On 6-jul-2007, at 18:08, Duncan Coutts wrote:
On Fri, 2007-07-06 at 16:47 +0200, apfelmus wrote:
Hello,
http://nix.cs.uu.nl/index.html
"Nix is a purely functional package manager. This means that it
treats
packages like values in purely functional programming languages
such as
Haskell - they are built by functions that don't have side-
effects, and
they never change after they have been built."
To me, it sounds like the ideal solution to package/make/build
management in general and Cabal/Hackage/Cabal-install in particular.
After all, compilation is just a _pure_ function
compile :: Source -> Dependencies -> Object
So, the suggestion is to use Nix for Hackage/Cabal. This way, we get
package installation/deinstallation for free. I didn't look into
it, but
it seems that the package description language can express most
content
from .cabal files and I guess that it even eliminates the need for
most
of Cabal's functionality like finding compilers and such.
I was under the impression that it didn't work on Windows. From
another
quick look at the website, it looks like that's right. Does anybody
happen to know otherwise?
It does in fact work under Windows. However, it currently depends on
cygwin for most of its building infrastructure. This is not fundamental
to the system, fortunately. There is just too little manpower behind it
to lift it from its Linuxy start...
Oh, and Daan Leijen seems to have written something about the same
subject for some reason or another.
With regards, Arthur van Leeuwen. (Who has forwarded the initial mail
to Eelco Dolstra, designer of Nix, to see if he wants to chime in)
--
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