anchor.diff:  { nixpkgs ? <nixpkgs>
   , systems ? [ "i686-linux" "x86_64-linux" ]
  +, dysnomiaJobset ? import ../dysnomia/release.nix { inherit nixpkgs systems; }
   }:
   
   let
  
positive.code:       };
  
      build =
        { tarball ? jobs.tarball {}
        , system ? builtins.currentSystem
        }:
        
        pkgs.lib.genAttrs systems (system:
          let
            dysnomia = builtins.getAttr system ((import ../dysnomia/release.nix { inherit nixpkgs systems; }).build {});
          in
          with import nixpkgs { inherit system; };
  
  
negative.code:     tarball =
        { disnix ? {outPath = ./.; rev = 1234;}
        , officialRelease ? false
        }:
  
        with pkgs;
  
        let
          dysnomiaAttr = dysnomiaJobset.build;
          dysnomiaBuild = if builtins.isFunction dysnomiaAttr then dysnomiaAttr {} else dysnomiaAttr;
          dysnomia = builtins.getAttr (builtins.currentSystem) dysnomiaBuild;
        in
        releaseTools.sourceTarball {
          name = "disnix-tarball";
          version = builtins.readFile ./version;
  