Re: cleaning up lib*-dev packages?
Matthias Julius <lists@julius-net.net> writes:
> Goswin von Brederlow <brederlo@informatik.uni-tuebingen.de> writes:
>
>> Matthias Julius <lists@julius-net.net> writes:
>>
>>> I think a more elegant solution would be if aptitude had a command to
>>> install build-depends. It could attach a new flag to a package that
>>> causes aptitude to treat build-depends just like depends of that
>>> package. This way aptitude would mark build-depends as automatically
>>> installed and remove them if they are not needed anymore.
>>>
>>> Matthias
>>
>> That wouldn't work well with dpkg, apt-get, deborphan, debfoster.
>
> True. But, if it works with aptitude that's better than nothing.
>
>>
>> I would also think that aptitude uses /var/lib/dpkg/status for the
>> list of installed packages and the build-depends would not show up
>> there. Aptitude would need its own list of imaginaryinstalled sources
>> to keep track of them.
>
> I think aptitude uses /var/lib/apt/lists/*Packages to determine
> dependencies. How else would it know about them for packages that are
> not installed. It would need to consult *Sources to find out
> build-depends. This should not be too hard.
That is not what I ment. When you select "install build-depends for
foobar" in aptitude it would have to somehwere record "build-depends
for foobar: manual" so it can keep all build-depends on automatic and
not remove them too early.
>> With pseudo packages you can run "dpkg --purge src-foobar" and the
>> next time aptitude runs it would suggest cleaning up.
>>
>> I'm also thinking of actualy populating the source packages with the
>> actual source. "apt-get install src-foo" would then install all the
>> build-depends and put the source files into /usr/src. So if you want
>> to work on a package you could do:
>>
>> apt-get install src-foobar
>> dpkg-source -x /usr/src/foobar*.dsc
>> cd foobar*/
>> sensible-editor
>> debuild
>>
>> But I'm not so sure how usefull that would actualy be.
>
> I don't think you really want to duplicate all source packages. You
> could have a post-install script that actually gets the source.
Hehe. No I wouldn't want to duplicate the source packages. The idea I
have in mind is to trick apt into accepting the actual source
files as debs (via the apt-get wrapper) and have the dpkg-deb wrapper
present them to dpkg in the format of debs. The DEBIAN dir would get
created on the fly and the source file itself wrapped in a tar file.
It is a dirty hack but where else do we get to have some fun?
> Matthias
MfG
Goswin
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