GNU bug report logs - #2629
23.0.91; emacs-snapshot20090308: epa can not save .gpg buffer

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From: Chong Yidong <cyd <at> stupidchicken.com>
To: Daiki Ueno <ueno <at> unixuser.org>
Cc: Memnon Anon <gegendosenfleisch <at> googlemail.com>,
        2629 <at> debbugs.gnu.org
Subject: bug#2629: 23.0.91; emacs-snapshot20090308: epa can not save .gpg buffer
Date: Thu, 12 Mar 2009 10:09:57 -0400

Hi Daiki,

Could you take a look at Bug#2629?  Thanks.


Memnon Anon <gegendosenfleisch <at> googlemail.com> writes:

> Chong Yidong <cyd <at> stupidchicken.com> writes:
> [...]
>>
>> I can't reproduce this bug.
>>
>> Could you please go to epa-file.el, and do M-x eval buffer RET, then
>> trigger the bug again?  That might provide a more informative Lisp
>> backtrace.  Thanks.
>
> Did so. This is from my running emacs, but I verified the problem is
> also when emacs-snapshot is started -Q.
> I would love to do more, but I can't. :(
>
> Output of toggle-debug-on-error:
>
> Debugger entered--Lisp error: (file-error "Opening output file" integer-or-marker-p nil)
>   signal(file-error ("Opening output file" integer-or-marker-p nil))
>   (condition-case error (setq string (epg-encrypt-string context ... ...)) (error (if ... ...) (signal ... ...)))
>   (let* ((coding-system ...) (context ...) (coding-system-for-write ...) string entry (recipients ...)) (epg-context-set-passphrase-callback context (cons ... file)) (epg-context-set-progress-callback context (function epa-progress-callback-function)) (epg-context-set-armor context epa-armor) (condition-case error (setq string ...) (error ... ...)) (epa-file-run-real-handler (function write-region) (list string nil file append visit lockname mustbenew)) (if (boundp ...) (setq last-coding-system-used coding-system)) (if (eq visit t) (progn ... ...) (if ... ...)) (if (or ... ... ...) (message "Wrote %s" buffer-file-name)))
>   epa-file-write-region(nil nil "/home/username/testing.gpg" nil t)
>   apply(epa-file-write-region (nil nil "/home/username/testing.gpg" nil t))
>   (if op (apply op args) (epa-file-run-real-handler operation args))
>   (let ((op ...)) (if op (apply op args) (epa-file-run-real-handler operation args)))
>   (progn (let (...) (if op ... ...)))
>   (unwind-protect (progn (let ... ...)) (set-match-data save-match-data-internal (quote evaporate)))
>   (let ((save-match-data-internal ...)) (unwind-protect (progn ...) (set-match-data save-match-data-internal ...)))
>   (save-match-data (let (...) (if op ... ...)))
>   epa-file-handler(write-region nil nil "/home/username/testing.gpg" nil t)
>   write-region(nil nil "/home/username/testing.gpg" nil t "~/testing.gpg")
>   basic-save-buffer-2()
>   basic-save-buffer-1()
>   basic-save-buffer()
>   save-buffer(1)
>   call-interactively(save-buffer nil nil)

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