Package: emacs;
Reported by: dalanicolai <at> gmail.com
Date: Sat, 17 Apr 2021 21:01:03 UTC
Severity: normal
Tags: fixed
Found in version 28.0.50
Fixed in version 28.1
Done: Lars Ingebrigtsen <larsi <at> gnus.org>
Bug is archived. No further changes may be made.
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bug-gnu-emacs <at> gnu.org:bug#47850; Package emacs.
(Sat, 17 Apr 2021 21:01:04 GMT) Full text and rfc822 format available.dalanicolai <at> gmail.com:bug-gnu-emacs <at> gnu.org.
(Sat, 17 Apr 2021 21:01:06 GMT) Full text and rfc822 format available.Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
From: dalanicolai <at> gmail.com To: bug-gnu-emacs <at> gnu.org Subject: 28.0.50; find-file-noselect non-nil nowarn argument effect in read-only buffers Date: Sat, 17 Apr 2021 23:00:33 +0200
Find-file-noselect buffer in non-existing directory with non-nil nowarn argument e.g: (switch-to-buffer (find-file-noselect "non-existing-dir/test.el" t)) the buffer will open in read-only mode. Note that with a nowarn is nil argument, the buffer opens in an editable mode as expected. If it is not considered a technical bug then I would consider it a documentation bug. In GNU Emacs 28.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.25, cairo version 1.16.0) of 2021-02-18 built on daniel-fedora Repository revision: 185121da6978553d538d37d6d0e67dc52e13311f Repository branch: feature/native-comp Windowing system distributor 'The X.Org Foundation', version 11.0.12010000 System Description: Fedora 34 (Workstation Edition) Configured using: 'configure --with-nativecomp' Configured features: CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NATIVE_COMP NOTIFY INOTIFY PDUMPER PNG RSVG SOUND THREADS TIFF TOOLKIT_SCROLL_BARS X11 XDBE XIM XPM GTK3 ZLIB Important settings: value of $LANG: en_US.UTF-8 value of $XMODIFIERS: @im=none locale-coding-system: utf-8-unix Major mode: Fundamental Minor modes in effect: global-company-mode: t marginalia-mode: t override-global-mode: t selectrum-prescient-mode: t prescient-persist-mode: t selectrum-mode: t general-override-mode: t which-key-mode: t shell-dirtrack-mode: t evil-mode: t evil-local-mode: t straight-use-package-mode: t straight-package-neutering-mode: t tooltip-mode: t global-eldoc-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 blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t buffer-read-only: t line-number-mode: t transient-mark-mode: t Load-path shadows: /home/dalanicolai/.emacs.d/straight/build/org/ob-processing hides /usr/local/share/emacs/28.0.50/lisp/org/ob-processing /home/dalanicolai/.emacs.d/straight/build/org/ob-io hides /usr/local/share/emacs/28.0.50/lisp/org/ob-io /home/dalanicolai/.emacs.d/straight/build/org/ob-table hides /usr/local/share/emacs/28.0.50/lisp/org/ob-table /home/dalanicolai/.emacs.d/straight/build/org/ob-ruby hides /usr/local/share/emacs/28.0.50/lisp/org/ob-ruby /home/dalanicolai/.emacs.d/straight/build/org/ob-core hides 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bug-gnu-emacs <at> gnu.org:bug#47850; Package emacs.
(Tue, 04 May 2021 09:48:02 GMT) Full text and rfc822 format available.Message #8 received at 47850 <at> debbugs.gnu.org (full text, mbox):
From: Lars Ingebrigtsen <larsi <at> gnus.org> To: dalanicolai <at> gmail.com Cc: 47850 <at> debbugs.gnu.org Subject: Re: bug#47850: 28.0.50; find-file-noselect non-nil nowarn argument effect in read-only buffers Date: Tue, 04 May 2021 11:47:04 +0200
dalanicolai <at> gmail.com writes: > Find-file-noselect buffer in non-existing directory with non-nil nowarn > argument e.g: > > (switch-to-buffer (find-file-noselect "non-existing-dir/test.el" t)) > > the buffer will open in read-only mode. > > Note that with a nowarn is nil argument, the buffer opens in an > editable mode as expected. > > If it is not considered a technical bug then I would consider it a > documentation bug. I think it's a bug. It stems from this thing: (defun after-find-file (&optional error warn noauto _after-find-file-from-revert-buffer nomodes) [...] (cond ((not warn) nil) ((and error (file-exists-p buffer-file-name)) (setq buffer-read-only t) "File exists, but cannot be read") ((and error (file-symlink-p buffer-file-name)) "Symbolic link that points to nonexistent file") ((not buffer-read-only) (if (and warn Already here the code is pretty dubious, because we've already skipped all this if warn is non-nil... Anyway, here's the problem: [...] (t (setq buffer-read-only nil) (unless (file-directory-p default-directory) "Use M-x make-directory RET RET to create the directory and its parents"))))) We should do this action even if warn is non-nil, I think? Or more generally, we should do all the actions in that cond, but not actually issue the warning. I've now done this on the trunk... this means that those file-exists-p things are run in the nil WARN case, so the behaviour is slightly different than before, and it's possible that this may lead to regressions, I think, but it seems unlikely to me. -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no
Lars Ingebrigtsen <larsi <at> gnus.org>
to control <at> debbugs.gnu.org.
(Tue, 04 May 2021 09:49:01 GMT) Full text and rfc822 format available.Lars Ingebrigtsen <larsi <at> gnus.org>
to control <at> debbugs.gnu.org.
(Tue, 04 May 2021 09:49:01 GMT) Full text and rfc822 format available.Debbugs Internal Request <help-debbugs <at> gnu.org>
to internal_control <at> debbugs.gnu.org.
(Tue, 01 Jun 2021 11:24:07 GMT) Full text and rfc822 format available.
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