anchor.diff:      "--sysconfdir=${placeholder "out"}/etc"
     ];
   
  -  patches = [
  -    (substituteAll {
  -      src = ./fix-paths.patch;
  -      bc = "${bc}/bin/bc";
  -    })
  -  ];
  -
     postPatch = ''
       chmod +x meson/post_install.py
       patchShebangs meson/post_install.py
     '';
  +
  +  passthru = {
  +    updateScript = nix-update-script {
  +      attrPath = "pantheon.${pname}";
  +    };
  +  };
   
     meta = with lib; {
       description = "Lightweight and stylish app launcher for Pantheon";
  
positive.code:     owner = "elementary";
      repo = repoName;
      rev = version;
      sha256 = "0mwjw2ghbdj336ax5srxbqnjprdhj1if7sm9k9idqkmifpzccs7i";
    };
  
    passthru = {
      updateScript = nix-update-script {
        attrPath = "pantheon.${pname}";
      };
    };
  
    nativeBuildInputs = [
      gettext
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "wingpanel-applications-menu";
    version = "2.9.1";
  
    repoName = "applications-menu";
  
  