System, get hostname from directory structure

flake.nix

@@ -18,12 +18,16 @@
     fs = pkgs.lib.fileset;
     st = pkgs.lib.strings;
 
-    hostConfig = extraModules: nixpkgs.lib.nixosSystem {
-      specialArgs = { inherit inputs; };
+    hostConfig = hostname: hostpath: nixpkgs.lib.nixosSystem {
+      specialArgs = {
+        inherit inputs;
+        inherit hostname;
+      };
       system = system;
       modules = [
         ./nixosModules
-      ] ++ extraModules;
+        hostpath
+      ];
     };
     hosts = let 
       hostFilter = { name, ...}: name == "host.nix";
@@ -39,12 +43,16 @@
       name = extractHostName path;
     }) hostPaths);
 
-    userConfig = extraModules: home-manager.lib.homeManagerConfiguration {
+    userConfig = usernameAtHostname: userpath: home-manager.lib.homeManagerConfiguration {
       inherit pkgs;
-      extraSpecialArgs = { inherit inputs; };
+      extraSpecialArgs = { 
+        inherit inputs; 
+        inherit usernameAtHostname;
+      };
       modules = [
         ./hmModules
-      ] ++ extraModules;
+        userpath
+      ];
     };
     users = let
       userFilter = { name, ...}: name == "user.nix";
@@ -63,7 +71,7 @@
       }
     ) userPaths);
   in {
-    nixosConfigurations = builtins.mapAttrs (name: path: hostConfig [ path ]) hosts;
-    homeConfigurations = builtins.mapAttrs (name: path: userConfig [ path ]) users;
+    nixosConfigurations = builtins.mapAttrs (name: path: hostConfig name path) hosts;
+    homeConfigurations = builtins.mapAttrs (name: path: userConfig name path) users;
   };
 }

hosts/jibril/host.nix

@@ -4,9 +4,14 @@
   imports = [
     ./hardware.nix
   ];
-  networking.hostName = "jibril";
-  nixpkgs.config.allowUnfree = true;
-  system.stateVersion = "23.05";
+  pipewire.enable = true;
+  polkit.enable = true;
+  bluetooth.enable = true;
+  wireless = {
+    enable = true;
+    networks = builtins.fromTOML (builtins.readFile ./networks.toml);
+    secretsFile = config.sops.secrets.wireless.path;
+  };
 
   sops-nix = {
     enable = true;
@@ -17,15 +22,6 @@
     };
   };
 
-  pipewire.enable = true;
-  polkit.enable = true;
-  bluetooth.enable = true;
-  wireless = {
-    enable = true;
-    networks = builtins.fromTOML (builtins.readFile ./networks.toml);
-    secretsFile = config.sops.secrets.wireless.path;
-  };
-
   user.name = "pan";
   user.timezone = "America/Los_Angeles";
 

hosts/onizuka/host.nix

@@ -4,10 +4,6 @@
   imports = [
     ./hardware.nix
   ];
-  networking.hostName = "onizuka";
-  nixpkgs.config.allowUnfree = true;
-  system.stateVersion = "23.05";
-
   nvidia.enable = true;
   pipewire.enable = true;
   polkit.enable = true;

nixosModules/services/system/default.nix

@@ -1,4 +1,4 @@
-{ config, inputs, pkgs, lib, ... }:
+{ config, inputs, pkgs, lib, hostname, ... }:
 
 {
   options = {
@@ -15,6 +15,10 @@
     boot.loader.timeout = 1;
     boot.loader.efi.canTouchEfiVariables = true;
 
+    networking.hostName = hostname;
+    nixpkgs.config.allowUnfree = true;
+    system.stateVersion = "23.05";
+
     time.timeZone = config.user.timezone;
 
     i18n.defaultLocale = "en_US.UTF-8";
@@ -29,7 +33,7 @@
 
     # XDG Compliance
     xdg.portal.config.common.default = "*";
-    environment.sessionVariables = rec {
+    environment.sessionVariables = {
       XDG_CONFIG_HOME = "\${HOME}/.config";
       XDG_CACHE_HOME  = "\${HOME}/.cache";
       XDG_STATE_HOME  = "\${HOME}/.local/state";