GNU bug report logs - #6512
23.2; ediff-diff-options being ignored

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Uday S Reddy <u.s.reddy <at> cs.bham.ac.uk>
To: bug-gnu-emacs <at> gnu.org
Cc: U.S.Reddy <at> cs.bham.ac.uk
Subject: 23.2; ediff-diff-options being ignored
Date: Fri, 25 Jun 2010 16:00:38 +0100

I have ediff-diff-options set to "--text".  But, as the backtrace below
shows, it seems to be ignored.

The problem for me is that, on Windows Cygwin, diff --binary is not
working correctly.  diff --text works fine, but ediff isn't using the
option.

Debugger entered--entering a function:
* ediff-exec-process("diff" #<buffer *ediff-diff<3>*> synchronize "--binary" "d:/Home/udr/tmp/saved-options2" "d:/Home/udr/tmp/saved-options")
  byte-code(...)
* ediff-make-diff2-buffer(#<buffer *ediff-diff<3>*> "d:/Home/udr/tmp/saved-options2" "d:/Home/udr/tmp/saved-options")
  ediff-setup-diff-regions("d:/Home/udr/tmp/saved-options2" "d:/Home/udr/tmp/saved-options" nil)
  ediff-setup(#<buffer saved-options2> "d:/Home/udr/tmp/saved-options2" #<buffer saved-options> "d:/Home/udr/tmp/saved-options" nil nil nil ((ediff-job-name . ediff-files)) nil)
  ediff-files-internal("d:/Home/udr/tmp/saved-options2" "d:/Home/udr/tmp/saved-options" nil nil ediff-files)
  ediff-files("d:/Home/udr/tmp/saved-options2" "d:/Home/udr/tmp/saved-options")
  call-interactively(ediff-files t nil)
  execute-extended-command(nil)
  call-interactively(execute-extended-command nil nil)

Cheers,
Uday Reddy
-----


In GNU Emacs 23.2.1 (i386-mingw-nt5.1.2600)
 of 2010-05-08 on G41R2F1
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4) --no-opt --cflags -Ic:/xpm/include'

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: ENU
  value of $XMODIFIERS: nil
  locale-coding-system: cp1252
  default enable-multibyte-characters: t

Major mode: Fundamental

Minor modes in effect:
  diff-auto-refine-mode: t
  shell-dirtrack-mode: t
  which-function-mode: t
  savehist-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  blink-cursor-mode: t
  auto-encryption-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
n s <return> SPC <backspace> <backspace> q <switch-frame> 
<down-mouse-1> <mouse-movement> <mouse-1> M-x l i s 
t - m a t c h - <backspace> i n g = <backspace> - l 
i n e s <return> d i f f - o p t i o n s <return> C-x 
o C-n C-n C-n C-n C-n C-n <return> C-x o C-n C-n C-n 
<down> <down> <down> <down> <down> <down> <down> <down> 
<down> <down> <down> <down> <up> <return> C-x o C-x 
, C-s a c t u a l - d i f f C-s C-s C-s C-s C-s C-r 
C-r C-s C-s C-s C-s C-s C-s C-s C-a C-x , C-s e x e 
c - C-r C-a C-x o C-r e x e c C-a <f1> C-x d e d i 
f f - e x e c - p r o SPC <return> <switch-frame> <down-mouse-1> 
<mouse-movement> <mouse-1> C-x b <return> M-x e d i 
f f - f i l e s <return> <up> <return> <up> <up> <return> 
w M-x l o c a l - s e e t <return> w <backspace> <backspace> 
<backspace> t <return> w t o g g l e - t r u SPC <return> 
w c w <help-echo> <help-echo> <down-mouse-1> <mouse-1> 
<wheel-down> <wheel-down> <wheel-down> <wheel-up> <double-wheel-up> 
<wheel-up> <double-wheel-up> <triple-wheel-up> <wheel-up> 
<double-wheel-up> <triple-wheel-up> <help-echo> <help-echo> 
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
<help-echo> <help-echo> <down-mouse-1> <mouse-1> C-a 
C-SPC 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-x C-k C-x , q M-x s u b m i t - e m SPC <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> r e p o r t - e 
m SPC SPC b u SPC <return>

Recent messages:
Entering debugger...
truncate-lines turned off
Continuing.
Computing differences between saved-options2 and saved-options ...
Entering debugger...
truncate-lines turned off
byte-code: Beginning of buffer [6 times]
Mark set [2 times]
Back to top level.
Making completion list...

Load-path shadows:
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d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-latex hides d:/gnu/emacs-23.2/lisp/org/org-latex
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d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-irc hides d:/gnu/emacs-23.2/lisp/org/org-irc
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-install hides d:/gnu/emacs-23.2/lisp/org/org-install
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-inlinetask hides d:/gnu/emacs-23.2/lisp/org/org-inlinetask
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-info hides d:/gnu/emacs-23.2/lisp/org/org-info
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-indent hides d:/gnu/emacs-23.2/lisp/org/org-indent
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-id hides d:/gnu/emacs-23.2/lisp/org/org-id
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-icalendar hides d:/gnu/emacs-23.2/lisp/org/org-icalendar
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-html hides d:/gnu/emacs-23.2/lisp/org/org-html
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-habit hides d:/gnu/emacs-23.2/lisp/org/org-habit
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-gnus hides d:/gnu/emacs-23.2/lisp/org/org-gnus
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-freemind hides d:/gnu/emacs-23.2/lisp/org/org-freemind
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-footnote hides d:/gnu/emacs-23.2/lisp/org/org-footnote
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-feed hides d:/gnu/emacs-23.2/lisp/org/org-feed
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-faces hides d:/gnu/emacs-23.2/lisp/org/org-faces
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-exp hides d:/gnu/emacs-23.2/lisp/org/org-exp
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-exp-blocks hides d:/gnu/emacs-23.2/lisp/org/org-exp-blocks
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-docbook hides d:/gnu/emacs-23.2/lisp/org/org-docbook
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-datetree hides d:/gnu/emacs-23.2/lisp/org/org-datetree
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-crypt hides d:/gnu/emacs-23.2/lisp/org/org-crypt
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-compat hides d:/gnu/emacs-23.2/lisp/org/org-compat
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-colview hides d:/gnu/emacs-23.2/lisp/org/org-colview
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-clock hides d:/gnu/emacs-23.2/lisp/org/org-clock
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-bibtex hides d:/gnu/emacs-23.2/lisp/org/org-bibtex
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-bbdb hides d:/gnu/emacs-23.2/lisp/org/org-bbdb
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-attach hides d:/gnu/emacs-23.2/lisp/org/org-attach
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-ascii hides d:/gnu/emacs-23.2/lisp/org/org-ascii
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-archive hides d:/gnu/emacs-23.2/lisp/org/org-archive
d:/gnu/emacs-23.2/../packages/org-mode/lisp/org-agenda hides d:/gnu/emacs-23.2/lisp/org/org-agenda
d:/Home/udr/share/emacs/rnews hides d:/gnu/emacs-23.2/lisp/obsolete/rnews

Features:
(shadow sort message ecomplete mml mml-sec mm-decode mm-bodies mm-encode
mailcap nnheader gmm-utils mailheader canlock hashcash emacsbug
find-func vc autoconf autoconf-mode org-wl org-w3m org-vm org-rmail
org-mhe org-mew org-irc org-jsinfo org-infojs org-html org-exp
org-exp-blocks org-agenda org-info org-gnus org-docview org-bibtex
org-bbdb org byte-opt bytecomp byte-compile org-footnote org-src
org-list org-faces org-compat org-entities org-macs noutline outline
cal-menu calendar cal-loaddefs texinfo mule-util add-log ediff-merg
ediff-diff ediff-wind ediff-help ediff-util ediff-mult ediff-init ediff
vc-dispatcher smerge-mode diff-mode easy-mmode cus-edit cus-start
cus-load pp debug cl-specs edebug w3m-form vm-w3m w3m doc-view
image-mode w3m-hist w3m-fb w3m-ems wid-edit w3m-ccl ccl w3m-favicon
w3m-image w3m-proc w3m-util bbdb-gui smtpmail vm-pine flyspell ispell
newcomment mail-utils vm-digest mailalias vm-reply longlines nroff-mode
ansi-color sh-script executable multi-isearch tramp-imap assoc tramp-gw
tramp-fish tramp-cache tramp-ftp tramp-cmds tramp auth-source gnus-util
netrc shell password-cache format-spec tramp-compat trampver browse-url
info vm-delete bbdb-hooks mail-parse rfc2231 rfc2047 rfc2045 qp
ietf-drums mm-util time-date mail-prsvr vm-pop tapestry vm-sort
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natural-space NatSpeak sendmail regexp-opt echistory chistory ehelp
electric derived which-func imenu advice help-fns advice-preload edmacro
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tool-bar dnd fontset image fringe lisp-mode register page menu-bar
rfn-eshadow timer select scroll-bar mldrag mouse jit-lock font-lock
syntax facemenu font-core frame cham georgian utf-8-lang misc-lang
vietnamese tibetan thai tai-viet lao korean japanese hebrew greek
romanian slovak czech european ethiopic indian cyrillic chinese
case-table epa-hook jka-cmpr-hook help simple abbrev loaddefs button
minibuffer faces cus-face files text-properties overlay md5 base64
format env code-pages mule custom widget hashtable-print-readable
backquote make-network-process multi-tty emacs)

-- 

Message #8 received at 6512 <at> debbugs.gnu.org (full text, mbox):

From: Leo <sdl.web <at> gmail.com>
To: 6512 <at> debbugs.gnu.org
Subject: Re: 23.2; ediff-diff-options being ignored
Date: Fri, 25 Jun 2010 20:29:49 +0100

Granted the naming of ediff-diff-options is not optimal but the doc
string says clearly what you should do.

Message #11 received at 6512 <at> debbugs.gnu.org (full text, mbox):

From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
To: Leo <sdl.web <at> gmail.com>
Cc: 6512 <at> debbugs.gnu.org
Subject: Re: 23.2; ediff-diff-options being ignored
Date: Wed, 21 Sep 2011 23:03:31 +0200

Leo <sdl.web <at> gmail.com> writes:

> Granted the naming of ediff-diff-options is not optimal but the doc
> string says clearly what you should do.

What is it that should be done?

-- 
(domestic pets only, the antidote for overdose, milk.)
  bloggy blog http://lars.ingebrigtsen.no/

Message #14 received at 6512 <at> debbugs.gnu.org (full text, mbox):

From: Leo <sdl.web <at> gmail.com>
To: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
Cc: 6512 <at> debbugs.gnu.org
Subject: Re: 23.2; ediff-diff-options being ignored
Date: Thu, 22 Sep 2011 07:43:22 +0800

On 2011-09-22 05:03 +0800, Lars Magne Ingebrigtsen wrote:
>> Granted the naming of ediff-diff-options is not optimal but the doc
>> string says clearly what you should do.
>
> What is it that should be done?

I was commenting on the fact that ediff-diff-options was for options
passing to the external tool `diff' while ediff-custom-diff-options for
ediff.

Leo

Message #17 received at 6512 <at> debbugs.gnu.org (full text, mbox):

From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
To: Leo <sdl.web <at> gmail.com>
Cc: 6512 <at> debbugs.gnu.org
Subject: Re: 23.2; ediff-diff-options being ignored
Date: Fri, 23 Sep 2011 13:00:57 +0200

Leo <sdl.web <at> gmail.com> writes:

> I was commenting on the fact that ediff-diff-options was for options
> passing to the external tool `diff' while ediff-custom-diff-options for
> ediff.

So the original bug reporter is altering the wrong variable?

-- 
(domestic pets only, the antidote for overdose, milk.)
  bloggy blog http://lars.ingebrigtsen.no/

Message #20 received at 6512 <at> debbugs.gnu.org (full text, mbox):

From: Uday S Reddy <u.s.reddy <at> cs.bham.ac.uk>
To: Leo Shidai Liu <shidai.liu <at> gmail.com>
Cc: 6512 <at> debbugs.gnu.org, Uday S Reddy <u.s.reddy <at> cs.bham.ac.uk>,
	Lars Magne Ingebrigtsen <larsi <at> gnus.org>
Subject: Re: 23.2; ediff-diff-options being ignored
Date: Fri, 23 Sep 2011 14:23:32 +0100

Leo Shidai Liu writes:

> My comment was wrong. Sorry. Uday was setting the right variable for his
> purpose but I don't know if the bug is due to not setting it through
> customize.

Thanks for that.  I can confirm that setting it through customize has the
desired effect.

Perhaps the cheapest thing to do would be to modify the 'info' page and the
doc string saying that these variables should only be set through customize.
(I don't know what other variables are similarly dependent on customize.)

Cheers,
Uday

Message #23 received at 6512 <at> debbugs.gnu.org (full text, mbox):

From: Leo Shidai Liu <shidai.liu <at> gmail.com>
To: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
Cc: 6512 <at> debbugs.gnu.org, Uday S Reddy <u.s.reddy <at> cs.bham.ac.uk>
Subject: Re: 23.2; ediff-diff-options being ignored
Date: Fri, 23 Sep 2011 19:21:39 +0800

On 2011-09-23 19:00 +0800, Lars Magne Ingebrigtsen wrote:
[snipped 4 lines]
> So the original bug reporter is altering the wrong variable?


I just read the whole bug report. 

My comment was wrong. Sorry. Uday was setting the right variable for his
purpose but I don't know if the bug is due to not setting it through
customize.

From the definition of ediff-diff-options, ediff-set-diff-options is
required for the changed value to be in effect.

Leo

Message #26 received at 6512 <at> debbugs.gnu.org (full text, mbox):

From: Lennart Borgman <lennart.borgman <at> gmail.com>
To: Uday S Reddy <u.s.reddy <at> cs.bham.ac.uk>
Cc: 6512 <at> debbugs.gnu.org, Lars Magne Ingebrigtsen <larsi <at> gnus.org>,
	Leo Shidai Liu <shidai.liu <at> gmail.com>
Subject: Re: bug#6512: 23.2; ediff-diff-options being ignored
Date: Fri, 23 Sep 2011 23:01:28 +0200

On Fri, Sep 23, 2011 at 15:23, Uday S Reddy <u.s.reddy <at> cs.bham.ac.uk> wrote:
> Leo Shidai Liu writes:
>
>> My comment was wrong. Sorry. Uday was setting the right variable for his
>> purpose but I don't know if the bug is due to not setting it through
>> customize.
>
> Thanks for that.  I can confirm that setting it through customize has the
> desired effect.
>
> Perhaps the cheapest thing to do would be to modify the 'info' page and the
> doc string saying that these variables should only be set through customize.
> (I don't know what other variables are similarly dependent on customize.)

Please mention this in the doc strings for the variables.

Message #29 received at 6512 <at> debbugs.gnu.org (full text, mbox):

From: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
To: Leo Shidai Liu <shidai.liu <at> gmail.com>
Cc: 6512 <at> debbugs.gnu.org, Uday S Reddy <u.s.reddy <at> cs.bham.ac.uk>
Subject: Re: 23.2; ediff-diff-options being ignored
Date: Mon, 26 Sep 2011 00:22:29 +0200

Leo Shidai Liu <shidai.liu <at> gmail.com> writes:

> From the definition of ediff-diff-options, ediff-set-diff-options is
> required for the changed value to be in effect.

Right.  I think that sounds like a misfeature, and should be fixed.  I
don't really see the point of computing `ediff-actual-diff-options' and
`ediff-actual-diff3-options' in that roundabout fashion.  I think those
variables should be removed and `ediff-diff-options' (etc) should be
used directly.

Probably not for Emacs 24, though.

-- 
(domestic pets only, the antidote for overdose, milk.)
  bloggy blog http://lars.ingebrigtsen.no/

Message #32 received at 6512 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Uday S Reddy <u.s.reddy <at> cs.bham.ac.uk>
Cc: 6512 <at> debbugs.gnu.org, Leo Shidai Liu <shidai.liu <at> gmail.com>
Subject: Re: bug#6512: 23.2; ediff-diff-options being ignored
Date: Mon, 07 Feb 2022 01:39:03 +0100

Uday S Reddy <u.s.reddy <at> cs.bham.ac.uk> writes:

> Perhaps the cheapest thing to do would be to modify the 'info' page and the
> doc string saying that these variables should only be set through customize.

(I'm going through old bug reports that unfortunately weren't resolved
at the time.)

I've now adjusted the documentation here for Emacs 29.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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