anchor.diff:      inherit rev;
       owner = "hashicorp";
       repo = "terraform";
  -    sha256 = "002jg4iwg4g4hkg4hm3szlkyagqzipln3l44b8azh1a7vh1m8cp2";
  +    sha256 = "1mj9kk9awhfv717xf9d8nc35xva8wqhbgls7cbgycg550cc2hf85";
     };
   
     postInstall = ''
  
positive.code: 
  buildGoPackage rec {
    name = "terraform-${version}";
    version = "0.7.2";
    rev = "v${version}";
  
    goPackagePath = "github.com/hashicorp/terraform";
  
negative.code:     description = "Tool for building, changing, and versioning infrastructure";
      homepage = "https://www.terraform.io/";
      license = licenses.mpl20;
      maintainers = with maintainers; [ zimbatm ];
    };
  }
  