anchor.diff: -{ lib, stdenv
  +{ lib
  +, stdenv
   , fetchFromGitHub
   , glib
   , gtk3
  
positive.code: }:
  
  stdenv.mkDerivation rec {
    version = "1.3.2";
    pname = "cawbird";
  
    src = fetchFromGitHub {
      owner = "IBBoard";
      repo = "cawbird";
      rev = "v${version}";
      sha256 = "1baw3h5wq2ib4bnphazq7n9c9wc94g0n6v4y5kg71n1dir0c3jkh";
    };
  
    nativeBuildInputs = [
  
negative.code:     patchShebangs data/meson_post_install.py
    '';
  
    # supply Twitter API keys
    # use default keys supplied by upstream, see https://github.com/IBBoard/cawbird/blob/master/README.md#preparation
    mesonFlags = [
      "-Dconsumer_key_base64=VmY5dG9yRFcyWk93MzJEZmhVdEk5Y3NMOA=="
      "-Dconsumer_secret_base64=MThCRXIxbWRESDQ2Y0podzVtVU13SGUyVGlCRXhPb3BFRHhGYlB6ZkpybG5GdXZaSjI="
    ];
  
    meta = with lib; {
      description = "Native GTK Twitter client for the Linux desktop";
      longDescription = "Cawbird is a modern, easy and fun Twitter client. Fork of the discontinued Corebird.";
      homepage = "https://ibboard.co.uk/cawbird/";
      license = licenses.gpl3Plus;
      platforms = platforms.linux;
      maintainers = with lib.maintainers; [ jonafato schmittlauch ];
    };
  