flake: nixpkgs port patches

flake.lock

@@ -1000,11 +1000,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1746663147,
-        "narHash": "sha256-Ua0drDHawlzNqJnclTJGf87dBmaO/tn7iZ+TCkTRpRc=",
+        "lastModified": 1746926443,
+        "narHash": "sha256-82Iu+T9xlnbsVcKbu17rVazetM6JzYTaVg/JYuPPpo0=",
         "owner": "CHN-beta",
         "repo": "nixpkgs",
-        "rev": "dda3dcd3fe03e991015e9a74b22d35950f264a54",
+        "rev": "fa20c1d562a01a115ebc06b95405bea1d7291ef9",
         "type": "github"
       },
       "original": {

modules/system/nixpkgs/buildNixpkgsConfig.nix

@@ -29,7 +29,6 @@ in platformConfig //
     oneapiArch = let match = {}; in match.${nixpkgs.march} or nixpkgs.march;
     nvhpcArch = nixpkgs.march;
     # contentAddressedByDefault = true;
-    enableCcache = true;
   })
   // (inputs.lib.optionalAttrs (nixpkgs.nixRoot != null)
     { nix = { storeDir = "${nixpkgs.nixRoot}/store"; stateDir = "${nixpkgs.nixRoot}/var"; }; });

modules/system/nixpkgs/default.nix

@@ -16,8 +16,6 @@ inputs:
   config = let inherit (inputs.config.nixos.system) nixpkgs; in
   {
     nixpkgs = import ./buildNixpkgsConfig.nix { inherit inputs; nixpkgs = nixpkgs // { nixRoot = null; }; };
-    programs.ccache = { enable = true; cacheDir = "/var/lib/ccache"; };
-    nix.settings.extra-sandbox-paths = [ inputs.config.programs.ccache.cacheDir ];
     boot.kernelPatches = inputs.lib.mkIf (nixpkgs.march != null)
     [{
       name = "native kernel";