refactor!: restructure and document configuration

shared/nixos/common.nix

@@ -0,0 +1,70 @@
+{ pkgs, nixpkgs, ... }:
+
+{
+  # Enable experimental features
+  nix.settings.experimental-features = [
+    "nix-command"
+    "flakes"
+  ];
+
+  # Optimize storage
+  nix.optimise.automatic = true;
+  nix.settings.auto-optimise-store = true;
+
+  # Pin the nix registry
+  nix.registry = {
+    nixpkgs.flake = nixpkgs;
+  };
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # Enable nh, a bundle of CLI utilities for NixOS
+  programs.nh = {
+    enable = true;
+
+    # Enable automatic garbage collection.
+    clean.enable = true;
+    clean.dates = "daily";
+    clean.extraArgs = "--keep-since 4d --keep 3";
+
+    flake = "/home/wizardlink/.system";
+  };
+
+  # Enable flatpak to all users.
+  services.flatpak.enable = true;
+
+  environment.systemPackages = with pkgs; [
+    ## Tools
+    # Utilities
+    bat
+    duf
+    fuseiso
+    lm_sensors
+    p7zip
+    tree
+    unrar
+    unzip
+    wget
+    zip
+
+    # File managing
+    sshfs
+    yazi
+
+    # Networking
+    gping
+    nmap
+
+    # Processes
+    (btop.override {
+      # AMD GPU support
+      rocmSupport = true;
+    })
+    killall
+
+    # Filter
+    fzf
+    ripgrep
+  ];
+}

shared/nixos/default.nix

@@ -0,0 +1,12 @@
+{ ... }:
+
+{
+  imports = [
+    ./common.nix
+    ./desktop.nix
+    ./gaming.nix
+    ./hardware.nix
+    ./system.nix
+    ./virtualization.nix
+  ];
+}

shared/nixos/desktop.nix

@@ -0,0 +1,109 @@
+{
+  pkgs,
+  ...
+}:
+
+{
+  # Enable SDDM.
+  services.displayManager.sddm = {
+    enable = true;
+    wayland.enable = true;
+    theme = "catppuccin-frappe";
+    package = pkgs.kdePackages.sddm;
+  };
+
+  # Enable XDG Desktop Portals.
+  xdg.portal = {
+    enable = true;
+
+    config = {
+      common = {
+        default = [ "wlr" ];
+      };
+    };
+  };
+
+  # Needed for home-manager
+  environment.pathsToLink = [
+    "/share/xdg-desktop-portal"
+    "/share/applications"
+  ];
+
+  # Enable OpenGL.
+  hardware.graphics = {
+    enable = true;
+    enable32Bit = true;
+
+    extraPackages = with pkgs; [
+      rocmPackages.clr.icd # OpenGL hwa
+    ];
+  };
+
+  # Set the default fonts for the system.
+  fonts.fontconfig = {
+    defaultFonts = {
+      serif = [ "IBM Plex Serif" ];
+      sansSerif = [ "IBM Plex Sans" ];
+      monospace = [ "IBM Plex Mono" ];
+    };
+  };
+
+  # Enable Thunar and it's dependencies
+  programs.thunar = {
+    enable = true;
+    plugins = with pkgs.xfce; [ thunar-archive-plugin ];
+  };
+  programs.xfconf.enable = true; # For configuring
+  services.gvfs.enable = true; # For mounting drives, trash, etc.
+  services.tumbler.enable = true; # Thumbnail support
+
+  # Enable KDEConnect
+  programs.kdeconnect = {
+    enable = true;
+    package = pkgs.kdePackages.kdeconnect-kde;
+  };
+
+  # Enable the Fcitx5 IME
+  i18n.inputMethod = {
+    enable = true;
+    type = "fcitx5";
+
+    fcitx5 = {
+      addons = with pkgs; [
+        fcitx5-mozc
+        fcitx5-gtk
+        fcitx5-catppuccin
+      ];
+
+      quickPhrase = {
+        proud = "<(￣︶￣)>";
+      };
+
+      waylandFrontend = true;
+    };
+  };
+
+  environment.sessionVariables = {
+    # Set env for Fcitx5
+    QMODIFIERS = "@im=fcitx5";
+  };
+
+  environment.systemPackages = with pkgs; [
+    wl-clipboard
+    xclip
+    zoxide
+    (catppuccin-sddm.override # So SDDM finds the theme files.
+      {
+        flavor = "frappe";
+        font = "IBM Plex Sans";
+        fontSize = "11";
+        background = "${../../assets/sddm/Background.jpg}";
+        loginBackground = true;
+      }
+    )
+
+    ## Libraries
+    libsForQt5.qt5.qtgraphicaleffects
+    libsForQt5.qt5.qtquickcontrols2
+  ];
+}

shared/nixos/gaming.nix

@@ -0,0 +1,28 @@
+{ pkgs, ... }:
+
+{
+  # Enable Steam.
+  programs.steam = {
+    enable = true;
+
+    remotePlay.openFirewall = true;
+    localNetworkGameTransfers.openFirewall = true;
+    # ^ Enables so we can transfer games to other computers in the network.
+
+    # Add Proton-GE to 'compatibilitytools.d'.
+    extraCompatPackages = with pkgs; [ proton-ge-bin ];
+  };
+
+  # Enable and configure gamemode.
+  programs.gamemode = {
+    enable = true;
+    enableRenice = true;
+    settings = {
+      gpu = {
+        apply_gpu_optimisations = "accept-responsibility";
+        gpu_device = 1;
+        amd_performance_level = "auto";
+      };
+    };
+  };
+}

shared/nixos/hardware.nix

@@ -0,0 +1,18 @@
+{ ... }:
+
+{
+  # Add AMD drivers
+  boot.initrd.kernelModules = [
+    "amdgpu"
+  ];
+
+  # Enable Bluetooth
+  hardware.bluetooth = {
+    enable = true;
+    powerOnBoot = true;
+  };
+  services.blueman.enable = true;
+
+  # Enable fstrim for better ssd lifespan
+  services.fstrim.enable = true;
+}

shared/nixos/system.nix

@@ -0,0 +1,84 @@
+{ pkgs, config, ... }:
+
+{
+  # Kernel
+  boot.kernelPackages = pkgs.linuxPackages_zen;
+
+  boot.initrd.kernelModules = [
+    "v4l2loopback"
+    "zenergy"
+  ];
+
+  boot.extraModulePackages = [
+    config.boot.kernelPackages.v4l2loopback
+    config.boot.kernelPackages.zenergy # Allows fetching power draw information on AMD CPUs
+  ];
+
+  # Configure v4l2loopback
+  boot.extraModprobeConfig = ''
+    options v4l2loopback devices=1 video_nr=1 card_label="Virtual camera" exclusive_caps=1
+  '';
+
+  # Bootloader.
+  boot.loader = {
+    systemd-boot = {
+      enable = true;
+      configurationLimit = 10;
+    };
+
+    efi.canTouchEfiVariables = true;
+  };
+
+  # Enables zram.
+  zramSwap.enable = true;
+
+  # Enable networking
+  networking.networkmanager.enable = true;
+
+  # Enable sound with pipewire.
+  services.pulseaudio.enable = false;
+  services.pipewire = {
+    enable = true;
+    audio.enable = true;
+
+    alsa.enable = true;
+    alsa.support32Bit = true;
+
+    pulse.enable = true;
+  };
+
+  # Enable fish system-wide to integrate with nixpkgs.
+  programs.fish.enable = true;
+
+  # Set fish as the default shell for all users.
+  users.defaultUserShell = pkgs.fish;
+
+  # Enable CUPS to print documents.
+  services.printing.enable = true;
+
+  # Enable the OpenSSH daemon.
+  services.openssh = {
+    enable = true;
+
+    settings = {
+      PasswordAuthentication = false;
+      PermitRootLogin = "no";
+      StreamLocalBindUnlink = "yes";
+    };
+  };
+
+  # Enable GPG.
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+  };
+
+  # Enable polkit,
+  security.polkit.enable = true;
+
+  # install an agent to interface with it,
+  environment.systemPackages = with pkgs; [ polkit_gnome ];
+
+  # And enable GNOME keyring for registering keys.
+  services.gnome.gnome-keyring.enable = true;
+}

shared/nixos/virtualization.nix

@@ -0,0 +1,18 @@
+{ pkgs, ... }:
+
+{
+  # Enable Docker.
+  virtualisation.docker.enable = true;
+
+  # Enable virt-manager
+  programs.virt-manager.enable = true;
+
+  # Enable virtd and spice USB redirection
+  virtualisation.spiceUSBRedirection.enable = true;
+  virtualisation.libvirtd.enable = true;
+
+  environment.systemPackages = with pkgs; [
+    docker-compose
+    quickemu
+  ];
+}