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question related to #953223

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  question related to #953223 Patrice Duroux <patrice.duroux@gmail.com> - 2020-03-07 11:30 +0100
    Re: question related to #953223 <tomas@tuxteam.de> - 2020-03-07 11:40 +0100
      Re: question related to #953223 Gene Heskett <gheskett@shentel.net> - 2020-03-07 12:00 +0100
      Re: Re: question related to #953223 Patrice Duroux <duroux.patrice@orange.fr> - 2020-03-07 12:30 +0100
        Re: Re: question related to #953223 <tomas@tuxteam.de> - 2020-03-07 15:40 +0100
      Re: question related to #953223 Dan Purgert <dan@djph.net> - 2020-03-07 13:20 +0100
        Re: question related to #953223 Curt <curty@free.fr> - 2020-03-07 14:20 +0100
          Re: question related to #953223 Dan Purgert <dan@djph.net> - 2020-03-08 01:20 +0100
    Re: question related to #953223 Andrei POPESCU <andreimpopescu@gmail.com> - 2020-03-07 19:00 +0100
      Re: Re: question related to #953223 Patrice Duroux <duroux.patrice@orange.fr> - 2020-03-07 20:20 +0100
        Re: question related to #953223 Andrei POPESCU <andreimpopescu@gmail.com> - 2020-03-08 10:00 +0100

#219931 — question related to #953223

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Hi,

I am facing the same situation as reported in the issue here:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=953223

So having no more /etc/fuse.conf on my system, what is the best to get it
back?
Why doing 'apt --reinstall install fuse3' do not restore this file?
Neither notify anything about it?
Finally I have forced a purge (because of the dependencies) and so install
it from fresh.

Thanks,
Patrice

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#219932

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On Sat, Mar 07, 2020 at 11:09:26AM +0100, Patrice Duroux wrote:
> Hi,
> 
> I am facing the same situation as reported in the issue here:
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=953223

I must admit I don't quite understand the bug report itself: isn't
"purge" supposed to remove the conffiles?

I was under the (perhaps wrong?) impression that "remove" leaves the
conffiles alone and "purge" removes them.

Cheers
-- t

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#219933

On Saturday 07 March 2020 05:37:37 tomas@tuxteam.de wrote:

> On Sat, Mar 07, 2020 at 11:09:26AM +0100, Patrice Duroux wrote:
> > Hi,
> >
> > I am facing the same situation as reported in the issue here:
> > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=953223
>
> I must admit I don't quite understand the bug report itself: isn't
> "purge" supposed to remove the conffiles?
>
> I was under the (perhaps wrong?) impression that "remove" leaves the
> conffiles alone and "purge" removes them.
>
> Cheers
> -- t
We share that assumption Tomas.  Are we wrong?

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
If we desire respect for the law, we must first make the law respectable.
 - Louis D. Brandeis
Genes Web page <http://geneslinuxbox.net:6309/gene>

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#219935

Yes exactly you can consider different «problems» there:

1. How to correctly package different source packages that have to share
conffiles? So even purging one of them should leave the conffiles for the other
installed ones.

Laurent is suggesting to not do any explicit 'rm' of any conffiles in .postrm
dpkg is doing the job.

(if I understand well)

And both fuse and fuse3 proceed the same:
https://sources.debian.org/src/fuse3/3.9.0-1/debian/fuse3.postrm/
https://sources.debian.org/src/fuse/2.9.9-2/debian/fuse.postrm/

2. How do get back such conffiles once it have been remove like this?

Doing a reinstall is not enough and neither alert anything.

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#219945

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On Sat, Mar 07, 2020 at 12:04:54PM +0100, Patrice Duroux wrote:
> 
> Yes exactly you can consider different «problems» there:
> 
> 1. How to correctly package different source packages that have to share
> conffiles? So even purging one of them should leave the conffiles for the other
> installed ones.
> 
> Laurent is suggesting to not do any explicit 'rm' of any conffiles in .postrm
> dpkg is doing the job.

Ah... got it. It's *two* packages sharing a conffile. Now I understand,
thanks.

Cheers
-- t

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#219939

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On Mar 07, 2020, tomas@tuxteam.de wrote:
> On Sat, Mar 07, 2020 at 11:09:26AM +0100, Patrice Duroux wrote:
>> Hi,
>> 
>> I am facing the same situation as reported in the issue here:
>> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=953223
> 
> I must admit I don't quite understand the bug report itself: isn't
> "purge" supposed to remove the conffiles?
> 
> I was under the (perhaps wrong?) impression that "remove" leaves the
> conffiles alone and "purge" removes them.

Your understanding is correct, at least according to the manual:

       remove
           remove is identical to install except that packages are
           removed instead of installed. Note that removing a package
           leaves its configuration files on the system. 

       purge
           purge is identical to remove except that packages are removed
           and purged (any configuration files are deleted too).


-- 
|_|O|_| 
|_|_|O| Github: https://github.com/dpurgert
|O|O|O| PGP: 05CA 9A50 3F2E 1335 4DC5  4AEE 8E11 DDF3 1279 A281

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#219941

On 2020-03-07, Dan Purgert <dan@djph.net> wrote:
>
>> I was under the (perhaps wrong?) impression that "remove" leaves the
>> conffiles alone and "purge" removes them.
>
> Your understanding is correct, at least according to the manual:
>
>        remove
>            remove is identical to install except that packages are
>            removed instead of installed. Note that removing a package
>            leaves its configuration files on the system.
>
>        purge
>            purge is identical to remove except that packages are removed
>            and purged (any configuration files are deleted too).
>

 If a package that is in state Config Files has to be purged, the cycle
 is really simple: the conffiles are deleted and *then* (emphasis mine)
 postrm purge is called.

https://wiki.debian.org/MaintainerScripts

The policy violation and bug #953223 consists of the postrm script
purging the conffiles, whereas that task falls within dpkg's domain. How
exactly Monsieur Bigonville arrived at this discovery I can't quite
grasp (if I'm not misunderstanding the whole thing and making a fool out
of myself again).

Maybe the bug reporter had both fuse and fuse3 installed simultaneously,
at which point he purged one or the other. Both packages provide an
/etc/fuse.conf file.





-- 
Nous fîmes l'amour longtemps, à la façon des craquements qui se produisent dans
les meubles. Nous fîmes l'amour comme le soleil bat, comme les cercueils
ferment, comme le silence appelle, comme la nuit brille. Et dans nos yeux qui n'étaient 
jamais ouverts en même temps ne se débattaient rien que nos sorts les plus purs. --André Breton

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#219958

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On Mar 07, 2020, Curt wrote:
> [...]
> Maybe the bug reporter had both fuse and fuse3 installed simultaneously,
> at which point he purged one or the other. Both packages provide an
> /etc/fuse.conf file.

Ah, two packages sharing the same config file is the bit that escaped
me.  Thanks for pointing that out.

-- 
|_|O|_| 
|_|_|O| Github: https://github.com/dpurgert
|O|O|O| PGP: 05CA 9A50 3F2E 1335 4DC5  4AEE 8E11 DDF3 1279 A281

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#219948

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On Sb, 07 mar 20, 11:09:26, Patrice Duroux wrote:
> Hi,
> 
> I am facing the same situation as reported in the issue here:
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=953223
> 
> So having no more /etc/fuse.conf on my system, what is the best to get it
> back?
> Why doing 'apt --reinstall install fuse3' do not restore this file?
> Neither notify anything about it?

Deleting a configuration file is considered to be a choice of the 
administrator and will be preserved.

> Finally I have forced a purge (because of the dependencies) and so install
> it from fresh.

Purge and reinstall should do it.

Another option is 'dpkg -i --force-confask <package>', which will ask 
whether you want to "install the package maintainer's version" of the 
file, which will install the conffile from the package.

Kind regards,
Andrei
-- 
http://wiki.debian.org/FAQsFromDebianUser

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#219949

 
> Deleting a configuration file is considered to be a choice of the 
> administrator and will be preserved.

Not always! ;-) Moreover if this remove have been done by a maintainer script
without paying too much attention about any «brother» packages. Note that this
was consider as a bug also by the maintainer and it was closed since then.

Also I try to use tool like 'adequate' do detect such a case on my system but it
is not in its scope. Is there a easy way/tool for that? with dpkg itself? 

What I was trying to suggest with my first post to the list is that may be
reinstalling a package (with some removed conffiles) will notifying it in the
output whatever the result: keeping it removed, providing a conffile.dpkg-new,
...

Thanks,
Patrice

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#219964

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On Sb, 07 mar 20, 20:03:45, Patrice Duroux wrote:
>  
> > Deleting a configuration file is considered to be a choice of the 
> > administrator and will be preserved.
> 
> Not always! ;-) 

Correction: conffile. Not all configuration files are conffiles ;)

Kind regards,
Andrei
-- 
http://wiki.debian.org/FAQsFromDebianUser

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