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bug#42431: 28.0.50; browse-url-of-dired-file confusing messaging
From: |
Lars Ingebrigtsen |
Subject: |
bug#42431: 28.0.50; browse-url-of-dired-file confusing messaging |
Date: |
Tue, 28 Jul 2020 00:24:23 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Lars Ingebrigtsen <larsi@gnus.org> writes:
> Create a file /tmp/a.txt, and visit /tmp.
> M-x browse-url-of-dired-file on the file.
>
> Emacs will say:
>
> File exists, but cannot be read
>
> and then display the file in a text-mode buffer.
Here's a simpler reproduction. Ensure that /tmp/a.txt exists, and then
eval:
(browse-url-of-file "/tmp/a.txt")
The message originates from here, sort of:
(defun find-file-noselect-1 (buf filename nowarn rawfile truename number)
[...]
(condition-case ()
(let ((inhibit-read-only t))
(insert-file-contents-literally filename t))
(file-error
(when (and (file-exists-p filename)
(not (file-readable-p filename)))
(kill-buffer buf)
(signal 'file-error (list "File is not readable"
filename)))
If we remove that condition-case, we get:
Debugger entered--Lisp error: (file-error "Opening input file" "Success")
insert-file-contents("file:///tmp/a.txt" t)
So the insert-file-contents-literally signals a "Success" file-error
when using url-handler-mode.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no