[Haskell-cafe] Re: cabal upgrade

[Achim Schneider]

"Svein Ove Aas" <svein.ove at aas.no> wrote:

> On Wed, Oct 1, 2008 at 7:54 PM, Duncan Coutts
> > Because we actually consult the index of available packages more
> > often than you think. Every time you cabal install in a local
> > directory we make sure all the required packages are available and
> > consistent. If we had to go to the network every time you would not
> > be happy.
> >
> > There should be a solution here that lets us update more
> > automatically while still allowing people to do offline operations.
> > I'm not sure what that solution is yet though.
> >
> The solution seems obvious to me, actually:
> 
> Check the timestamp of the package file at every access. If it's older
> than some configurable value, and you have network access, start
> updating it.
>
Additionally, you could use rsync instead of a tbz download to speed
things up. Gentoo does this right.

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