anchor.diff:    meta = {
       description = "Mail indexer";
       homepage    = "https://notmuchmail.org/";
  -    license     = licenses.gpl3;
  +    license     = licenses.gpl3Plus;
       maintainers = with maintainers; [ flokli puckipedia ];
       platforms   = platforms.unix;
     };
  
positive.code:     inherit version;
    };
  
    src = fetchgit {
      url = "https://git.notmuchmail.org/git/notmuch";
      sha256 = "sha256:06r0hdz8mxnzag74md62a9m6c2zm0fxn45n4n1c26j5cmrys7j16";
      rev = version;
    };
  
    nativeBuildInputs = [
  
negative.code: with lib;
  
  stdenv.mkDerivation rec {
    version = "0.32.2";
    pname = "notmuch";
  
    passthru = {
  