anchor.diff:  
       pgoSupport = false; # console.warn: feeds: "downloadFeed: network connection unavailable"
     };
  -  thunderbird = (buildMozillaMach rec {
  +  thunderbird-102 = (buildMozillaMach rec {
       pname = "thunderbird";
       version = "102.0";
       application = "comm/mail";
  
positive.code:       license = licenses.mpl20;
      };
      updateScript = callPackage ./update.nix {
        attrPath = "thunderbird-unwrapped";
      };
    }).override {
      geolocationSupport = false;
  
negative.code: { stdenv, lib, buildMozillaMach, callPackage, fetchurl, fetchpatch, nixosTests }:
  
  rec {
    thunderbird = thunderbird-102;
    thunderbird-91 = (buildMozillaMach rec {
      pname = "thunderbird";
      version = "91.11.0";
  