Refactor configuration.nix into modules

flake.nix

@@ -49,9 +49,7 @@
             system = "x86_64-linux";
 
             modules = [
-
-                # Import legacy configuration
-                ./configuration.nix
+                ./hosts/laptop
 
                 # Home manager
                 home-manager.nixosModules.home-manager

hosts/laptop/default.nix

@@ -0,0 +1,11 @@
+{ ... }:
+{
+    imports = [
+        ./hardware-configuration.nix
+        ./modules
+    ];
+
+    system.stateVersion = "24.05";
+
+    nix.settings.experimental-features = [ "nix-command" "flakes" ];
+}

hosts/laptop/hardware-configuration.nix

@@ -0,0 +1,41 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/f9bea90d-1dca-42d5-8297-0b5be85190a1";
+      fsType = "btrfs";
+      options = [ "subvol=@" ];
+    };
+
+  boot.initrd.luks.devices."luks-16827abe-333c-43d7-b1b0-7d0df0b5931f".device = "/dev/disk/by-uuid/16827abe-333c-43d7-b1b0-7d0df0b5931f";
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/B22B-9CCA";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices = [ ];
+
+  # 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.wlp2s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

hosts/laptop/modules/bluetooth.nix

@@ -0,0 +1,6 @@
+{ ... }:
+{
+    # Enable bluetooth
+    hardware.bluetooth.enable = true;
+    hardware.bluetooth.powerOnBoot = true;
+}

hosts/laptop/modules/bootloader.nix

@@ -0,0 +1,48 @@
+{ inputs, system, ... }:
+{
+    boot = {
+        loader = {
+            # Configure GRUB bootloader
+            grub = {
+                enable = true;
+                useOSProber = false; # Don't show other OS-es, the main grub install handles that
+                devices = [ "nodev" ]; # Assume grub is already installed properly
+                efiSupport = true;
+                # Add extra power options to bootloader
+                extraEntries = ''
+                    menuentry "Poweroff" {
+                        halt
+                    }
+                    menuentry "Reboot" {
+                        reboot
+                    }
+                '';
+                # Use NixOS hyperfluent theme for nicer-looking os-themed bootloader
+                theme = inputs.nixos-grub-themes.packages."${system}".hyperfluent;
+            };
+            efi.canTouchEfiVariables = true;
+        };
+
+        # Enable plymouth for a nicer boot sequence
+        plymouth = {
+            enable = true;
+            theme = "bgrt"; # Emulates windows-style boot animation (vendor + os + spinner)
+        };
+
+        # Configure silent boot (no logging displayed)
+        consoleLogLevel = 0;
+        initrd.verbose = false;
+        kernelParams = [
+            "quiet"
+            "splash"
+            "boot.shell_on_fail"
+            "loglevel=3"
+            "rd.systemd.show_status=false"
+            "rd.udev.log_level=3"
+            "udev.log_priority=3"
+        ];
+        
+        # Enable systemd early
+        initrd.systemd.enable = true;
+    };
+}

hosts/laptop/modules/default.nix

@@ -0,0 +1,18 @@
+{ ... }:
+{
+    imports = [
+        ./bluetooth.nix
+        ./bootloader.nix
+        ./desktop.nix
+        ./display.nix
+        ./environment.nix
+        ./fonts.nix
+        ./networking.nix
+        ./mounts.nix
+        ./nixpkgs.nix
+        ./nvidia.nix
+        ./packages.nix
+        ./sound.nix
+        ./users.nix
+    ];
+}

hosts/laptop/modules/desktop.nix

@@ -0,0 +1,5 @@
+{ ... }:
+{
+    # Enable KDE Plasma 6
+    services.desktopManager.plasma6.enable = true;
+}

hosts/laptop/modules/display.nix

@@ -0,0 +1,55 @@
+{ pkgs, lib, inputs, ... }:
+{
+    imports = [
+        inputs.sddm-sugar-candy-nix.nixosModules.default
+    ];
+    
+    # Disable X11
+    services.xserver = {
+        enable = false;
+        # TODO: Is this necessary without X11? It was added by NixOS installer
+        xkb = {
+            layout = "us";
+            variant = "";
+        };
+    };
+
+    # Enable SDDM w/ Sugar Candy theme
+    services.displayManager.sddm = {
+        enable = true;
+        # Use kwin for wayland support
+        wayland = {
+            enable = true;
+            compositor = "kwin";
+        };
+        # Enable high resolution support
+        enableHidpi = true;
+        # Qt5 compatibility to allow Sugar Candy theme
+        package = lib.mkForce pkgs.libsForQt5.sddm;
+        extraPackages = lib.mkForce [
+            pkgs.libsForQt5.qtbase
+            pkgs.libsForQt5.qt5.qtgraphicaleffects
+        ];
+
+        # Use same cursor theme as plasma
+        settings = {
+            Theme = {
+                CursorTheme = "Vimix-cursors";
+            };
+        };
+
+        # Enable sugar candy theme via sddm-sugar-candy-nix flake
+        sugarCandyNix = {
+            enable = true;
+            settings = {
+                Background = "${pkgs.kdePackages.plasma-workspace-wallpapers}/share/wallpapers/Patak/contents/images_dark/3840x2160.png";
+                ScreenWidth = 3072;
+                ScreenHeight = 1920;
+                FormPosition = "left";
+                HaveFormBackground = true;
+                PartialBlur = true;
+                FontSize = "12";
+            };
+        };
+    };
+}

hosts/laptop/modules/environment.nix

@@ -0,0 +1,8 @@
+{ ... }:
+{
+    # Enable wayland support for electron apps
+    environment.sessionVariables.NIXOS_OZONE_WL = "1";
+
+    # Enable zsh-autocomplete compatibility
+    environment.pathsToLink = [ "/share/zsh" ];
+}

hosts/laptop/modules/fonts.nix

@@ -0,0 +1,20 @@
+{ pkgs, ... }:
+{
+    fonts = {
+        packages = with pkgs; [
+            symbola
+            noto-fonts
+            noto-fonts-cjk-sans
+            noto-fonts-emoji
+            fira-code
+            fira-code-symbols
+            jetbrains-mono
+            # Nerd fonts
+            (nerdfonts.override {
+                fonts = [ "FiraCode" "JetBrainsMono" ];
+            })
+        ];
+        # Disable any fonts not defined above
+        enableDefaultPackages = false;
+    };
+}

hosts/laptop/modules/locale.nix

@@ -0,0 +1,19 @@
+{ ... }:
+{
+    # Set timezone to MST
+    time.timeZone = "America/Denver";
+
+    # Set english UTF-8 locale
+    i18n.defaultLocale = "en_US.UTF-8";
+    i18n.extraLocaleSettings = {
+        LC_ADDRESS = "en_US.UTF-8";
+        LC_IDENTIFICATION = "en_US.UTF-8";
+        LC_MEASUREMENT = "en_US.UTF-8";
+        LC_MONETARY = "en_US.UTF-8";
+        LC_NAME = "en_US.UTF-8";
+        LC_NUMERIC = "en_US.UTF-8";
+        LC_PAPER = "en_US.UTF-8";
+        LC_TELEPHONE = "en_US.UTF-8";
+        LC_TIME = "en_US.UTF-8";
+    };
+}

hosts/laptop/modules/mounts.nix

@@ -0,0 +1,14 @@
+{ ... }:
+{
+    # Mount arch linux partition (encrypted with keyfile at NixOS /root/keyfiles/arch.key)
+    fileSystems."/mnt/arch" = {
+        device = "/dev/mapper/arch";
+        fsType = "btrfs";
+        encrypted = {
+            enable = true;
+            blkDev = "/dev/disk/by-uuid/60b6f21d-85b2-4d4b-90f4-38612138eeec";
+            keyFile = "/sysroot/root/keyfiles/arch.key";
+            label = "arch";
+        };
+    };
+}

hosts/laptop/modules/networking.nix

@@ -0,0 +1,20 @@
+{ ... }:
+{
+    networking.hostName = "ty-nixos";
+
+    # Enable firewall
+    networking.firewall.enable = true;
+    
+    # Enable NetworkManager
+    networking.networkmanager.enable = true;
+
+    # Tailscale overlay network configuration
+    services.tailscale = {
+        enable = true;
+        useRoutingFeatures = "both";
+        openFirewall = true;
+    };
+
+    # Network printing via CUPS
+    services.printing.enable = true;
+}

hosts/laptop/modules/nixpkgs.nix

@@ -0,0 +1,16 @@
+{ inputs, ... }:
+{
+    # Allow closed source packages (like nvida drivers or mozilla firefox binaries)
+    nixpkgs.config.allowUnfree = true;
+
+    # Add overlays
+    nixpkgs.overlays = [
+        # Used for Sugar Candy theme in SDDM
+        inputs.sddm-sugar-candy-nix.overlays.default
+    ];
+
+    # Allow electron 27.3.11 (for logseq)
+    nixpkgs.config.permittedInsecurePackages = [
+        "electron-27.3.11"
+    ];
+}

hosts/laptop/modules/nvidia.nix

@@ -0,0 +1,30 @@
+{ ... }:
+{
+    # Configure dual-gpu AMD+Nvidia
+    hardware.graphics.enable = true;
+    services.xserver.videoDrivers = ["nvidia" "amdgpu"];
+    hardware.nvidia = {
+        modesetting.enable = true;
+
+        # Experimental nvidia power management
+        powerManagement.enable = false;
+
+        # Experimentally turn off Nvidia GPU when not in use
+        powerManagement.finegrained = true;
+
+        open = false; # Open source module is still very much beta
+
+        nvidiaSettings = true;
+
+        # Configure dual-gpu offloading
+        prime = {
+            amdgpuBusId = "PCI:4:0:0";
+            nvidiaBusId = "PCI:1:0:0";
+
+            offload = {
+                enable = true;
+                enableOffloadCmd = true;
+            };
+        };
+    };
+}

hosts/laptop/modules/packages.nix

@@ -0,0 +1,39 @@
+{ pkgs, ... }:
+{
+    # Install system packages
+    environment.systemPackages = with pkgs; [
+        # Basic necessities
+        wget
+        curl
+        neovim
+        # VCS
+        git
+        jujutsu
+        # Misc
+        vimix-cursors # SDDM Cursor theme
+    ];
+    
+    # Install zsh
+    programs.zsh.enable = true;
+
+    # Manage default firefox web browser install
+    programs.firefox = {
+        enable = true;
+        preferences = {
+            # Disable bullshit
+            "browser.ml.chat.enabled" = false;
+            "browser.aboutConfig.showWarning" = false;
+            "extensions.pocket.enabled" = false;
+            "browser.newtabpage.activity-stream.showSponsored" = false;
+            "browser.newtabpage.activity-stream.showSponsoredTopSites" = false;
+            "browser.newtabpage.activity-stream.feeds.section.topstories" = false;
+            "browser.newtabpage.activity-stream.feeds.system.topstories" = false;
+            "browser.urlbar.suggest.quicksuggest.sponsored" = false;
+            # Spite chrome
+            "image.jxl.enabled" = true;
+            # Security
+            "security.pki.certificate_transparency.mode" = true;
+        };
+        preferencesStatus = "locked";
+    };
+}

hosts/laptop/modules/sound.nix

@@ -0,0 +1,13 @@
+{ ... }:
+{
+    # Disable pulseaudio
+    hardware.pulseaudio.enable = false;
+    security.rtkit.enable = true; # TODO Figure out what this does
+    # Enable pipewire with ALSA and PulseAudio compatibility
+    services.pipewire = {
+        enable = true;
+        alsa.enable = true;
+        alsa.support32Bit = true;
+        pulse.enable = true;
+    };
+}

hosts/laptop/modules/users.nix

@@ -0,0 +1,22 @@
+{ pkgs, ... }:
+{
+    # Make users fully declarative
+    users.mutableUsers = false;
+
+    # Set default shell to Zsh
+    users.defaultUserShell = pkgs.zsh;
+    users.users = {
+        # Main ty user
+        ty = {
+            isNormalUser = true;
+            useDefaultShell = true;
+            description = "Tyler Beckman";
+            extraGroups = [
+                "networkmanager" # Can manage networking
+                "wheel" # Can use sudo
+            ];
+            
+            hashedPassword = "$y$j9T$XCQtsX/NObNFzrYu7JcJe/$HHgvh4Re6UjKvxMz.XuHw7dwNecnMP8je.4AHUjHnsB";
+        };
+    };
+}