Move common into flake.nix (working this time)

common.nix

@@ -1,34 +0,0 @@
-{lib, ...}: let
-  home-manager = builtins.fetchTarball "https://github.com/nix-community/home-manager/archive/master.tar.gz";
-in {
-  imports = [(import "${home-manager}/nixos")];
-  nix = {
-    settings.experimental-features = ["nix-command" "flakes"];
-    gc = {
-      automatic = true;
-      dates = "daily";
-      options = "--delete-older-than 7d";
-    };
-    extraOptions = ''
-      keep-outputs = true
-      keep-derivations = true
-    '';
-  };
-  system.autoUpgrade.enable = lib.mkDefault false;
-  nixpkgs.config.allowUnfree = true;
-  home-manager = {
-    useUserPackages = true;
-    useGlobalPkgs = true;
-  };
-  networking.networkmanager.enable = true;
-  services.power-profiles-daemon.enable = true;
-  virtualisation.podman.enable = true;
-  programs = {
-    ssh.startAgent = true;
-    dconf.enable = true;
-    fish.enable = true;
-    zsh.enable = true;
-  };
-  fonts.fontconfig.enable = true;
-  environment.localBinInPath = true;
-}

flake.nix

@@ -14,6 +14,37 @@
     nixpkgs,
     home-manager,
   }: let
+    common = {lib, ...}: {
+      nix = {
+        settings.experimental-features = ["nix-command" "flakes"];
+        gc = {
+          automatic = true;
+          dates = "daily";
+          options = "--delete-older-than 7d";
+        };
+        extraOptions = ''
+          keep-outputs = true
+          keep-derivations = true
+        '';
+      };
+      system.autoUpgrade.enable = lib.mkDefault false;
+      nixpkgs.config.allowUnfree = true;
+      home-manager = {
+        useGlobalPkgs = true;
+        useUserPackages = false;
+      };
+      networking.networkmanager.enable = true;
+      services.power-profiles-daemon.enable = true;
+      virtualisation.podman.enable = true;
+      programs = {
+        ssh.startAgent = true;
+        dconf.enable = true;
+        fish.enable = true;
+        zsh.enable = true;
+      };
+      fonts.fontconfig.enable = true;
+      environment.localBinInPath = true;
+    };
     hardware-audio = {pkgs, ...}: {
       # Enable sound with pipewire.
       sound.enable = true;
@@ -39,8 +70,8 @@
         system = "x86_64-linux";
         modules = [
           home-manager.nixosModules.home-manager
+          common
           ./hosts/Legion/configuration.nix
-          ./common.nix
           ./services/Legion.nix
         ];
       };
@@ -48,10 +79,10 @@
         system = "x86_64-linux";
         modules = [
           home-manager.nixosModules.home-manager
+          common
           hardware-audio
           hardware-bluetooth
           ./hosts/N0245/configuration.nix
-          ./common.nix
           ./wm/sway.nix
           ./services/syncthing/N0245.nix
         ];