Changes to the flake, thanks Jules

flake.nix

@@ -33,13 +33,8 @@
     lanzaboote,
     home-manager,
     ...
-  } @inputs: let
-    inherit (self) outputs;
-    forAllSystems = nixpkgs.lib.genAttrs [
-      "aarch64-linux" 
-      "x86_64-linux"
-    ];
-  in rec {
+  } @inputs:
+  let
     channels = {
       master = import nixpkgs {
         inherit (flake) system overlays;
@@ -49,19 +44,31 @@
       nur = import nur { nurpkgs = import nixpkgs { inherit (flake) system; }; };
     };
 
+    flake = {
+      overlays = [
+	nur.overlay
+	minecraft.overlay
+        (import ./overlays/mpv { inherit (self) inputs channels; })
+      ];
       packages = import ./packages/default.nix { inherit (nix) pkgs; };
-
-    # Variables defined so they can be accessed globally
       secrets = import ./extras/secrets.nix;
       cmd = import ./extras/cmd.nix;
       displays = import ./extras/displays.nix;
       ips = import ./extras/ips.nix;
       look = import ./extras/look.nix;
       ws = import ./extras/workspaces.nix;
+    };
 
+    nix = rec {
+      pkgs = channels.master // flake.packages;
+      inherit (pkgs) lib;
+      inherit (flake) channels-config;
+    };
+  in {
     # NixOS config entrypoint, use 'nixos-rebuild --flake .#your-hostname'
     nixosConfigurations = {
       JimDesktop = nixpkgs.lib.nixosSystem {
+	inherit (nix) pkgs;
         specialArgs = { inherit inputs outputs; };
         modules = [
           ./system/hosts/JimDesktop/configuration.nix

modules/system/services/minecraft/default.nix

@@ -10,8 +10,6 @@
     ./servers/uberbeta
   ];
 
-  nixpkgs.overlays = [ inputs.minecraft.overlay ];
-
   services.minecraft-servers = {
     enable = true;
     eula = true;