anchor.diff:      name = "nixos-${nixos.tarball.version}";
       meta = {
         description = "Release-critical builds for the NixOS unstable channel";
  -      maintainers = [ pkgs.lib.maintainers.shlevy ];
  +      maintainers = [ pkgs.lib.maintainers.eelco pkgs.lib.maintainers.shlevy ];
       };
       constituents =
  +      let all = x: [ x.x86_64-linux x.i686-linux ]; in
         [ nixos.channel
           nixos.manual
   
  -        nixos.iso_minimal.x86_64-linux
  -        nixos.iso_minimal.i686-linux
  -        nixos.iso_graphical.x86_64-linux
  -        nixos.iso_graphical.i686-linux
  +        (all nixos.iso_minimal)
  +        (all nixos.iso_graphical)
  +        nixos.vdi.x86_64-linux
   
  -        nixos.tests.firefox.x86_64-linux
  -        nixos.tests.firewall.x86_64-linux
  -        nixos.tests.installer.lvm.x86_64-linux
  -        nixos.tests.installer.separateBoot.x86_64-linux
  -        nixos.tests.installer.simple.i686-linux
  -        nixos.tests.installer.simple.x86_64-linux
  -        nixos.tests.kde4.i686-linux
  -        nixos.tests.login.i686-linux
  -        nixos.tests.login.x86_64-linux
  -        nixos.tests.misc.i686-linux
  -        nixos.tests.misc.x86_64-linux
  +        (all nixos.tests.firefox)
  +        (all nixos.tests.firewall)
  +        (all nixos.tests.installer.lvm)
  +        (all nixos.tests.installer.separateBoot)
  +        (all nixos.tests.installer.simple)
  +        (all nixos.tests.kde4)
  +        (all nixos.tests.login)
  +        (all nixos.tests.misc)
  +        (all nixos.tests.openssh)
  +        (all nixos.tests.xfce)
   
           nixpkgs.tarball
  -        nixpkgs.emacs.i686-linux
  -        nixpkgs.emacs.x86_64-linux
  +        (all nixpkgs.emacs)
         ];
     };
   
  
positive.code:       then set // { meta = builtins.removeAttrs (set.meta or {}) [ "maintainers" ]; }
        else pkgs.lib.mapAttrs (n: v: removeMaintainers v) set
      else set;
  in rec {
    nixos = removeMaintainers (import ./release.nix {
      inherit nixosSrc officialRelease;
  
negative.code: }:
  
  let
  
    nixpkgs' = nixpkgs; # urgh
  
    pkgs = import <nixpkgs> {};
  