refactor(flake): re-organise systems and modules

flake.nix

@@ -6,12 +6,17 @@
     nixpkgs.url = "github:nixos/nixpkgs/nixos-23.05";
   };
 
-  outputs =
+  outputs = inputs@{ flake-parts, self, ... }:
-    inputs@{ flake-parts, home-manager, nixpkgs, nixpkgs-unstable, self, ... }:
+    let
+      username = "opdavies";
+
+      nixos-system = import ./system/nixos { inherit inputs username; };
+      wsl-system = import ./system/wsl2 { inherit inputs username; };
+    in
     flake-parts.lib.mkFlake { inherit inputs; } {
       systems = [ "x86_64-linux" ];
 
-      perSystem = { pkgs, self', nixpkgs, ... }: {
+      perSystem = { pkgs, self', ... }: {
         packages = {
           opdavies-nvim = pkgs.vimUtils.buildVimPlugin {
             name = "opdavies-nvim";
@@ -24,28 +29,11 @@
 
       flake = {
         nixosConfigurations = {
-          nixedo = nixpkgs.lib.nixosSystem {
+          nixedo = nixos-system;
-            modules = [
-              ./system/nixos/nixedo/configuration.nix
-
-              home-manager.nixosModules.home-manager
-              {
-                home-manager = {
-                  extraSpecialArgs = { inherit inputs; };
-                  useGlobalPkgs = true;
-                  useUserPackages = true;
-                  users.opdavies = import ./home-manager/nixedo.nix;
-                };
-              }
-            ];
-          };
         };
 
         homeConfigurations = {
-          wsl2 = home-manager.lib.homeManagerConfiguration {
+          wsl2 = wsl-system;
-            modules = [ ./system/wsl2.nix ];
-            pkgs = nixpkgs.legacyPackages.x86_64-linux;
-          };
         };
       };
     };

system/nixos/configuration.nix

@@ -1,7 +1,3 @@
-# Edit this configuration file to define what should be installed on
-# your system.  Help is available in the configuration.nix(5) man page
-# and in the NixOS manual (accessible by running ‘nixos-help’).
-
 { config, lib, pkgs, ... }:
 
 let
@@ -22,11 +18,6 @@ let
   };
 in
 {
-  imports = [
-    # Include the results of the hardware scan.
-    ./hardware-configuration.nix
-  ];
-
   nixpkgs = {
     config = {
       allowUnfree = true;
@@ -42,7 +33,7 @@ in
     DefaultTimeoutStopSec=10s
   '';
 
-  networking.hostName = "nixedo"; # Define your hostname.
+  # networking.hostName = "nixedo"; # Define your hostname.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
 
   # Configure network proxy if necessary

system/nixos/default.nix

@@ -0,0 +1,21 @@
+{ inputs, username }:
+
+let
+  configuration = import ./configuration.nix;
+  hardware-configuration = import ./hardware-configuration.nix;
+in
+inputs.nixpkgs.lib.nixosSystem {
+  modules = [
+    inputs.home-manager.nixosModules.home-manager {
+      home-manager = {
+        extraSpecialArgs = { inherit inputs; };
+        useGlobalPkgs = true;
+        useUserPackages = true;
+        users."${username}" = import ./home-manager.nix;
+      };
+    }
+
+    configuration
+    hardware-configuration
+  ];
+}

system/nixos/home-manager.nix

@@ -2,11 +2,11 @@
 
 {
   imports = [
-    ./modules/common.nix
+    ../../home-manager/modules/common.nix
-    ./modules/git.nix
+    ../../home-manager/modules/git.nix
-    ./modules/home-manager.nix
+    ../../home-manager/modules/home-manager.nix
-    ./modules/tmux.nix
+    ../../home-manager/modules/tmux.nix
-    ./modules/zsh.nix
+    ../../home-manager/modules/zsh.nix
   ];
 
   home.stateVersion = "22.05";

system/wsl2/default.nix

@@ -1,11 +1,17 @@
-{ config, lib, pkgs, ... }:
+{ inputs, username }:
 
-{
+inputs.home-manager.lib.homeManagerConfiguration {
-  imports = [
+  modules = [
-    ../home-manager/modules/common.nix
+    {
-    ../home-manager/modules/git.nix
+      imports = [
-    ../home-manager/modules/home-manager.nix
+        ../home-manager/modules/common.nix
-    ../home-manager/modules/tmux.nix
+        ../home-manager/modules/git.nix
-    ../home-manager/modules/zsh.nix
+        ../home-manager/modules/home-manager.nix
+        ../home-manager/modules/tmux.nix
+        ../home-manager/modules/zsh.nix
+      ];
+    }
   ];
+
+  pkgs = inputs.nixpkgs.legacyPackages.x86_64-linux;
 }