* bug#9865: 24.0.90; recent change in comint.el broke the comint-use-prompt-regexp functionality
@ 2011-10-25 0:08 Nick Dokos
2011-10-25 2:19 ` Stefan Monnier
0 siblings, 1 reply; 2+ messages in thread
From: Nick Dokos @ 2011-10-25 0:08 UTC (permalink / raw)
To: 9865; +Cc: nicholas.dokos
I set comint-use-prompt-regexp to t and comint-prompt-regexp to "^[^#$%>\n]*[#$%>] *"
(the shell: regexp from the documentation of this variable).
In 24.0.50, positioning the cursor at the end of a previous input line and
pressing RET would reexecute that command line - indeed, (comint-get-old-input-default)
returns the command line only.
In 24.0.90, this is broken: (comint-get-old-input-default) returns much
(if not all) of the previous input and output as well: chaos ensues when
the shell tries to execute every line.
I traced it to one of the two most recent commits affecting comint.el
(most probably the second one):
,----
| commit c451f47a33eb00d9cf707961917de265ba65ee52
| Author: Stefan Monnier <monnier@iro.umontreal.ca>
| Date: Mon Oct 17 13:14:04 2011 -0400
|
| * lisp/comint.el (comint-insert-input): Fix last change.
|
| commit 21b9f0a7037f2a1e558a0fc3db1ac0b9ad008b0c
| Author: Stefan Monnier <monnier@iro.umontreal.ca>
| Date: Mon Oct 17 12:33:23 2011 -0400
|
| comint.el: Don't let `insert' break an `input' field into two.
| * lisp/comint.el (comint-insert-input, comint-send-input)
| (comint-get-old-input-default, comint-backward-matching-input)
| (comint-next-prompt): Use nil instead of `input' for field property of
| past user input (bug#114).
`----
If I go back to the version of comint.el just prior to this one,
whose commit log looks like this:
,----
| commit 073daad05ec34b1d44ba9e2211b048a884a8b7cf
| Author: Stefan Monnier <monnier@iro.umontreal.ca>
| Date: Mon Oct 17 09:43:40 2011 -0400
|
| * lisp/comint.el (comint--table-subvert): Quote the all-completions output.
`----
everything works as it should.
In GNU Emacs 24.0.90.1 (x86_64-unknown-linux-gnu, GTK+ Version 2.22.0)
of 2011-10-21 on alphaville.americas.hpqcorp.net
Windowing system distributor `The X.Org Foundation', version 11.0.10900000
Important settings:
value of $LC_ALL: nil
value of $LC_COLLATE: nil
value of $LC_CTYPE: nil
value of $LC_MESSAGES: nil
value of $LC_MONETARY: nil
value of $LC_NUMERIC: nil
value of $LC_TIME: nil
value of $LANG: en_US.UTF-8
value of $XMODIFIERS: @im=SCIM
locale-coding-system: utf-8-unix
default enable-multibyte-characters: t
Major mode: Info
Minor modes in effect:
TeX-PDF-mode: t
yas/global-mode: t
diff-auto-refine-mode: t
shell-dirtrack-mode: t
display-time-mode: t
tooltip-mode: t
mouse-wheel-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
transient-mark-mode: t
Recent input:
SPC c o m i n t . e l <backspace> <backspace> <backspace>
<backspace> <backspace> <backspace> <backspace> <backspace>
<backspace> <backspace> <backspace> <backspace> <backspace>
<backspace> s h o w SPC <down-mouse-1> <mouse-1> <double-down-mouse-1>
<double-mouse-1> <down-mouse-2> <mouse-2> <down-mouse-1>
<mouse-movement> <mouse-1> C-y <return> g i t SPC s
h o w SPC <down-mouse-1> <mouse-1> <down-mouse-1> <mouse-1>
<double-down-mouse-1> <double-mouse-1> <select-window>
<down-mouse-2> <mouse-2> <down-mouse-1> <mouse-1> <down-mouse-2>
<mouse-2> <return> <help-echo> <select-window> <help-echo>
g o t SPC c <backspace> l o g SPC - 2 SPC c o m i n
t . e l <return> g i t SPC l o g SPC - 2 SPC c o m
i n t . e l <return> <select-window> <help-echo> <down-mouse-1>
<mouse-movement> <mouse-movement> <drag-mouse-1> <f12>
C-g M-x e a m <backspace> <backspace> m a v s <backspace>
<backspace> c s - b u g <tab> <backspace> <backspace>
<backspace> b u g <backspace> <backspace> <backspace>
<backspace> <backspace> <backspace> <backspace> <backspace>
<backspace> b u g - r e <tab> <backspace> <backspace>
<backspace> <backspace> <backspace> <backspace> <backspace>
<backspace> <backspace> <backspace> <backspace> <backspace>
<backspace> <backspace> s u b m i t - e m <tab> <backspace>
<backspace> <backspace> C-g C-h i m e m a c s <return>
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-p C-p C-p C-p
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p <return> n
i b u g SPC r <backspace> <backspace> SPC <backspace>
<return> i s u b m i t SPC <return> C-v C-p C-p C-p
C-p C-p <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <menu-bar> <help-menu> <se
nd-emacs-bug-report>
Recent messages:
History item: 5
History item: 6
Loading /home/nick/src/emacs/emacs.repo/emacs/lisp/comint.el (source)...done
"ls"
Mark set [2 times]
Quit
Composing main Info directory...done
Found `--debug-init' in Option Index. (17 total; use `,' for next)
Info-index: No `submit' in index
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^ permalink raw reply [flat|nested] 2+ messages in thread
* bug#9865: 24.0.90; recent change in comint.el broke the comint-use-prompt-regexp functionality
2011-10-25 0:08 bug#9865: 24.0.90; recent change in comint.el broke the comint-use-prompt-regexp functionality Nick Dokos
@ 2011-10-25 2:19 ` Stefan Monnier
0 siblings, 0 replies; 2+ messages in thread
From: Stefan Monnier @ 2011-10-25 2:19 UTC (permalink / raw)
To: nicholas.dokos; +Cc: 9865-done
> I set comint-use-prompt-regexp to t and comint-prompt-regexp to "^[^#$%>\n]*[#$%>] *"
> (the shell: regexp from the documentation of this variable).
> In 24.0.90, this is broken: (comint-get-old-input-default) returns much
> (if not all) of the previous input and output as well: chaos ensues when
> the shell tries to execute every line.
Thank you.
I installed the patch below which should fix this problem. Please keep
your eyes open for any odd behaviors in comint since I may have a missed
a few more such cases.
Stefan
=== modified file 'lisp/comint.el'
--- lisp/comint.el 2011-10-18 03:57:12 +0000
+++ lisp/comint.el 2011-10-25 02:10:32 +0000
@@ -2153,7 +2166,8 @@
the current line with any initial string matching the regexp
`comint-prompt-regexp' removed."
(let ((bof (field-beginning)))
- (if (null (get-char-property bof 'field)) ;Not `output'.
+ (if (and comint-use-prompt-regexp
+ (null (get-char-property bof 'field))) ;Not `output'.
(field-string-no-properties bof)
(comint-bol)
(buffer-substring-no-properties (point) (line-end-position)))))
^ permalink raw reply [flat|nested] 2+ messages in thread
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2011-10-25 0:08 bug#9865: 24.0.90; recent change in comint.el broke the comint-use-prompt-regexp functionality Nick Dokos
2011-10-25 2:19 ` Stefan Monnier
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