anchor.diff:    buildInputs = [
       evolution-data-server
       feedbackd
  +    glibmm
  +    gspell
       gtk3
       json-glib
       libgcrypt
       libhandy
       libphonenumber
  +    modemmanager
       olm
       pidgin
       protobuf
  
positive.code: , wrapGAppsHook
  , evolution-data-server
  , feedbackd
  , gtk3
  , json-glib
  , libgcrypt
  , libhandy
  , libphonenumber
  , olm
  , pidgin
  , protobuf
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "chatty";
    version = "0.4.0";
  
    src = fetchFromGitLab {
      domain = "source.puri.sm";
      owner = "Librem5";
      repo = "chatty";
      rev = "v${version}";
      sha256 = "12k1a5xrwd6zk4x0m53hbzggk695z3bpbzy1wcikzy0jvch7h13d";
    };
  
    postPatch = ''
  