anchor.diff:    zsnes = { type = "job"; systems = ["x86_64-linux"]; schedulingPriority = 4; };
     zynaddsubfx = { type = "job"; systems = ["x86_64-linux"]; schedulingPriority = 4; };
     zziplib = { type = "job"; systems = ["x86_64-linux"]; schedulingPriority = 4; };
  -})
  +});
  +
  +in jobs
  
positive.code: /*
    This file will be evaluated by hydra with a call like this:
    hydra_eval_jobs --gc-roots-dir \
      /nix/var/nix/gcroots/per-user/hydra/hydra-roots --argstr \
      system i686-linux --argstr system x86_64-linux --arg \
      nixpkgs "{outPath = ./}" .... release.nix
  
    Hydra can be installed with "nix-env -i hydra".
  */
  with (import ./release-lib.nix);
  
  let
    jobsForDerivations = attrset: pkgs.lib.attrsets.listToAttrs
  
negative.code:           (n: v: (v.type or null) == "derivation")
            attrset)));
  
  
    jobs =
      {
  
     # } // (mapTestOn ((packagesWithMetaPlatform pkgs) // rec {
  
      } // (mapTestOn rec {
  
    a2jmidid = { type = "job"; systems = ["x86_64-linux"]; schedulingPriority = 4; };
    aacskeys = { type = "job"; systems = ["x86_64-linux"]; schedulingPriority = 4; };
  