anchor.diff:  
   rustPlatform.buildRustPackage rec {
     pname = "bat";
  -  version = "0.18.1";
  +  version = "0.18.2";
   
     src = fetchFromGitHub {
       owner = "sharkdp";
       repo = pname;
       rev = "v${version}";
  -    sha256 = "sha256-kyl+clL/4uxVaDH/9zPDGQTir4/JVgtHo9kNQ31gXTo=";
  +    sha256 = "sha256-Y8CmVOIDPQ9kpggOlKnxLV0oOyNRow0r/nvxNpCtYNU=";
     };
  -
  -  cargoSha256 = "sha256-j9HbOXiwN4CWv9wMBrNxY3jehh+KRkXlwmDqChNy1Dk=";
  +  cargoSha256 = "sha256-MdfBldImyW8QV0P3zPrYT2Vi9zChvXePI2T8tRsrlcQ=";
   
     nativeBuildInputs = [ pkg-config installShellFiles makeWrapper ];
   
  
positive.code: 
    postInstall = ''
      installManPage $releaseDir/build/bat-*/out/assets/manual/bat.1
      installShellCompletion $releaseDir/build/bat-*/out/assets/completions/bat.{fish,zsh}
    '';
  
    # Insert Nix-built `less` into PATH because the system-provided one may be too old to behave as
  
negative.code: { lib
  , stdenv
  , nixosTests
  , rustPlatform
  , fetchFromGitHub
  