GNU bug report logs -
#31028
27.0.50; Saving shell buffers to a file makes the desktop file unreadable
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Reported by: Juri Linkov <juri <at> linkov.net>
Date: Mon, 2 Apr 2018 19:57:02 UTC
Severity: minor
Found in version 27.0.50
Done: Juri Linkov <juri <at> linkov.net>
Bug is archived. No further changes may be made.
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Report forwarded
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bug-gnu-emacs <at> gnu.org
:
bug#31028
; Package
emacs
.
(Mon, 02 Apr 2018 19:57:02 GMT)
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Acknowledgement sent
to
Juri Linkov <juri <at> linkov.net>
:
New bug report received and forwarded. Copy sent to
bug-gnu-emacs <at> gnu.org
.
(Mon, 02 Apr 2018 19:57:02 GMT)
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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
[Message part 1 (text/plain, inline)]
1. M-x shell RET
2. C-d (send EOF to exit shell)
3. C-x C-s (save to a file)
4. M-x desktop-save-in-desktop-dir RET
5. Restart Emacs
Loading the desktop file fails because the file buffer is saved with shell-mode,
but on reading shell-mode fails while trying to eval
(process-command (get-buffer-process (current-buffer)))
where get-buffer-process returns nil that is unacceptable as an arg
to process-command.
Possible solutions:
1. Skip and don't save buffers with shell-mode
by adding it to the default value of desktop-modes-not-to-save
2. Still save but properly handle shell buffers on reading, i.e. fix shell-mode
to check for nil values such as in this patch:
[desktop-shell-mode.patch (text/x-diff, inline)]
diff --git a/lisp/shell.el b/lisp/shell.el
index 5c228a5..d4a0556 100644
--- a/lisp/shell.el
+++ b/lisp/shell.el
@@ -568,8 +568,10 @@ shell-mode
(setq list-buffers-directory (expand-file-name default-directory))
;; shell-dependent assignments.
(when (ring-empty-p comint-input-ring)
- (let ((shell (file-name-nondirectory (car
- (process-command (get-buffer-process (current-buffer))))))
+ (let ((shell (if (get-buffer-process (current-buffer))
+ (file-name-nondirectory
+ (car (process-command (get-buffer-process (current-buffer)))))
+ ""))
(hsize (getenv "HISTSIZE")))
(and (stringp hsize)
(integerp (setq hsize (string-to-number hsize)))
Reply sent
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Juri Linkov <juri <at> linkov.net>
:
You have taken responsibility.
(Wed, 04 Apr 2018 20:45:02 GMT)
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Juri Linkov <juri <at> linkov.net>
:
bug acknowledged by developer.
(Wed, 04 Apr 2018 20:45:02 GMT)
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Message #10 received at 31028-done <at> debbugs.gnu.org (full text, mbox):
> 2. Still save but properly handle shell buffers on reading, i.e. fix shell-mode
> to check for nil values such as in this patch:
This solution installed to master.
bug archived.
Request was from
Debbugs Internal Request <help-debbugs <at> gnu.org>
to
internal_control <at> debbugs.gnu.org
.
(Thu, 03 May 2018 11:24:06 GMT)
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This bug report was last modified 6 years and 2 days ago.
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