[Haskell-cafe] Re: How does cabal determine version ranges in
duncan.coutts at googlemail.com
Thu Nov 26 13:19:16 EST 2009
On Mon, 2009-11-23 at 19:38 +0100, dave wrote:
> On Mon, 2009-11-23 at 09:50 -0200, Maurício CA wrote:
> > > I recently started porting cabal-install to Freebsd. When
> > > I looked at its dependencies on hackage, I noticed HTTP
> > > (>=4000.0.2 && <4001). However the latest HTTP version on
> > > hackage is 4000.0.8. That struck me as kinda odd. How can cabal
> > > tell that it won't be compatible with HTTP version 4001?
> > If it doesn't break dependencies, it won't be called http 4001,
> > it will be called 4000.0.9 :)
> > Check:
> > http://www.haskell.org/haskellwiki/Package_versioning_policy
> I see. Thanks for the link. I wasn't aware of the versioning policy.
> Just to clarify though, wouldn't the next higher major version by 4000.1
> rather than 4001?
The HTTP package has not been following the PVP, but something rather
similar (which is not written down anywhere). It should really move to
following the PVP.
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