[arch-haskell] [habs] Automatic dependency resolution (#154)

[Magnus Therning]

Moving this to the mailing list, because this is turning into a
discussion. :-)

On Thu, Jul 17, 2014 at 02:29:13PM -0700, Profpatsch wrote:
> I see.
> 
> I don’t understand how getting a coherent set of package version is
> possible manually by hand, though. I’d assume that’s exactly the
> kind of things where computers excel. Have you looked at
> [stackage](http://www.stackage.org/)?

It is possible, but it's a lot of work.  Which is exactly why I
started working on `cblrepo` in the first place.  `cblrepo` does check
that dependencies are satisfied, and it reports when they are not.
What it doesn't do though is automatically satisfy the missing
dependencies.  I simply haven't found a need for that.  (Patches are
welcome, though.)

I have looked at stackage.  AFAIU it is basically a place to host a
subset of Hackage (plus the possibility to patch packages).  If I've
understood that correctly it means stackage is of VERY limited use to
us in maintain Arch Haskell.

/M

-- 
Magnus Therning                      OpenPGP: 0xAB4DFBA4 
email: magnus at therning.org   jabber: magnus at therning.org
twitter: magthe               http://therning.org/magnus

Most software today is very much like an Egyptian pyramid with
millions of bricks piled on top of each other, with no structural
integrity, but just done by brute force and thousands of slaves.
     -- Alan Kay
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