git-machete: 3.27.0 -> 3.28.0

buildPythonApplication rec {

  pname = "git-machete";

  version = "3.27.0";

  version = "3.28.0";

  src = fetchFromGitHub {

    owner = "virtuslab";

    repo = pname;

    rev = "v${version}";

    hash = "sha256-37SZhuMrGjRQOzjnAegL6babhcIjAwh9wtAb7RB09dM=";

    hash = "sha256-INGJYUq5sW6er27kBjtz6BOWhnEtdnRuZgLnfEpO1uE=";

  };

  nativeBuildInputs = [ installShellFiles ];