GNU bug report logs - #56531
27.2; Ido C-f in read-file-name inserts twice the initial name

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

From: Tobias Bora <tobias.bora <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.2; Ido C-f in read-file-name inserts twice the initial name
Date: Wed, 13 Jul 2022 11:27:11 +0200

Dear maintainers,

If you enable ido with (setq ido-auto-merge-work-directories-length -1)
and evaluate:

(read-file-name  "Picture name:" "/tmp" nil nil "defaultname.png")

and go at the end of the buffer with C-e (not sure why the cursor is not
there by default), and press C-f to come back to a normal file prompt
(not using ido), then the initial text is written one more time, so the
prompt is now:

/tmp/defaultname.png*defaultname.png

where * is the position of the cursor. I would expect C-f in that case
to just prompt /tmp/defaultname.png.

Thanks!

In GNU Emacs 27.2 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.27, 
cairo version 1.16.0)
Windowing system distributor 'The X.Org Foundation', version 11.0.12013000
System Description: NixOS 22.05 (Quokka)

Recent messages:
Mark set
"/tmp/KRITA_SWAP_FILE_MWZMdW"
user-error: No window left from selected window
user-error: No window right from selected window
Quit
"/tmp/"
Delete /tmp/a.pdf? (y or n) n [2 times]
Quit [5 times]
Mark set
M-s-w is undefined

Configured using:
 'configure
 --prefix=/nix/store/88i1c5xv4cznlwwxvygd5m3w8m1g8czw-emacs-27.2
 --disable-build-details --with-modules --with-x-toolkit=gtk3 --with-xft
 --with-cairo'

Configured features:
XPM JPEG TIFF GIF PNG RSVG CAIRO SOUND DBUS GSETTINGS GLIB NOTIFY
INOTIFY LIBSELINUX GNUTLS LIBXML2 FREETYPE HARFBUZZ M17N_FLT LIBOTF ZLIB
TOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM MODULES THREADS LIBSYSTEMD JSON
PDUMPER GMP

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

Major mode: Text

Minor modes in effect:
  dap-tooltip-mode: t
  dap-ui-many-windows-mode: t
  dap-ui-controls-mode: t
  dap-ui-mode: t
  dap-auto-configure-mode: t
  dap-mode: t
  treemacs-filewatch-mode: t
  treemacs-follow-mode: t
  treemacs-git-mode: t
  treemacs-fringe-indicator-mode: t
  which-key-mode: t
  async-bytecomp-package-mode: t
  shell-dirtrack-mode: t
  yas-global-mode: t
  yas-minor-mode: t
  TeX-PDF-mode: t
  TeX-source-correlate-mode: t
  ido-ubiquitous-mode: t
  ido-everywhere: t
  show-paren-mode: t
  global-undo-tree-mode: t
  undo-tree-mode: t
  recentf-mode: t
  delete-selection-mode: t
  minions-mode: t
  override-global-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
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  global-visual-line-mode: t
  visual-line-mode: t
  transient-mark-mode: t

Load-path shadows:
/home/leo/.nix-profile/share/emacs/site-lisp/site-start hides 
/run/current-system/sw/share/emacs/site-lisp/site-start
/home/leo/.nix-profile/share/emacs/site-lisp/site-start hides 
/nix/store/hlvi7jg87pr89j4d3xli0bjb21gj7pyr-emacs-packages-deps/share/emacs/site-lisp/site-start
/home/leo/.nix-profile/share/emacs/site-lisp/site-start hides 
/nix/store/88i1c5xv4cznlwwxvygd5m3w8m1g8czw-emacs-27.2/share/emacs/site-lisp/site-start

Features:
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vc-git diff-mode misearch multi-isearch server texmathp preview
prv-emacs reftex-dcr tex-bar toolbar-x font-latex tex-mode latexenc smex
helm-lsp helm-imenu dap-mouse dap-ui bui bui-list bui-info bui-entry
bui-core bui-history bui-button bui-utils lsp-lens dap-java dap-mode
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Memory information:
((conses 16 1101562 135164)
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Message #10 received at 56531 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Tobias Bora <tobias.bora <at> gmail.com>
Cc: 56531 <at> debbugs.gnu.org, 56532 <at> debbugs.gnu.org
Subject: Re: bug#56532: 27.2; Ido C-f in read-file-name inserts twice the
 initial name
Date: Wed, 13 Jul 2022 13:07:59 +0200

Tobias Bora <tobias.bora <at> gmail.com> writes:

> Dear maintainers,
>
> If you enable ido with (setq ido-auto-merge-work-directories-length -1)
> and evaluate:
>
> (read-file-name  "Picture name:" "/tmp" nil nil "defaultname.png")
>
> and go at the end of the buffer with C-e (not sure why the cursor is not
> there by default), and press C-f to come back to a normal file prompt
> (not using ido),

Are there some missing bits in this recipe?  `C-f' after eval-ing that
form just moves point, it doesn't change what's prompted for.

In any case, in Emacs directories are supposed to end with a slash, so
the correct syntax would be:

(read-file-name  "Picture name:" "/tmp/" nil nil "defaultname.png")

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #15 received at 56531 <at> debbugs.gnu.org (full text, mbox):

From: Tobias Bora <tobias.bora <at> gmail.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 56531 <at> debbugs.gnu.org, 56532 <at> debbugs.gnu.org
Subject: Re: bug#56532: 27.2; Ido C-f in read-file-name inserts twice the
 initial name
Date: Wed, 13 Jul 2022 16:16:22 +0200

[Message part 1 (text/plain, inline)]

Thanks for you answer.

Well the procedure is complete: C-f moves the point until you reach the 
end of the message and then it changes the prompt. If you do C-e as I 
explained before C-f, the point should already be at the end of the 
message and therefore it can't move further.

I tried to add a slash, the problem is the same, as demonstrated in the 
attached gif.

On 13/07/2022 13:07, Lars Ingebrigtsen wrote:
> Tobias Bora <tobias.bora <at> gmail.com> writes:
>
>> Dear maintainers,
>>
>> If you enable ido with (setq ido-auto-merge-work-directories-length -1)
>> and evaluate:
>>
>> (read-file-name  "Picture name:" "/tmp" nil nil "defaultname.png")
>>
>> and go at the end of the buffer with C-e (not sure why the cursor is not
>> there by default), and press C-f to come back to a normal file prompt
>> (not using ido),
> Are there some missing bits in this recipe?  `C-f' after eval-ing that
> form just moves point, it doesn't change what's prompted for.
>
> In any case, in Emacs directories are supposed to end with a slash, so
> the correct syntax would be:
>
> (read-file-name  "Picture name:" "/tmp/" nil nil "defaultname.png")
>

[Peek 13-07-2022 16-14.gif (image/gif, attachment)]

Message #18 received at 56531 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Tobias Bora <tobias.bora <at> gmail.com>
Cc: 56531 <at> debbugs.gnu.org, 56532 <at> debbugs.gnu.org
Subject: Re: bug#56532: 27.2; Ido C-f in read-file-name inserts twice the
 initial name
Date: Wed, 13 Jul 2022 17:00:03 +0200

Tobias Bora <tobias.bora <at> gmail.com> writes:

> Well the procedure is complete: C-f moves the point until you reach
> the end of the message and then it changes the prompt.

With the recipe, `C-f' just says [End of buffer] -- no prompts are
changed.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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