[Nix-dev] A Journey into the Haskell NG infrastructure: Part I

[Daniel Bergey]

Looks like maybe you entered a shell with the dependencies for hspec,
rather than for gitlib-libgit2?  At any rate, this works for me:

  $  hub clone jwiegley/gitlib
  $  cd gitlib/gitlib-libgit2/
  $  nix-shell '<nixpkgs>' -A haskellngPackages.gitlib-libgit2.env
  $  history
  $  ghc --make Setup.hs 
  $  ./Setup configure
  $  ./Setup build

On 2015-02-05 at 20:51, John Wiegley <johnw at newartisans.com> wrote:
>>>>>> Peter Simons <simons at cryp.to> writes:
>
>>  2) For recent Hackage packages, you can do that without using cabal2nix, even,
>>     by running:
>
>>       $ nix-shell '<nixpkgs>' -A haskellngPackages.hspec.env
>
> I think I'm missing some bit of special sauce, because when I run these
> commands, `./Setup configure reports that several of the dependencies are
> missing:
>
> --8<---------------cut here---------------start------------->8---
> ghc784:[johnw at Vulcan:~/src/gitlib/gitlib-libgit2]$
>   nix-shell '<nixpkgs>' -A haskellngPackages.hspec.env
>
> \[\][nix-shell:~/src/gitlib/gitlib-libgit2]$\[\] ./Setup configure
> Configuring gitlib-libgit2-3.1.0.2...
> Setup: At least the following dependencies are missing:
> gitlib >=3.0.0,
> hlibgit2 >=0.18.0.11,
> missing-foreign >=0.1.1,
> monad-control <1.0,
> monad-logger >=0.3.4.1,
> stm-conduit >=2.3.0,
> text-icu >=0.6.3
> --8<---------------cut here---------------end--------------->8---
>
> Also, would it be much work to get the hoogleLocal expression working within
> the NG framework?
>
> John
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