[Nix-dev] Project environment setup

[Ryan Eckbo]

For example, the shell.nix I wrote below doesn't make a gradle
available with openjdk8, and also takes 2m20s to load (!) when
I run `nix-shell`:

# shell.nix
# nix-shell prints 'warning: dumping very large path (> 256 MiB); this 
may run out of memory'
{ pkgs ? import <nixpkgs> {} }:

let
   mygradle = pkgs.lib.overrideDerivation pkgs.gradle25 (oldAttrs: {
         jdk = pkgs.openjdk8;
         });
in
pkgs.stdenv.mkDerivation {
     name = "myproject";
     src = ./.;
     buildInputs = [ mygradle ];
}



On 19 Jul 2016, at 10:53, Ryan Eckbo wrote:

> I've been reading the docs and blog posts but I'm still unsure on the 
> proper
> way to configure a local shell.nix with my required modified packages.
> Specifically, I need gradle built with jdk 8, something like
>
>    pkgs.gradle25.override { jdk = pkgs.openjdk8; }
>
> and I also have some local nix expressions. But I only want this for 
> one project (so no
> setting of .nixpkgs/config.nix).  Can someone point me in the right 
> direction?
>
> Thanks!
> Ryan
>
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