On 2011-02-03 19:18 +0100, Eddy Petrișor wrote:
> Francesco Poli a scris:
>> tag 611913 unreproducible
>> severity 611913 normal
>> thanks
>>
>>
>> On Thu, 03 Feb 2011 18:56:25 +0200 Eddy Petrișor wrote:
>>
>>> Subject: apt-listbugs: Breaks installation if removed and not purged
>>> Package: apt-listbugs
>>> Version: 0.0.90
>>> Severity: critical
>>> Justification: breaks unrelated software
>> [...]
>>> Hello,
>>
>> Hi Eddy.
>> Thanks for your bug report!
>>
>>> I am aware that the 0.0.90 version is not in lenny nor in squeeze,
>>> but I've checked the faulty script and it has the same form in 0.0.89.
>>>
>>> The problem is that I have tried to remove apt-listbugs and after its
>>> removal all package manipulation fails with this message:
>>>
>>> /bin/sh: /usr/sbin/apt-listbugs: not found
>>> E: Sub-process /usr/sbin/apt-listbugs apt || exit 10 returned an error
>>> code (10)
>>> E: Failure running script /usr/sbin/apt-listbugs apt || exit 10
>>
>> This problem should be fixed since apt-listbugs/0.0.77 (see changelog)
>> and I am not able to reproduce it.
>>
>> I've just tried the following in a sid chroot:
>>
>> # aptitude install apt-listbugs
>> [...]
>> # aptitude remove apt-listbugs
>> [...]
>> # ls /etc/apt/apt.conf.d/10apt-listbugs
>> ls: cannot access /etc/apt/apt.conf.d/10apt-listbugs: No such file or
>> directory
>> # ls /etc/apt/apt.conf.d/*listbugs*
>> /etc/apt/apt.conf.d/10apt-listbugs.disabled
>> # aptitude install apt-listbugs
>> [...]
>> # echo $?
>> 0
>
> I think the problem is that aptitude caches these since I've seen
> aptitude fail even after modifying by hand the script.
>
> So the way to reproduce is probably install apt-listbugs and then remove it.
I failed to reproduce this. However, there is a bug: if apt-listbugs is
in the "Config-Files" state and a to-be-installed new version fails to
unpack, you get into the situation you described.
The postrm script should rename the file back to 10apt-listbugs.disabled
when called with the "abort-install" argument to take care of this
possibility, or maybe your patch should be applied, since renaming
conffiles in maintainer scripts looks rather fragile to me.
Cheers,
Sven
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