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Mailing List Message of <rpm-users>

Re: Is there spec file syntax to make (rpm -e) ignore errors and continue uninstall?

From: Joe Flowers <joe.flowers@nofreewill.com>
Date: Thu 11 Nov 2010 - 18:11:02 CET
Message-ID: <4CDC23A6.6020209@nofreewill.com>
Thanks again Jeff.

That's great info!

Best wishes!

Joe
---------


On 11/11/2010 12:07 PM, Jeff Johnson wrote:
>
> On Nov 11, 2010, at 11:47 AM, Joe Flowers wrote:
>
>> Hello Everyone,
>>
>> I have created a spec file and an RPM file from it but I bungled a command which uncovered an interesting problem.
>>
>>
>> In the %preun section of the spec file, I mistakenly put
>>
>> /etc/ini.d/mydaemon/stop
>>
>> instead of
>>
>> /etc/ini.d/mydaemon stop
>>
>>
>> When I went to uninstall the RPM, like
>>
>> rpm -e mydaemon-1.00-1
>>
>> It failed on the bad (/etc/ini.d/mydaemon/stop) line and would not complete the uninstall.
>>
>> So, I'm wondering if there is something that I can add to the bad
>> /etc/ini.d/mydaemon/stop line in my spec file that will allow "rpm -e ..." to complete the uninstall.
>>
>
> There's no automated insturmented solution in *.rpm that Just Works in
> spite of packaging flaws ... there are engineering flaws with
> permitting random packages to start turning what RPM does on and off,
> consider malware e.g.
>
> But there is a manual disabler, in this case --nopreun, that
> can be added to the command line (or set by depsolvers if/when
> they ever choose to deal with the "real world" of packaging flaws),
> that will skip running a buggy scriptlet when erasing.
>
> The better fix is to test your packages more carefully ...
> ... but you are older&  wiser now ;-)
>
>>
>> Analogously, I know that you can add a "-" in front of commands in a Makefile so that make will not fatally exit. I'm looking for the same functionality in the spec file.
>>
>
> The analogue in scriptlet's of the '-' in Makefiles is
>
> 	some command || :
>
> which ignores the exit code of a command that might fail.
>
> hth
>
> 73 de Jeff
>
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Received on Thu Nov 11 18:11:17 2010
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