feat: manage stateVersion through hostHelper

hostHelper.nix

@@ -10,5 +10,15 @@ in
     modules = [
       {networking.hostName = hostname;}
       (./hosts/${hostname})
+
+      {
+        # This value determines the NixOS release from which the default
+        # settings for stateful data, like file locations and database versions
+        # on your system were taken. It‘s perfectly fine and recommended to leave
+        # this value at the release version of the first install of this system.
+        # Before changing this value read the documentation for this option
+        # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+        system.stateVersion = hostOptions.stateVersion; # Did you read the comment?
+      }
     ];
   }

hosts/crocoite/default.nix

@@ -5,13 +5,6 @@
   nixos-unstable,
   ...
 }: {
-  # This value determines the NixOS release from which the default
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It‘s perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "24.05"; # Did you read the comment?
 
   #nixpkgs.overlays = [ overlays.unstable-packages ];
   nixpkgs = {
@@ -33,22 +26,9 @@
       # })
     ];
 
-    # Configure your nixpkgs instance
-    config = {
-      allowUnfree = true;
-    };
   };
 
-  nix = {
-    settings.experimental-features = ["nix-command" "flakes"];
 
-    # https://lix.systems/ Lix is a modern, delicious implementation of the Nix package manager,
-    # focused on correctness, usability, and growth –
-    # and committed to doing right by its community.
-    package = pkgs.lix;
-
-    channel.enable = false;
-  };
 
   imports = [
     # steam and other stuff seems to depend on perl
@@ -78,6 +58,7 @@
 
     ../../modules/pkg_mgrmnt
     
+    ../../system_profiles/defaults.nix
     # ../../tests
   ];
 }

hosts/game-luanti/default.nix

@@ -4,38 +4,13 @@
   modulesPath,
   ...
 }: {
-  # This value determines the NixOS release from which the default
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It‘s perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "25.05"; # Did you read the comment?
 
-  nixpkgs.config = {
-    # Disable if you don't want unfree packages
-    allowUnfree = true;
-  };
-  nix.settings.experimental-features = ["nix-command" "flakes"];
-
-  # https://lix.systems/ Lix is a modern, delicious implementation of the Nix package manager,
-  # focused on correctness, usability, and growth –
-  # and committed to doing right by its community.
-  nix.package = pkgs.lix;
 
   imports = [
     ./hardware-configuration.nix
 
-    ../../modules/locale.nix
+    ../../system_profiles/defaults.nix
+    ../../system_profiles/mini-container.nix
 
-    ../../system_profiles/mini.nix
-    {
-      # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-      # (the default) this is the recommended approach. When using systemd-networkd it's
-      # still possible to use this option, but it's recommended to use it in conjunction
-      # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-      networking.useDHCP = lib.mkDefault true;
-      # networking.interfaces.ens18.useDHCP = lib.mkDefault true;
-    }
   ];
 }

hosts/jitsi/default.nix

@@ -4,52 +4,16 @@
   modulesPath,
   ...
 }: {
-  #networking.hostName = "jitsi"; # Define your hostname.
-  # This value determines the NixOS release from which the default
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It‘s perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "24.11"; # Did you read the comment?
-
   nixpkgs.config = {
     # Disable if you don't want unfree packages
     allowUnfree = true;
   };
-  nix.settings.experimental-features = ["nix-command" "flakes"];
 
-  # https://lix.systems/ Lix is a modern, delicious implementation of the Nix package manager,
-  # focused on correctness, usability, and growth –
-  # and committed to doing right by its community.
-  nix.package = pkgs.lix;
 
   imports = [
     ./hardware-configuration.nix
 
-    ../../modules/locale.nix
-
-    (modulesPath + "/profiles/perlless.nix")
-    (modulesPath + "/profiles/minimal.nix")
-    {
-      environment.defaultPackages = [];
-      boot.kernel.enable = false;
-      boot.isContainer = true;
-      nixpkgs.overlays = [(self: super: {})];
-    }
-    {
-      # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-      # (the default) this is the recommended approach. When using systemd-networkd it's
-      # still possible to use this option, but it's recommended to use it in conjunction
-      # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-      networking.useDHCP = lib.mkDefault true;
-      # networking.interfaces.ens18.useDHCP = lib.mkDefault true;
-    }
-  ];
-  disabledModules = [
-    (modulesPath + "/profiles/all-hardware.nix")
-    (modulesPath + "/profiles/base.nix")
-    #  <nixpkgs/nixos/modules/profiles/all-hardware.nix>
-    #  <nixpkgs/nixos/modules/profiles/base.nix>
+    ../../system_profiles/defaults.nix
+    ../../system_profiles/mini-container.nix
   ];
 }

outputs.nix

@@ -1,27 +1,27 @@
 inArgs: let
+  lib = inArgs.nixpkgs.lib;
+  hostHelper = import ./hostHelper.nix inArgs;
+
   # Supported systems for your flake packages, shell, etc.
   systems = [
     #"aarch64-linux"
     "x86_64-linux"
   ];
-
   # This is a function that generates an attribute by calling a function you
   # pass to it, with each system as an argument
   forAllSystems = inArgs.nixpkgs.lib.genAttrs systems;
 
-  lib = inArgs.nixpkgs.lib;
-
-  hostHelper = import ./hostHelper.nix inArgs;
-
 in {
   # NixOS configuration entrypoint
   # Available through 'nixos-rebuild --flake .#your-hostname'
-  # to add more append // (host_helper example);
   nixosConfigurations = builtins.mapAttrs (hostName: hostOptions: (hostHelper hostName hostOptions)) {
-    crocoite = {};
-    game-luanti = {unstable = true;};
+    crocoite = {stateVersion = "24.05";};
+
+    jitsi = {stateVersion = "24.11";};
+    game-luanti = {stateVersion = "25.05"; unstable = true;};
   };
 
+
   # Your custom packages
   # Accessible through 'nix build', 'nix shell', etc
   #packages = forAllSystems (system: import ./pkgs nixpkgs.legacyPackages.${system});

system_profiles/defaults.nix

@@ -0,0 +1,23 @@
+{
+  lib,
+  pkgs,
+  ...
+}: {
+  nix.settings.experimental-features = lib.mkDefault ["nix-command" "flakes"];
+
+  # Disable if you don't want unfree packages
+  nixpkgs.config.allowUnfree = lib.mkDefault true;
+
+  nix = {
+  # https://lix.systems/ Lix is a modern, delicious implementation of the Nix package manager,
+  # focused on correctness, usability, and growth –
+  # and committed to doing right by its community.
+    package = lib.mkDefault pkgs.lix;
+
+    channel.enable = lib.mkDefault false;
+  };
+
+  imports = [
+    ../modules/locale.nix
+  ];
+}

system_profiles/mini-container.nix

@@ -1,10 +1,13 @@
 {
+  lib,
+  ...
+}: {
   imports = [
     ./mini.nix
 
     {
-      boot.isContainer = true;
-      boot.kernel.enable = false;
+      boot.isContainer = lib.mkDefault true;
+      boot.kernel.enable = lib.mkDefault false;
     }
   ];
 }

system_profiles/mini.nix

@@ -1,4 +1,5 @@
 {
+  lib,
   modulesPath,
   ...
 }: {
@@ -7,10 +8,14 @@
     (modulesPath + "/profiles/perlless.nix")
 
     {
-      boot.isContainer = true;
-      boot.kernel.enable = false;
-      environment.defaultPackages = [];
-      nixpkgs.overlays = [(self: super: {})];
+      environment.defaultPackages = lib.mkDefault [];
+      nixpkgs.overlays = lib.mkDefault [(self: super: {})];
+
+      # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+      # (the default) this is the recommended approach. When using systemd-networkd it's
+      # still possible to use this option, but it's recommended to use it in conjunction
+      # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+      networking.useDHCP = lib.mkDefault true;
     }
   ];