anchor.diff:  
   buildGoPackage rec {
     name = "nomad-${version}";
  -  version = "0.5.3";
  +  version = "0.5.4";
     rev = "v${version}";
   
     goPackagePath = "github.com/hashicorp/nomad";
  
positive.code:     owner = "hashicorp";
      repo = "nomad";
      inherit rev;
      sha256 = "06s4irjz7k5qp895hvwv68xmr6mdq8bv91vhgh6rmx58my8jb68b";
    };
  
    meta = with stdenv.lib; {
  
negative.code:     description = "A Distributed, Highly Available, Datacenter-Aware Scheduler";
      platforms = platforms.linux;
      license = licenses.mpl20;
      maintainers = with maintainers; [ rushmorem pradeepchhetri ];
    };
  }
  