anchor.diff:  in
   rustPlatform.buildRustPackage rec {
     pname = "alacritty";
  -  version = "0.9.0";
  +  version = "0.10.0";
   
     src = fetchFromGitHub {
       owner = "alacritty";
       repo = pname;
       rev = "v${version}";
  -    sha256 = "sha256-kgZEbOGmO+uRKaWR+oQBiGkBzDSuCznUyWNUoMICHhk=";
  +    sha256 = "sha256-eVPy47T2wcsN7NxtwMoyuC6loBVXsoJjJ/2q31i3vxQ=";
     };
   
  -  cargoSha256 = "sha256-JqnYMDkagWNGliUxi5eqJN92ULsvT7Fwmah8um1xaRw=";
  +  cargoSha256 = "sha256-RY+qidm7NZFKq6P8qVaMpxYfTfHpZac2YJwuNbOJwoM=";
   
     nativeBuildInputs = [
       cmake
  
positive.code: 
      install -dm 755 "$out/share/man/man1"
      gzip -c extra/alacritty.man > "$out/share/man/man1/alacritty.1.gz"
  
      install -Dm 644 alacritty.yml $out/share/doc/alacritty.yml
  
  
negative.code:   ];
  
    outputs = [ "out" "terminfo" ];
  
    postPatch = ''
      substituteInPlace alacritty/src/config/ui_config.rs \
  