anchor.diff:  { nixpkgs ? /etc/nixos/nixpkgs
   , nixos ? /etc/nixos/nixos
  -, system ? builtins.currentSystem
   }:
   
   let
  -  pkgs = import nixpkgs { inherit system; };
     
  -  disnixos = import "${pkgs.disnixos}/share/disnixos/testing.nix" {
  -    inherit nixpkgs nixos system;
  -  };
  -
     jobs = rec {
       tarball =
         { php_mysql ? {outPath = ./.; rev = 1234;}
         , officialRelease ? false}:
       
  +      let
  +        pkgs = import nixpkgs {};
  +  
  +        disnixos = import "${pkgs.disnixos}/share/disnixos/testing.nix" {
  +          inherit nixpkgs nixos;
  +        };
  +      in
         disnixos.sourceTarball {
           name = "php-mysql";
   	version = builtins.readFile ./version;
  
positive.code:             
      tests = 
  
        disnixos.disnixTest {
          name = "php-mysql";        
          tarball = tarball {};
          manifest = build {};
  	networkFile = "deployment/DistributedDeployment/network.nix";
  	testScript =
  	  ''
  
negative.code:       };
        
      build =
        { tarball ? jobs.tarball {}
        , system ? "x86_64-linux"
        }:
        
        let
          pkgs = import nixpkgs { inherit system; };
    
          disnixos = import "${pkgs.disnixos}/share/disnixos/testing.nix" {
            inherit nixpkgs nixos system;
          };
        in
        disnixos.buildManifest {
          name = "php-mysql";
  	version = builtins.readFile ./version;
  