Modularity for system configuration

nixos/configuration.nix

@@ -2,14 +2,19 @@
   inputs,
   pkgs,
   pkgs-stable,
-  lib,
   ...
 }: {
   imports = [
     ./hardware-configuration.nix
-    ./system/nvidia.nix
+    ./system/packages.nix
+    ./system/system.nix
     inputs.home-manager.nixosModules.home-manager
   ];
+  
+  nix.settings.experimental-features = ["nix-command" "flakes"];
+
+    # Bootloader.
+  boot.loader.systemd-boot.enable = true;
 
   home-manager = {
     extraSpecialArgs = {inherit inputs pkgs pkgs-stable;};
@@ -19,180 +24,6 @@
     };
   };
 
-  stylix = {
-    enable = true;
-    image = ./aurora_borealis.png;
-    base16Scheme = "${pkgs.base16-schemes}/share/themes/catppuccin-mocha.yaml";
-    #base16Scheme = "${pkgs.base16-schemes}/share/themes/onedark.yaml";
-    #base16Scheme = "${pkgs.base16-schemes}/share/themes/tokyo-night-dark.yaml";
-    polarity = "dark";
-    autoEnable = true;
-
-    # Set the cursor theme.
-    cursor = {
-      package = pkgs.bibata-cursors;
-      name = "Bibata-Modern-Ice";
-      size = 24;
-    };
-
-    fonts = {
-      sizes = {
-        desktop = 8;
-        applications = 10;
-        popups = 10;
-        terminal = 12;
-      };
-
-      monospace = {
-        name = "JetBrainsMono Nerd Font";
-        package = pkgs.nerdfonts.override {fonts = ["JetBrainsMono"];};
-      };
-    };
-  };
-
-  # Bootloader.
-  boot.loader.systemd-boot.enable = true;
-  nix.settings.experimental-features = ["nix-command" "flakes"];
-  networking.hostName = "laptop"; # Define your hostname.
-  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
-
-  # Configure network proxy if necessary
-  # networking.proxy.default = "http://user:password@proxy:port/";
-  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
-
-  # Enable networking
-  networking.networkmanager.enable = true;
-  hardware.bluetooth.enable = true; # enables support for Bluetooth
-  hardware.bluetooth.powerOnBoot = true; # powers up the default Bluetooth controller on boot
-  services.blueman.enable = true;
-
-  # Printing
-  services.printing.enable = true;
-  services.printing.drivers = with pkgs; [gutenprint hplip splix];
-  hardware.printers = {
-    #ensurePrinters = [
-    #  {
-    #    name = "HP_psc_1200_series";
-    #    location = "Home";
-    #    deviceUri = "usb://HP/psc%201200%20series?serial=UA51SGB35WT0&interface=1";
-    #    model = "HP_psc_1200_series.ppd";
-    #    ppdOptions = {
-    #      PageSize = "A4";
-    #    };
-    #  }
-    #];
-    #ensureDefaultPrinter = "HP_psc_1200_series";
-  };
-
-  # Scanning
-  hardware.sane.enable = true;
-  services.ipp-usb.enable = true;
-  hardware.sane.extraBackends = [pkgs.hplipWithPlugin];
-
-  # Set your time zone.
-  time.timeZone = "Europe/Prague";
-
-  # Select internationalisation properties.
-  i18n.defaultLocale = "en_US.UTF-8";
-
-  i18n.extraLocaleSettings = {
-    LC_ADDRESS = "cs_CZ.UTF-8";
-    LC_IDENTIFICATION = "cs_CZ.UTF-8";
-    LC_MEASUREMENT = "cs_CZ.UTF-8";
-    LC_MONETARY = "cs_CZ.UTF-8";
-    LC_NAME = "cs_CZ.UTF-8";
-    LC_NUMERIC = "cs_CZ.UTF-8";
-    LC_PAPER = "cs_CZ.UTF-8";
-    LC_TELEPHONE = "cs_CZ.UTF-8";
-    LC_TIME = "cs_CZ.UTF-8";
-  };
-
-  fonts.packages = with pkgs; [
-    noto-fonts
-    noto-fonts-emoji
-    (nerdfonts.override {fonts = ["JetBrainsMono"];})
-    monaspace
-  ];
-
-  services.displayManager = {
-    defaultSession = "hyprland";
-    sddm = {
-      enable = true;
-      wayland.enable = true;
-      theme = "sddm-astronaut-theme";
-      package = lib.mkDefault pkgs.kdePackages.sddm;
-      extraPackages = [pkgs.sddm-astronaut pkgs.kdePackages.qtvirtualkeyboard];
-    };
-  };
-
-  services.desktopManager.plasma6.enable = true;
-  #services.xserver.desktopManager.gnome.enable = true;
-  #environment.gnome.excludePackages = with pkgs; [
-  #  gnome-tour
-  #  gnome-connections
-  #  epiphany # web browser
-  #  geary # email reader. Up to 24.05. Starting from 24.11 the package name is just geary.
-  #  #evince # document viewer
-  #  gnome-weather
-  #  gnome-contacts
-  #  gnome-maps
-  #  gnome-logs
-  #  gnome-music
-  #  gnome-system-monitor
-  #  gnome-text-editor
-  #  yelp
-  #  totem
-  #  snapshot
-  #  seahorse
-  #];
-
-  environment.plasma6.excludePackages = with pkgs.kdePackages; [
-    ark
-    plasma-browser-integration
-    konsole
-    oxygen
-    gwenview
-    okular
-    elisa
-    kate
-    krdp
-    khelpcenter
-  ];
-
-  # qt = {
-  #   enable = true;
-  #   platformTheme = "gnome";
-  #   style = "adwaita-dark";
-  # };
-
-  programs.hyprland = {
-    enable = true;
-    xwayland.enable = true;
-    package = inputs.hyprland.packages."${pkgs.system}".hyprland;
-    portalPackage = pkgs.xdg-desktop-portal-hyprland;
-  };
-
-  virtualisation.libvirtd.enable = true;
-  programs.virt-manager.enable = true;
-
-  programs.proxychains = {
-    enable = true;
-    chain.type = "dynamic";
-    proxies = {
-      tor-proxy = {
-        enable = true;
-        type = "socks5";
-        host = "127.0.0.1";
-        port = 9050;
-      };
-    };
-  };
-
-  services.tor = {
-    enable = true;
-  };
-  services.tor.client.enable = true;
-
   environment.sessionVariables = {
     WLR_NO_HARDWARE_CURSORS = "1";
     NIXOS_OZONE_WL = "1";
@@ -200,31 +31,6 @@
     FLAKE = "/home/foglar/dotfiles";
   };
 
-  services.xserver = {
-    xkb.layout = "us,cz";
-    xkb.options = "grp:win_space_toggle";
-  };
-
-  # Enable sound with pipewire.
-  hardware.pulseaudio.enable = false;
-  security.rtkit.enable = true;
-  services.pipewire = {
-    enable = true;
-    alsa.enable = true;
-    alsa.support32Bit = true;
-    pulse.enable = true;
-    # If you want to use JACK applications, uncomment this
-    #jack.enable = true;
-
-    # use the example session manager (no others are packaged yet so this is enabled by default,
-    # no need to redefine it in your config for now)
-    #media-session.enable = true;
-  };
-
-  # Enable touchpad support (enabled default in most desktopManager).
-  # services.xserver.libinput.enable = true;
-
-  # Define a user account. Don't forget to set a password with ‘passwd’.
   users.users.foglar = {
     isNormalUser = true;
     description = "foglar";
@@ -234,39 +40,11 @@
     ];
   };
 
-  virtualisation.docker = {
-    enable = true;
-    rootless = {
-      enable = true;
-      setSocketVariable = true;
-    };
-  };
-
-  programs.kdeconnect.enable = true;
-  programs.wireshark.enable = true;
-  programs.steam = {
-    enable = true;
-    remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
-    dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
-    localNetworkGameTransfers.openFirewall = true; # Open ports in the firewall for Steam Local Network Game Transfers
-  };
-
   # Allow unfree packages
   nixpkgs.config.allowUnfree = true;
 
   # List packages installed in system profile. To search, run:
   # $ nix search wget
-  environment.systemPackages = with pkgs; [
-    #  vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
-    #  wget
-    (sddm-astronaut.override {
-      themeConfig = {
-        ScreenWidth = 1920;
-        ScreenHeight = 1080;
-        PartialBlur = false;
-      };
-    })
-  ];
 
   # Some programs need SUID wrappers, can be configured further or are
   # started in user sessions.

nixos/system/packages.nix

@@ -0,0 +1,10 @@
+{...}:
+{
+  import = [
+    ./packages/docker.nix
+    ./packages/programs.nix
+    ./packages/steam.nix
+    ./packages/tor.nix
+    ./packages/virtual-machines.nix
+  ];
+}

nixos/system/packages/docker.nix

@@ -0,0 +1,9 @@
+{...}: {
+  virtualisation.docker = {
+    enable = true;
+    rootless = {
+      enable = true;
+      setSocketVariable = true;
+    };
+  };
+}

nixos/system/packages/programs.nix

@@ -0,0 +1,5 @@
+{...}:
+{
+  programs.kdeconnect.enable = true;
+  programs.wireshark.enable = true;
+}

nixos/system/packages/steam.nix

@@ -0,0 +1,9 @@
+{...}:
+{
+  programs.steam = {
+    enable = true;
+    remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
+    dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
+    localNetworkGameTransfers.openFirewall = true; # Open ports in the firewall for Steam Local Network Game Transfers
+  };
+}

nixos/system/packages/tor.nix

@@ -0,0 +1,20 @@
+{...}:
+{
+  programs.proxychains = {
+    enable = true;
+    chain.type = "dynamic";
+    proxies = {
+      tor-proxy = {
+        enable = true;
+        type = "socks5";
+        host = "127.0.0.1";
+        port = 9050;
+      };
+    };
+  };
+
+  services.tor = {
+    enable = true;
+  };
+  services.tor.client.enable = true;
+}

nixos/system/packages/virtual-machines.nix

@@ -0,0 +1,5 @@
+{...}:
+{
+  virtualisation.libvirtd.enable = true;
+  programs.virt-manager.enable = true;
+}

nixos/system/sys/audio.nix

@@ -0,0 +1,18 @@
+{...}:
+{
+  # Enable sound with pipewire.
+  hardware.pulseaudio.enable = false;
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+    # If you want to use JACK applications, uncomment this
+    #jack.enable = true;
+
+    # use the example session manager (no others are packaged yet so this is enabled by default,
+    # no need to redefine it in your config for now)
+    #media-session.enable = true;
+  };
+}

nixos/system/sys/desktops.nix

@@ -0,0 +1,48 @@
+{
+  inputs,
+  pkgs,
+  ...
+}:
+{
+  services.desktopManager.plasma6.enable = true;
+  #services.xserver.desktopManager.gnome.enable = true;
+  
+  #environment.gnome.excludePackages = with pkgs; [
+  #  gnome-tour
+  #  gnome-connections
+  #  epiphany # web browser
+  #  geary # email reader. Up to 24.05. Starting from 24.11 the package name is just geary.
+  #  #evince # document viewer
+  #  gnome-weather
+  #  gnome-contacts
+  #  gnome-maps
+  #  gnome-logs
+  #  gnome-music
+  #  gnome-system-monitor
+  #  gnome-text-editor
+  #  yelp
+  #  totem
+  #  snapshot
+  #  seahorse
+  #];
+
+  environment.plasma6.excludePackages = with pkgs.kdePackages; [
+    ark
+    plasma-browser-integration
+    konsole
+    oxygen
+    gwenview
+    okular
+    elisa
+    kate
+    krdp
+    khelpcenter
+  ];
+
+  programs.hyprland = {
+    enable = true;
+    xwayland.enable = true;
+    package = inputs.hyprland.packages."${pkgs.system}".hyprland;
+    portalPackage = pkgs.xdg-desktop-portal-hyprland;
+  };
+}

nixos/system/sys/fonts.nix

@@ -0,0 +1,8 @@
+{pkgs, ...}: {
+  fonts.packages = with pkgs; [
+    noto-fonts
+    noto-fonts-emoji
+    (nerdfonts.override {fonts = ["JetBrainsMono"];})
+    monaspace
+  ];
+}

nixos/system/sys/locales.nix

@@ -0,0 +1,23 @@
+{...}: {
+  # Set your time zone.
+  time.timeZone = "Europe/Prague";
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "cs_CZ.UTF-8";
+    LC_IDENTIFICATION = "cs_CZ.UTF-8";
+    LC_MEASUREMENT = "cs_CZ.UTF-8";
+    LC_MONETARY = "cs_CZ.UTF-8";
+    LC_NAME = "cs_CZ.UTF-8";
+    LC_NUMERIC = "cs_CZ.UTF-8";
+    LC_PAPER = "cs_CZ.UTF-8";
+    LC_TELEPHONE = "cs_CZ.UTF-8";
+    LC_TIME = "cs_CZ.UTF-8";
+  };
+
+  services.xserver = {
+    xkb.layout = "us,cz";
+    xkb.options = "grp:win_space_toggle";
+  };
+}

nixos/system/sys/network.nix

@@ -0,0 +1,14 @@
+{...}: {
+  networking.hostName = "laptop"; # Define your hostname.
+  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+
+  # Configure network proxy if necessary
+  # networking.proxy.default = "http://user:password@proxy:port/";
+  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+  # Enable networking
+  networking.networkmanager.enable = true;
+  hardware.bluetooth.enable = true; # enables support for Bluetooth
+  hardware.bluetooth.powerOnBoot = true; # powers up the default Bluetooth controller on boot
+  services.blueman.enable = true;
+}

nixos/system/sys/printing.nix

@@ -0,0 +1,29 @@
+{
+  pkgs,
+  ...
+}:
+{
+  # Printing
+  services.printing.enable = true;
+  services.printing.drivers = with pkgs; [gutenprint hplip splix];
+  hardware.printers = {
+    #ensurePrinters = [
+    #  {
+    #    name = "HP_psc_1200_series";
+    #    location = "Home";
+    #    deviceUri = "usb://HP/psc%201200%20series?serial=UA51SGB35WT0&interface=1";
+    #    model = "HP_psc_1200_series.ppd";
+    #    ppdOptions = {
+    #      PageSize = "A4";
+    #    };
+    #  }
+    #];
+    #ensureDefaultPrinter = "HP_psc_1200_series";
+  };
+
+  # Scanning
+  hardware.sane.enable = true;
+  services.ipp-usb.enable = true;
+  hardware.sane.extraBackends = [pkgs.hplipWithPlugin];
+
+}

nixos/system/sys/sddm.nix

@@ -0,0 +1,28 @@
+{
+  pkgs,
+  lib,
+  ...
+}:
+{
+
+  services.displayManager = {
+    defaultSession = "hyprland";
+    sddm = {
+      enable = true;
+      wayland.enable = true;
+      theme = "sddm-astronaut-theme";
+      package = lib.mkDefault pkgs.kdePackages.sddm;
+      extraPackages = [pkgs.sddm-astronaut pkgs.kdePackages.qtvirtualkeyboard];
+    };
+  };
+
+  environment.systemPackages = with pkgs; [
+    (sddm-astronaut.override {
+      themeConfig = {
+        ScreenWidth = 1920;
+        ScreenHeight = 1080;
+        PartialBlur = false;
+      };
+    })
+  ];
+}

nixos/system/sys/style.nix

@@ -0,0 +1,36 @@
+{
+  pkgs,
+  ...
+}:
+{
+  stylix = {
+    enable = true;
+    image = ./aurora_borealis.png;
+    base16Scheme = "${pkgs.base16-schemes}/share/themes/catppuccin-mocha.yaml";
+    #base16Scheme = "${pkgs.base16-schemes}/share/themes/onedark.yaml";
+    #base16Scheme = "${pkgs.base16-schemes}/share/themes/tokyo-night-dark.yaml";
+    polarity = "dark";
+    autoEnable = true;
+
+    # Set the cursor theme.
+    cursor = {
+      package = pkgs.bibata-cursors;
+      name = "Bibata-Modern-Ice";
+      size = 24;
+    };
+
+    fonts = {
+      sizes = {
+        desktop = 8;
+        applications = 10;
+        popups = 10;
+        terminal = 12;
+      };
+
+      monospace = {
+        name = "JetBrainsMono Nerd Font";
+        package = pkgs.nerdfonts.override {fonts = ["JetBrainsMono"];};
+      };
+    };
+  };
+}

nixos/system/system.nix

@@ -0,0 +1,14 @@
+{...}:
+{
+  imports = [
+    ./sys/audio.nix
+    ./sys/desktops.nix
+    ./sys/fonts.nix
+    ./sys/locales.nix
+    ./sys/network.nix
+    ./sys/nvidia.nix
+    ./sys/printing.nix
+    ./sys/sddm.nix
+    ./sys/style.nix
+  ];
+}