GNU bug report logs - #12177
mdate-sh scriptversion=2009-04-28.21; # UTC

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: doug <doug <at> mechalogic.net>
Subject: bug#12177: closed (Re: bug#12177: mdate-sh scriptversion=2009-04-28.21;
 # UTC)
Date: Mon, 26 Nov 2012 12:39:02 +0000

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Your bug report

#12177: mdate-sh scriptversion=2009-04-28.21; # UTC

which was filed against the automake package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 12177 <at> debbugs.gnu.org.

-- 
12177: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=12177
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Stefano Lattarini <stefano.lattarini <at> gmail.com>
To: doug <doug <at> mechalogic.net>
Cc: 12177-done <at> debbugs.gnu.org
Subject: Re: bug#12177: mdate-sh scriptversion=2009-04-28.21; # UTC
Date: Mon, 26 Nov 2012 13:37:00 +0100

On 11/21/2012 11:34 AM, Stefano Lattarini wrote:
> Reference:
> <http://debbugs.gnu.org/cgi/bugreport.cgi?bug=12177>
> 
> On 08/12/2012 10:56 AM, Stefano Lattarini wrote:
>> Hi Doug, thanks for the report.
>>
>> On 08/11/2012 02:59 AM, doug wrote:
>>> This file is found in make-3.82 and autotools packages.
>>>
>> Which Automake version?
>>
>>> It runs forever some systems.
>>>
>> Not anymore, since Ralf Wildenhues fixed it two years ago (2010-08-21)
>> with commit v1.11-188-gb268a1f "Improve robustness of mdate-sh script":
>>
>>     Improve robustness of mdate-sh script.
>>
>>     * lib/mdate-sh: Sanitize zsh behavior on startup, to ensure
>>     $ls_command is word-split properly upon invocation.
>>     (error): New function.
>>     (main): Use it.  Improve error checking to avoid endless loop
>>     in case $ls_command gave bogus output.  Fix eval quotation.
>>     * tests/mdate6.test: New test, to expose eval quotation error.
>>     * tests/Makefile.am: Update.
>>
>> The script will still experience an error, though (which is better
>> than an endless loop).
>>
>>> Note below:
>>>
>>> # TIME_STYLE="posix-long-iso" echo x`/home/doug/gentoo/bin/ls -L -d -n /` 
>>> xdrwxr-xr-x 22 0 0 512 July 24 01:43 /
>>>                        ^^^^
>>>
>> What happens if TIME_STYLE is simply unset?
>>
>>> Now look at line 114
>>>
>>>     Jul) month=July; nummonth=7;;
>>>
>>> July will never match Jul and so the loop is infinite.
>>>
>>> Regards
>>> - Doug
>>
> Any news on this bug?  To avoid keeping the Automake bug tracker overly
> cluttered, I'm going to close the report in a few days if I don't hear
> anything back.
>
No further feedback has been received, so I'm closing this report.

Regards,
  Stefano

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From: doug <doug <at> mechalogic.net>
To: bug-automake <at> gnu.org
Subject: mdate-sh scriptversion=2009-04-28.21; # UTC
Date: Fri, 10 Aug 2012 20:59:47 -0400

This file is found in make-3.82 and autotools packages.

It runs forever some systems. Note below:

# TIME_STYLE="posix-long-iso" echo x`/home/doug/gentoo/bin/ls -L -d -n /` 
xdrwxr-xr-x 22 0 0 512 July 24 01:43 /
                       ^^^^

Now look at line 114

    Jul) month=July; nummonth=7;;

July will never match Jul and so the loop is infinite.

Regards
- Doug

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