anchor.diff:  { lib
   , fetchFromGitLab
  -, fetchpatch
   , meson
   , ninja
   , python3
  
positive.code:     owner = "GNOME";
      repo = pname;
      rev = version;
      sha256 = "Y1IdCH6bytxbKIj48IAw/3XUQhoqwPshvdj/d1hRS3o=";
    };
  
    patches = [
      # Fix building docs of some packages (e.g. gnome-builder)
      # https://gitlab.gnome.org/GNOME/gi-docgen/-/issues/111
      (fetchpatch {
        url = "https://gitlab.gnome.org/GNOME/gi-docgen/-/commit/72f3c5dbe27aabb5f7a376afda23f3dfc3c2e212.patch";
        sha256 = "iVXc3idmcjmFVZQdE2QX2V53YZ79lqxZid9nWdxAZ/Q=";
      })
    ];
  
    depsBuildBuild = [
      python3
  
negative.code: 
  python3.pkgs.buildPythonApplication rec {
    pname = "gi-docgen";
    version = "2022.1";
  
    format = "other";
  
  