[Pkg-haskell-maintainers] Bug#553322: Bug#553322: Bug#553322: Should cabal-install Recommend: ghc6?

Iain Lane laney at ubuntu.com
Mon Jan 4 00:25:06 UTC 2010


Hiya,

On Sun, Jan 03, 2010 at 10:06:11PM -0200, Marco Túlio Gontijo e Silva wrote:
>Hi Iain.
> [...]
>Quoting policy:
>> Depends
>
>> (...)
>> The Depends field should be used if the depended-on package is
>> required for the depending package to provide a significant amount of
>> functionality.
>
>My point is: is there even an unusual case in that it could be useful to
>have cabal-install installed and not ghc6?

Maybe to use a locally installed ghc in /opt or similar. I don't know...

>
>By the way, this quote made me remind of the discussion about -doc
>packages relationship.  I can think of unusual cases in which one would
>want to install a -doc package with broken links, to avoid having to
>install all the -doc stack, for instance, when a user wants just to
>check the doc of a specific package and remove the package some minutes
>latter.  So, reading this quote, I think Recommends is the way to go for
>-doc packages.

Given that recommends are installed by default, a user would have to 
specifically request (or accept an aptitude suggestion in the case of 
conflicts) this situation. This gives a decent OOTB experience while 
still affording flexibility to power users. I don't even remember if I 
commented on that discussion, but Recommends seems correct to me, for 
both -doc and cabal-install.

Iain
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