Add nixpkgs-2411 and update other nixpkgs pins

Author: hamishmack

ci.nix

@@ -23,6 +23,7 @@
     "R2305" = inputs.nixpkgs-2305;
     "R2311" = inputs.nixpkgs-2311;
     "R2405" = inputs.nixpkgs-2405;
+    "R2411" = inputs.nixpkgs-2411;
     "unstable" = inputs.nixpkgs-unstable;
   };
 
@@ -61,7 +62,7 @@
       # cabal-install and nix-tools plans.  When removing a ghc version
       # from here (so that is no longer cached) also remove ./materialized/ghcXXX.
       # Update supported-ghc-versions.md to reflect any changes made here.
-      nixpkgs.lib.optionalAttrs (nixpkgsName == "R2405") {
+      nixpkgs.lib.optionalAttrs (nixpkgsName == "R2411") {
         ghc96 = false;
         ghc98 = false;
       } // nixpkgs.lib.optionalAttrs (nixpkgsName == "unstable") {

default.nix

@@ -94,6 +94,9 @@ self // {
   pkgs-2405 = import self.inputs.nixpkgs-2405 (nixpkgsArgs // {
     localSystem = { inherit system; };
   });
+  pkgs-2411 = import self.inputs.nixpkgs-2411 (nixpkgsArgs // {
+    localSystem = { inherit system; };
+  });
   pkgs-unstable = import self.inputs.nixpkgs-unstable (nixpkgsArgs // {
     localSystem = { inherit system; };
   });

flake.lock

@@ -11,6 +11,7 @@
     nixpkgs-2305 = { url = "github:NixOS/nixpkgs/nixpkgs-23.05-darwin"; };
     nixpkgs-2311 = { url = "github:NixOS/nixpkgs/nixpkgs-23.11-darwin"; };
     nixpkgs-2405 = { url = "github:NixOS/nixpkgs/nixpkgs-24.05-darwin"; };
+    nixpkgs-2411 = { url = "github:NixOS/nixpkgs/nixpkgs-24.11-darwin"; };
     nixpkgs-unstable = { url = "github:NixOS/nixpkgs/nixpkgs-unstable"; };
     flake-compat = { url = "github:input-output-hk/flake-compat/hkm/gitlab-fix"; flake = false; };
     "hls-1.10" = { url = "github:haskell/haskell-language-server/1.10.0.0"; flake = false; };
@@ -83,7 +84,7 @@
     let
       callFlake = import flake-compat;
 
-      ifdLevel = 3;
+      ifdLevel = 0;
       runningHydraEvalTest = false;
       defaultCompiler = "ghc928";
       config = import ./config.nix;