update to fix errors(new syntax)

profiles/cachix/default.nix

@@ -8,5 +8,5 @@ let
     (lib.filterAttrs filterCaches (builtins.readDir folder));
 in {
   inherit imports;
-  nix.binaryCaches = [ "https://cache.nixos.org/" ];
+  nix.settings.substituters = [ "https://cache.nixos.org/" ];
 }

profiles/cachix/nix-community.nix

@@ -1,7 +1,7 @@
 {
-  nix = {
-    binaryCaches = [ "https://nix-community.cachix.org" ];
-    binaryCachePublicKeys = [
+  nix.settings = {
+    substituters = [ "https://nix-community.cachix.org" ];
+    trusted-public-keys = [
       "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
     ];
   };

profiles/cachix/nixpkgs-wayland.nix

@@ -1,7 +1,7 @@
 {
-  nix = {
-    binaryCaches = [ "https://nixpkgs-wayland.cachix.org" ];
-    binaryCachePublicKeys = [
+  nix.settings = {
+    substituters = [ "https://nixpkgs-wayland.cachix.org" ];
+    trusted-public-keys = [
       "nixpkgs-wayland.cachix.org-1:3lwxaILxMRkVhehr5StQprHdEo4IrE8sRho9R9HOLYA="
     ];
   };

profiles/cachix/nrdxp.nix

@@ -1,7 +1,7 @@
 {
-  nix = {
-    binaryCaches = [ "https://nrdxp.cachix.org" ];
-    binaryCachePublicKeys =
+  nix.settings = {
+    substituters = [ "https://nrdxp.cachix.org" ];
+    trusted-public-keys =
       [ "nrdxp.cachix.org-1:Fc5PSqY2Jm1TrWfm88l6cvGWwz3s93c6IOifQWnhNW4=" ];
   };
 }

profiles/cachix/statix.nix

@@ -1,7 +1,7 @@
 {
-  nix = {
-    binaryCaches = [ "https://statix.cachix.org" ];
-    binaryCachePublicKeys =
+  nix.settings = {
+    substituters = [ "https://statix.cachix.org" ];
+    trusted-public-keys =
       [ "statix.cachix.org-1:Z9E/g1YjCjU117QOOt07OjhljCoRZddiAm4VVESvais=" ];
   };
 }

profiles/core/default.nix

@@ -3,8 +3,6 @@ let inherit (lib) fileContents;
 in {
   imports = [ ../cachix ];
 
-  nix.systemFeatures = [ "nixos-test" "benchmark" "big-parallel" "kvm" ];
-
   environment = {
 
     systemPackages = with pkgs; [
@@ -99,19 +97,24 @@ in {
   };
 
   nix = {
+    settings = {
 
-    autoOptimiseStore = true;
+    sandbox = true;
+
+    allowed-users = [ "@wheel" ];
+
+    trusted-users = [ "root" "@wheel" ];
+
+    auto-optimise-store = true;
+
+    system-feature = [ "nixos-test" "benchmark" "big-parallel" "kvm" ];
+
+    };
 
     gc.automatic = true;
 
     optimise.automatic = true;
 
-    useSandbox = true;
-
-    allowedUsers = [ "@wheel" ];
-
-    trustedUsers = [ "root" "@wheel" ];
-
     extraOptions = ''
       min-free = 536870912
       keep-outputs = true