/lisp/use-package/bind-key
/home/lockywolf/.emacs.d/elpa/use-package-20230203.2004/use-package-delight hides /usr/share/emacs/30.0.50/lisp/use-package/use-package-delight
/home/lockywolf/.emacs.d/elpa/flim-20230205.1423/sasl hides /usr/share/emacs/30.0.50/lisp/net/sasl
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-spelling hides /usr/share/emacs/30.0.50/lisp/erc/erc-spelling
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-backend hides /usr/share/emacs/30.0.50/lisp/erc/erc-backend
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-imenu hides /usr/share/emacs/30.0.50/lisp/erc/erc-imenu
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-speedbar hides /usr/share/emacs/30.0.50/lisp/erc/erc-speedbar
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-track hides /usr/share/emacs/30.0.50/lisp/erc/erc-track
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-ring hides /usr/share/emacs/30.0.50/lisp/erc/erc-ring
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-dcc hides /usr/share/emacs/30.0.50/lisp/erc/erc-dcc
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-networks hides /usr/share/emacs/30.0.50/lisp/erc/erc-networks
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc hides /usr/share/emacs/30.0.50/lisp/erc/erc
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-stamp hides /usr/share/emacs/30.0.50/lisp/erc/erc-stamp
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-sound hides /usr/share/emacs/30.0.50/lisp/erc/erc-sound
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-desktop-notifications hides /usr/share/emacs/30.0.50/lisp/erc/erc-desktop-notifications
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-ibuffer hides /usr/share/emacs/30.0.50/lisp/erc/erc-ibuffer
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-lang hides /usr/share/emacs/30.0.50/lisp/erc/erc-lang
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-autoaway hides /usr/share/emacs/30.0.50/lisp/erc/erc-autoaway
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-fill hides /usr/share/emacs/30.0.50/lisp/erc/erc-fill
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-join hides /usr/share/emacs/30.0.50/lisp/erc/erc-join
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-match hides /usr/share/emacs/30.0.50/lisp/erc/erc-match
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-goodies hides /usr/share/emacs/30.0.50/lisp/erc/erc-goodies
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-identd hides /usr/share/emacs/30.0.50/lisp/erc/erc-identd
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-pcomplete hides /usr/share/emacs/30.0.50/lisp/erc/erc-pcomplete
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-list hides /usr/share/emacs/30.0.50/lisp/erc/erc-list
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-capab hides /usr/share/emacs/30.0.50/lisp/erc/erc-capab
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-status-sidebar hides /usr/share/emacs/30.0.50/lisp/erc/erc-status-sidebar
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-log hides /usr/share/emacs/30.0.50/lisp/erc/erc-log
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-netsplit hides /usr/share/emacs/30.0.50/lisp/erc/erc-netsplit
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-ezbounce hides /usr/share/emacs/30.0.50/lisp/erc/erc-ezbounce
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-notify hides /usr/share/emacs/30.0.50/lisp/erc/erc-notify
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-common hides /usr/share/emacs/30.0.50/lisp/erc/erc-common
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-replace hides /usr/share/emacs/30.0.50/lisp/erc/erc-replace
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-compat hides /usr/share/emacs/30.0.50/lisp/erc/erc-compat
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-loaddefs hides /usr/share/emacs/30.0.50/lisp/erc/erc-loaddefs
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-services hides /usr/share/emacs/30.0.50/lisp/erc/erc-services
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-menu hides /usr/share/emacs/30.0.50/lisp/erc/erc-menu
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-xdcc hides /usr/share/emacs/30.0.50/lisp/erc/erc-xdcc
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-sasl hides /usr/share/emacs/30.0.50/lisp/erc/erc-sasl
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-truncate hides /usr/share/emacs/30.0.50/lisp/erc/erc-truncate
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-button hides /usr/share/emacs/30.0.50/lisp/erc/erc-button
/home/lockywolf/.emacs.d/elpa/erc-5.5/erc-page hides /usr/share/emacs/30.0.50/lisp/erc/erc-page

Features:
(shadow emacsbug pdf-sync pdf-outline pdf-links pdf-history ob-calc
calc-funcs calc-mtx calc-bin calc-comb calcalg3 tex-info texinfo
texinfo-loaddefs calc-trail calc-forms calc-graph calc-stuff calcalg2
latexenc emms-info-mediainfo-autoloads emms-autoloads loaddefs-gen
tar-mode lisp-mnt calc-embed goto-addr magit-patch magit-subtree
magit-gitignore magit-ediff elfeed-link elfeed-show elfeed-search
elfeed-csv elfeed elfeed-curl elfeed-log xml-query elfeed-db elfeed-lib
cmake-font-lock cus-start quail calc-cplx bbdb-com calc-map calc-incom
cal-move image-dired-dired image-dired image-dired-tags
image-dired-external image-dired-util vc-hg vc-bzr vc-src vc-sccs vc-svn
vc-cvs vc-rcs log-view bug-reference cl-print magit-extras calc-units
calc-help skeleton calc-store calc-vec calc-rules calc-rewr calc-poly
calcsel2 bbdb-mu4e calc-yank calc-sel calccomp calc-math calc-arith
calc-alg calc-aent wallpaper debpaste shortdoc ob-ditaa org-colview
org-ctags org-mouse org-plot ess-tracebug ess-utils ess-custom tramp
tramp-loaddefs trampver tramp-integration tramp-compat ls-lisp
ob-eukleides org-checklist org-collector org-invoice org-learn
org-mairix org-toc ox-extra org-archive conf-mode calc-lang calc-undo
calc-mode calc-prog calc-ext calc-misc calc-menu misearch multi-isearch
qp url-cache network-stream mailalias ffap time-stamp sort gnus-cite
shr-color mm-archive mail-extr textsec uni-scripts idna-mapping
ucs-normalize uni-confusable textsec-check cal-china lunar solar cal-dst
cal-bahai cal-islam cal-hebrew holidays holiday-loaddefs matlab
matlab-scan matlab-syntax matlab-compat pulse vc-git org-eldoc
geiser-mode geiser-xref geiser-compile geiser-debug geiser-gambit
geiser-chibi geiser-mit geiser-chez geiser-chicken geiser-racket
geiser-guile info-look geiser-repl geiser-image geiser-company
geiser-doc geiser-menu geiser-edit geiser-completion geiser-autodoc
geiser-eval geiser-connection geiser-syntax geiser-log geiser-popup view
oc-basic disp-table ol-eww ol-rmail ol-mhe ol-irc ol-info ol-gnus
nnselect ol-docview ol-bbdb ol-w3m ol-doi org-link-doi face-remap
dired-aux company-oddmuse company-keywords make-mode company-etags
company-gtags company-dabbrev-code company-dabbrev company-files
company-clang company-capf company-cmake company-semantic
company-template company-bbdb init rc-local lockywolf-postamble-laptop
display-line-numbers lockywolf-exwm exwm exwm-input xcb-keysyms
exwm-manage exwm-floating xcb-cursor xcb-render exwm-layout
exwm-workspace exwm-core xcb-ewmh xcb-icccm xcb xcb-xkb xcb-xproto
xcb-types xcb-debug lockywolf-erc erc-track erc-match erc-goodies erc
erc-backend erc-networks erc-common erc-compat erc-loaddefs
lockywolf-equake equake lockywolf-gui-x11 hamburger-menu
lockywolf-gui-general diary-lib diary-loaddefs memento-mori
highlight-doxygen highlight-escape-sequences highlight-parentheses
rainbow-mode color-identifiers-mode prettify-greek form-feed
tsdh-dark-theme lockywolf-calc calc calc-loaddefs rect calc-macs
lockywolf-monitoring idle-org-agenda lockywolf-autocomplete-ido
lockywolf-org-scientific-large org-pdftools org-noter org-noter-djvu
org-noter-nov org-noter-pdf pdf-annot facemenu org-noter-core org2blog
ox-wp writegood-mode metaweblog xml-rpc url-http url-auth url-gw nsm
hydra lv htmlize org-journal org-crypt cal-iso org-sidebar org-ql-search
org-ql-view ov org-super-agenda ht org-ql peg ts org-habit org-duration
org-mru-clock org-capture ox-beamer ox-org ox-md ox-odt rng-loc rng-uri
rng-parse rng-match rng-dt rng-util rng-pttrn nxml-parse nxml-ns
nxml-enc xmltok nxml-util ox-latex ox-icalendar org-agenda ox-html table
ox-ascii ox-publish ox org-clock ob-fortran ob-shell ob-latex ob-scheme
geiser-impl help-fns radix-tree geiser-custom geiser-base ob-C
ob-plantuml org-tempo tempo org-protocol ox-youtube org-ebib
org-bibtex-extras ol-bibtex ox-bibtex org-fancy-priorities
lockywolf-cryptography pinentry lockywolf-elfeed lockywolf-email-pim
bbdb bbdb-site timezone gnus-dired mu4e-speedbar speedbar ezimage dframe
mu4e mu4e-org mu4e-main mu4e-view gnus-art mm-uu mml2015 mm-view
mml-smime smime gnutls dig gnus-sum gnus-group gnus-undo gnus-start
gnus-dbus gnus-cloud nnimap nnmail mail-source utf7 nnoo parse-time
gnus-spec gnus-int gnus-range gnus-win mu4e-headers mu4e-compose
mu4e-draft mu4e-actions mu4e-search mu4e-lists mu4e-bookmarks mu4e-mark
mu4e-message flow-fill mu4e-contacts mu4e-update mu4e-folders
mu4e-server mu4e-context mu4e-vars mu4e-helpers mu4e-config
auth-source-xoauth2 auth-source-pass smtpmail-multi smtpmail khardel
yaml-mode vdirel org-vcard lockywolf-tex company-auctex vdm-snippets
yasnippet bib-cite auctex-latexmk latex latex-flymake tex-ispell
tex-style tex texmathp cdlatex lockywolf-bibtex ebib helm
helm-global-bindings helm-easymenu helm-core async-bytecomp helm-source
helm-multi-match helm-lib ebib-reading-list ebib-notes org-element
org-persist org-id org-refile org ob ob-tangle ob-ref ob-lob ob-table
ob-exp org-macro org-src ob-comint org-pcomplete org-list org-footnote
org-faces org-entities ob-emacs-lisp ob-core ob-eval org-cycle org-table
org-keys oc org-loaddefs cal-menu calendar cal-loaddefs ol org-fold
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lockywolf-plantuml flycheck-plantuml plantuml-mode lockywolf-matlab
lockywolf-scheme geiser scheme-complete scheme lockywolf-emacs-lisp
paredit-menu paredit lockywolf-helm lockywolf-vala vala-mode cc-langs
lockywolf-cpp clang-format+ clang-format eldoc-cmake cmake-mode rst
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flymake markdown-mode color company autoinsert ediff ediff-merg
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pcomplete esh-module esh-groups esh-util files-x
lockywolf-paper-pdf-djvu djvu pdf-occur ibuf-ext ibuffer
ibuffer-loaddefs tablist advice tablist-filter semantic/wisent/comp
semantic/wisent semantic/wisent/wisent semantic/util-modes semantic/util
semantic semantic/tag semantic/lex semantic/fw mode-local find-func
cedet pdf-isearch let-alist pdf-misc imenu pdf-tools pdf-view pdf-cache
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exif ps-print ps-print-loaddefs lpr lockywolf-downloaded-packages
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lockywolf-standard-packages eww xdg url-queue thingatpt shr pixel-fill
kinsoku url-file svg dom puny mm-url gnus nnheader gnus-util time-date
range woman man info-colors secrets dbus ido-completing-read+ memoize
minibuf-eldef ido xml locate dired dired-loaddefs arc-mode archive-mode
compile comint ansi-osc ansi-color ring autorevert filenotify elec-pair
display-fill-column-indicator hi-lock foldout edmacro kmacro noutline
outline windmove bookmark text-property-search savehist recentf
tree-widget saveplace super-save rmail rfc2047 rfc2045 ietf-drums
mm-util mail-prsvr mail-utils image-file image-converter
lockywolf-handy-own-functions-keybindings lockywolf-basic-init xt-mouse
use-package-ensure-system-package system-packages cus-edit pp cus-load
wid-edit use-package use-package-ensure use-package-delight
use-package-diminish use-package-bind-key bind-key easy-mmode
use-package-core derived init-custom mic-paren-autoloads
gitlab-pipeline-autoloads org-contrib-autoloads kotlin-mode-autoloads
company-math-autoloads pcsv-autoloads centered-cursor-mode-autoloads
chatgpt-shell-autoloads debpaste-autoloads company-emoji-autoloads
spell-fu-autoloads markdown-preview-mode-autoloads info-colors-autoloads
cdlatex-autoloads graphviz-dot-mode-autoloads ess-autoloads
jupyter-autoloads ebib-autoloads diminish-autoloads
ac-php-core-autoloads cc-styles cc-align cc-engine cc-vars cc-defs
flymake-easy-autoloads zmq-autoloads rainbow-mode-autoloads
magit-todos-autoloads magit-autoloads pcase git-commit-autoloads
math-symbol-lists-autoloads org-journal-autoloads
highlight-escape-sequences-autoloads shell-maker-autoloads
hl-todo-autoloads qml-mode-autoloads auth-source-xoauth2-autoloads
0blayout-autoloads ghub-autoloads bibtex-completion-autoloads
biblio-autoloads parsebib-autoloads with-editor-autoloads
sudo-edit-autoloads use-package-ensure-system-package-autoloads
color-identifiers-mode-autoloads biblio-core-autoloads jabber-autoloads
srv-autoloads fsm-autoloads org-download-autoloads semi-autoloads
flim-autoloads pcre2el-autoloads erc-autoloads org2blog-autoloads
writegood-mode-autoloads hydra-autoloads highlight-parentheses-autoloads
use-package-autoloads bind-key-autoloads consult-eglot-autoloads
magit-section-autoloads flycheck-phpstan-autoloads org-sidebar-autoloads
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auctex-latexmk-autoloads auctex-autoloads tex-site
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helm-autoloads helm-core-autoloads async-autoloads org-vcard-autoloads
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f-autoloads qt-pro-mode-autoloads consult-autoloads compat-autoloads
languagetool-autoloads matlab-mode-autoloads
org-noter-pdftools-autoloads org-pdftools-autoloads org-noter-autoloads
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org-mru-clock-autoloads apel-autoloads go-mode-autoloads comp comp-cstr
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dash-autoloads s-autoloads paredit-autoloads popup-autoloads
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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
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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
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cl-preloaded button loaddefs theme-loaddefs faces cus-face macroexp
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code-pages mule custom widget keymap hashtable-print-readable backquote
threads xwidget-internal dbusbind inotify lcms2 dynamic-setting
font-render-setting cairo move-toolbar gtk x-toolkit xinput2 x multi-tty
make-network-process native-compile emacs)

Memory information:
((conses 16 4582620 614840)
 (symbols 48 119436 18)
 (strings 32 607217 60864)
 (string-bytes 1 21811766)
 (vectors 16 232007)
 (vector-slots 8 5197953 698930)
 (floats 8 1921 20160)
 (intervals 56 302362 3844)
 (buffers 984 156))

-- 
Your sincerely,
Vladimir Nikishkin (MiEr, lockywolf)
(Laptop)

Message #8 received at 64061 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Vladimir Nikishkin <lockywolf <at> gmail.com>,
 Michael Albinus <michael.albinus <at> gmx.de>
Cc: 64061 <at> debbugs.gnu.org
Subject: Re: bug#64061: 30.0.50;
 auto-revert-mode is not working for files with symlinked directories
 in path
Date: Wed, 14 Jun 2023 14:29:52 +0300

> From: Vladimir Nikishkin <lockywolf <at> gmail.com>
> Date: Wed, 14 Jun 2023 13:06:29 +0800
> 
> cd /tmp/
> mkdir foo
> ln -s foo bar
> touch bar/test.txt
> emacs bar/test.txt &
> in emacs: M-x auto-revert-mode RET
> then in bash
> echo "test001" >> bar/test.txt
> 
> Emacs will never see those changes and will not revert the buffer.
> However, opening foo/text.txt does not have this problem.
> 
> I tried inotifywait -m on both foo/text.txt, and on bar/text.txt, and
> both seem to receive editing events as they should.

Emacs watches the directory of the file, not the file itself.  Does
inotify report events when you watch the directory of that file?  Does
auto-revert-mode work for that file if you disable
auto-revert-use-notify?

I'm guessing inotify doesn't report such directories, or reports them
under a name we don't recognize, which would mean that we need another
condition for not activating file-watch for files whose directory is a
symlink.

Message #15 received at 64061 <at> debbugs.gnu.org (full text, mbox):

From: Michael Albinus <michael.albinus <at> gmx.de>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Vladimir Nikishkin <lockywolf <at> gmail.com>, 64061 <at> debbugs.gnu.org
Subject: Re: bug#64061: 30.0.50; auto-revert-mode is not working for files
 with symlinked directories in path
Date: Fri, 16 Jun 2023 10:17:06 +0200

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

Hi,

>> cd /tmp/
>> mkdir foo
>> ln -s foo bar
>> touch bar/test.txt
>> emacs bar/test.txt &
>> in emacs: M-x auto-revert-mode RET
>> then in bash
>> echo "test001" >> bar/test.txt
>>
>> Emacs will never see those changes and will not revert the buffer.
>> However, opening foo/text.txt does not have this problem.
>>
>> I tried inotifywait -m on both foo/text.txt, and on bar/text.txt, and
>> both seem to receive editing events as they should.
>
> Emacs watches the directory of the file, not the file itself.  Does
> inotify report events when you watch the directory of that file?  Does
> auto-revert-mode work for that file if you disable
> auto-revert-use-notify?
>
> I'm guessing inotify doesn't report such directories, or reports them
> under a name we don't recognize, which would mean that we need another
> condition for not activating file-watch for files whose directory is a
> symlink.

This is a duplicate of bug#16113 and bug#18883, I've merged them with
this bug. I'll see whether I could work on this next time (matter of time).

Best regards, Michael.

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