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Re: register packages via triggers

On Sun, Apr 05, 2009 at 01:48:04PM +0300, Kari Pahula wrote:
> On Fri, Apr 03, 2009 at 07:55:02PM +0200, Joachim Breitner wrote:
> > I???d like to seize a suggestion from kaol and bring it up for discussion.
> > He mentioned, on IRC I think, that it might be feasible to register
> > haskell packages not by maintainer scripts, but by putting the package
> > description in a well-known directory and let ghc6 build the package
> > data base from that directory, via triggers. This approach has been
> > introduced for doc packages with 6.10.1 and has worked well, it seems.
> > The advantage would be less maintainer scripts (thus reduced
> > complexity). 
> > 
> > Kaol, do you still think this is a worthwhile change? Do you already
> > have any plans about that?
> Yes.  Registering and unregistering cabal packages is so simple that I
> see little need for carrying around that logic in every package.
> Things would get easier if we didn't even try to preserve local
> changes to the global package registry.  I'm leaning towards doing
> that, since it's easy to use multiple local packages.conf files,
> instead.

Would this mean that the local root user wouldn't be able to install
packages from Hackage?

If so, that is a very bad result.

-- John

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