GNU bug report logs - #1422
diff upon trouble

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From: help-debbugs <at> gnu.org (Emacs bug Tracking System)
To: Chong Yidong <cyd <at> stupidchicken.com>
Subject: bug#1422: marked as done (diff upon trouble)

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Your message dated Mon, 24 Nov 2008 16:12:28 -0500
with message-id <87hc5weslf.fsf <at> cyd.mit.edu>
and subject line diff upon trouble
has caused the Emacs bug report #1422,
regarding diff upon trouble
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact don <at> donarmstrong.com
immediately.)


-- 
1422: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=1422
Emacs Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: jidanni <at> jidanni.org
To: bug-gnu-emacs <at> gnu.org
Cc: bug-gnu-utils <at> gnu.org
Subject: diff upon trouble
Date: Tue, 25 Nov 2008 01:57:32 +0800

Digging deep into (info "(diff)Invoking diff") we learn
   An exit status of 0 means no differences were found, 1 means some
   differences were found, and 2 means trouble.
which should also be on diff's man page. Bug CC'd.
Also "trouble" should be explained.
P.S. maybe warn on diff a a: same file. OK never mind.

Now let's examine emacs M-x diff's final line on three different exit values:
0:Diff finished.  Tue Nov 25...
1:Diff finished (no differences).  Tue Nov 25...
2:Diff finished.  Tue Nov 25...

The latter should also mention *** Trouble Encountered *** even if it
is mentioned by the diff error messages. We want to see it on the
bottom line too.

No diff-version variable. Can't tell from diff.el either.
emacs-version "22.2.1". diff (GNU diffutils) 2.8.1

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From: Chong Yidong <cyd <at> stupidchicken.com>
To: jidanni <at> jidanni.org
Cc: 1422-done <at> debbugs.gnu.org
Subject: diff upon trouble
Date: Mon, 24 Nov 2008 16:12:28 -0500

> Now let's examine emacs M-x diff's final line on three different exit values:
> 0:Diff finished.  Tue Nov 25...
> 1:Diff finished (no differences).  Tue Nov 25...
> 2:Diff finished.  Tue Nov 25...
>
> The latter should also mention *** Trouble Encountered *** even if it
> is mentioned by the diff error messages. We want to see it on the
> bottom line too.

Fixed, thanks.

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