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bug#13344: 24.3.50; Gnus error c:/dev/fd/0
From: |
nyc4bos |
Subject: |
bug#13344: 24.3.50; Gnus error c:/dev/fd/0 |
Date: |
Thu, 03 Jan 2013 21:07:26 -0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (windows-nt) |
Eli Zaretskii <eliz@gnu.org> writes:
>> From: nyc4bos@aol.com
>> Date: Thu, 03 Jan 2013 00:14:43 +0000
>>
>> There appears to be an error opening up the .authinfo.gpg file.
>>
>> I get the error in the *Messages* buffer:
>>
>> Unable to open server nnimap+aol due to: Opening input file: Opening process
>> input file, no such file or directory, c:/dev/fd/0
>> Opening nnimap server on aol...failed:
>
> Looks like this comes from this snippet in epg.el:epg--start:
>
> ;; Set GPG_TTY and TERM for pinentry-curses. Note that we can't
> ;; use `terminal-name' here to get the real pty name for the child
> ;; process, though /dev/fd/0" is not portable.
> (with-temp-buffer
> (when (= (call-process "tty" "/dev/fd/0" t) 0)
> (delete-backward-char 1)
> (setq terminal-name (buffer-string))))
>
> Obviously, this will never work on Windows.
>
> I know nothing about this stuff, so I have no idea why you get there
> now, but didn't get there before. Maybe this will give you a hint to
> start digging.
Thanks Eli.
Here is the bare-bones way to duplicate this bug.
>From runemacs.exe -Q, evaluated in *scratch* the following:
(require 'epa-file)
(epa-file-enable)
(setq epa-file-cache-passphrase-for-symmetric-encryption t)
The output I get after "(epa-file-enable)" is:
"`epa-file' already enabled"
Now, setting `toggle-debug-on-error' and just using ^X^F `(find-file)'
on the .authinfo.gpg file, I get the following backtrace:
Debugger entered--Lisp error: (file-error "Opening input file" "Opening process
input file" "no such file or directory" "c:/dev/fd/0").
signal(file-error ("Opening input file" "Opening process input file" "no such
file or directory" "c:/dev/fd/0")).
epa-file--find-file-not-found-function().
run-hook-with-args-until-success(epa-file--find-file-not-found-function).
byte-code("\303!\203. \304!\204. \305
!\210\306\307\310D\"\210\311\312!\204.\313.\303\207" [filename buf error
file-exists-p file-readable-p kill-buffer signal file-error "File is not
readable" run-hook-with-args-until-success find-file-not-found-functions t] 4).
find-file-noselect-1(#<killed buffer> "~/.authinfo.gpg" nil nil
"~/.authinfo.gpg" (0 146575129)).
find-file-noselect("c:/home/.authinfo.gpg" nil nil t).
find-file("c:/home/.authinfo.gpg" t).
call-interactively(find-file nil nil).
Maybe if "/dev/fd/0" (or its equivalent) doesn't exists, this part of
epg.el:epg--start should be skipped as the comment acknowledges that
"/dev/fd/0" is not portable?
Thanks.