anchor.diff:    nginx = nginxStable;
   
     nginxQuic = callPackage ../servers/http/nginx/quic.nix {
  +    zlib = zlib-ng.override { withZlibCompat = true; };
       withPerl = false;
       # We don't use `with` statement here on purpose!
       # See https://github.com/NixOS/nixpkgs/pull/10474/files#r42369334
  
positive.code:   };
  
    nginxStable = callPackage ../servers/http/nginx/stable.nix {
      withPerl = false;
      # We don't use `with` statement here on purpose!
      # See https://github.com/NixOS/nixpkgs/pull/10474/files#r42369334
  
negative.code:   };
  
    nginxMainline = callPackage ../servers/http/nginx/mainline.nix {
      zlib = zlib-ng.override { withZlibCompat = true; };
      withPerl = false;
      # We don't use `with` statement here on purpose!
      # See https://github.com/NixOS/nixpkgs/pull/10474/files#r42369334
  