Install nh and friends, modularize nixos conf.

hosts/nixos/configuration.nix

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+{
+  inputs,
+  pkgs,
+  ...
+}: {
+  imports = [
+    # Include the results of the hardware scan.
+    ./hardware-configuration.nix
+    inputs.home-manager.nixosModules.home-manager
+  ];
+
+  # Bootloader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  # Get nicer hostname
+  networking.hostName = "nixos"; # Define your hostname.
+
+  # Enable flakes
+  nix.settings.experimental-features = ["nix-command" "flakes"];
+
+  # Setup gpu
+  hardware.graphics = {
+    enable = true;
+    enable32Bit = true;
+  };
+
+  # Enable networking
+  networking.networkmanager.enable = true;
+
+  # Set your time zone.
+  time.timeZone = "Europe/Zagreb";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "hr_HR.UTF-8";
+    LC_IDENTIFICATION = "hr_HR.UTF-8";
+    LC_MEASUREMENT = "hr_HR.UTF-8";
+    LC_MONETARY = "hr_HR.UTF-8";
+    LC_NAME = "hr_HR.UTF-8";
+    LC_NUMERIC = "hr_HR.UTF-8";
+    LC_PAPER = "hr_HR.UTF-8";
+    LC_TELEPHONE = "hr_HR.UTF-8";
+    LC_TIME = "hr_HR.UTF-8";
+  };
+
+  # Enable the X11 windowing system.
+  services.xserver.enable = true;
+
+  # Configure keymap in X11
+  services.xserver.xkb = {
+    layout = "us";
+    variant = "";
+    options = "caps:escape";
+  };
+
+  # Enable sound with pipewire.
+  services.pulseaudio.enable = false;
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+  };
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.crony = {
+    isNormalUser = true;
+    description = "Crony";
+    extraGroups = ["networkmanager" "wheel" "video" "input" "audio" "libvirtd"];
+  };
+
+  # Setup home manager
+  home-manager = {
+    extraSpecialArgs = {inherit inputs;};
+    backupFileExtension = "backup";
+    users = {
+      crony = import ./home.nix;
+    };
+  };
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # List packages installed in system profile
+  environment.systemPackages = with pkgs; [
+    neovim
+    mangohud
+  ];
+
+  # Enable nixd to see nixpkgs path
+  nix.nixPath = ["nixpkgs=${inputs.nixpkgs}"];
+
+  # Enable zram swap device
+  zramSwap.enable = true;
+
+  # Nfs share
+  fileSystems."/mnt/share" = {
+    device = "192.168.0.4:/mnt/nfs";
+    fsType = "nfs";
+  };
+
+  # DO NOT CHANGE
+  system.stateVersion = "24.11";
+}

hosts/nixos/hardware-configuration.nix

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+# 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" "ahci" "usbhid" "usb_storage" "sd_mod"];
+  boot.initrd.kernelModules = [];
+  boot.kernelModules = ["kvm-amd"];
+  boot.extraModulePackages = [];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/0fbf752d-9234-42bd-9e04-8246de85e8d6";
+    fsType = "ext4";
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/3156-31B6";
+    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.enp3s0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp4s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

hosts/nixos/home.nix

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+{
+  config,
+  pkgs,
+  inputs,
+  ...
+}: {
+  imports = [inputs.nvf.homeManagerModules.default];
+
+  # Some info
+  home.username = "crony";
+  home.homeDirectory = "/home/crony";
+
+  # PACKAGES
+  home.packages = with pkgs; [
+    librewolf
+    thunderbird
+    qbittorrent
+    alejandra
+    keepassxc
+    restic
+    age
+    nh
+    nix-output-monitor
+    nvd
+  ];
+
+  # Enable programs to get their themes
+  programs.foot.enable = true;
+
+  # Setup nice view for mangohud
+  programs.mangohud = {
+    enable = true;
+    settings = {
+      fps_limit = "0,30,60,120,144";
+      gpu_stats = true;
+      gpu_temp = true;
+      gpu_core_clock = true;
+      gpu_power = true;
+      gpu_text = "GPU";
+      gpu_load_change = true;
+
+      cpu_stats = true;
+      cpu_temps = true;
+      cpu_text = "CPU";
+      cpu_mhz = true;
+      cpu_load_change = true;
+
+      vram = true;
+      ram = true;
+
+      fps = true;
+      fps_sampling_period = "1000";
+      fps_color_change = true;
+      gpu_name = true;
+      vulka_driver = true;
+      round_corder = "10";
+      offset_x = "10";
+      offset_y = "10";
+
+      width = "250";
+    };
+  };
+
+  # Enable theming chromium + use ungoogled chromium package
+  programs.chromium = {
+    enable = true;
+    package = pkgs.ungoogled-chromium;
+  };
+
+  # Enable git
+  programs.git = {
+    enable = true;
+    userName = "Crony Akatsuki";
+    userEmail = "crony@cronyakatsuki.xyz";
+  };
+
+  # Setup neovim
+  programs.nvf = {
+    enable = true;
+    settings = {
+      vim = {
+        # Enable the aliases, I love them
+        viAlias = true;
+        vimAlias = true;
+
+        # Changing some basic settings
+        options = {
+          tabstop = 2;
+          shiftwidth = 2;
+          updatetime = 50;
+        };
+
+        # Enable the undo file
+        undoFile = {
+          enable = true;
+        };
+
+        binds = {
+          # Setup whichkey
+          whichKey.enable = true;
+        };
+
+        # Enable gitsings
+        git.gitsigns = {
+          enable = true;
+        };
+
+        # Enable lsp
+        lsp = {
+          enable = true;
+          lspkind.enable = true;
+        };
+
+        # Setup the theme
+        theme = {
+          enable = true;
+          name = "gruvbox";
+          style = "dark";
+        };
+
+        # Setup lsp's and languages
+        languages = {
+          enableLSP = true;
+          enableTreesitter = true;
+          enableFormat = true;
+
+          nix = {
+            enable = true;
+          };
+          bash.enable = true;
+          go.enable = true;
+          markdown = {
+            enable = true;
+            extensions.render-markdown-nvim.enable = true;
+          };
+        };
+
+        # Enable mini modules ( mini is amazing )
+        mini = {
+          statusline.enable = true;
+          comment.enable = true;
+          notify.enable = true;
+          surround.enable = true;
+          diff.enable = true;
+          pairs.enable = true;
+          indentscope.enable = true;
+          bufremove.enable = true;
+          git.enable = true;
+        };
+
+        # Use telescope
+        telescope.enable = true;
+
+        # Enable autocompletion
+        autocomplete.nvim-cmp = {
+          enable = true;
+
+          mappings = {
+            close = null;
+            complete = null;
+            confirm = "<C-l>";
+            next = "<C-j>";
+            previous = "<C-k>";
+          };
+        };
+      };
+    };
+  };
+
+  # Enable syncthing
+  services.syncthing.enable = true;
+
+  # Setup zsh
+  programs.zsh = {
+    enable = true;
+    enableCompletion = true;
+    autosuggestion.enable = true;
+    historySubstringSearch.enable = true;
+
+    dotDir = ".config/zsh";
+
+    initExtra = ''
+      # VI Mode escape timeout fix
+      export KEYTIMEOUT=1
+
+      # Substring search settings
+      export HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND="bg=blue,fg=black,bold"
+      export HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND='bg=red,fg=black,bold'
+      bindkey -M vicmd 'k' history-substring-search-up
+      bindkey -M vicmd 'j' history-substring-search-down
+    '';
+
+    zplug = {
+      enable = true;
+      plugins = [
+        {name = "zap-zsh/supercharge";}
+        {name = "zap-zsh/completions";}
+        {name = "zap-zsh/vim";}
+        {name = "chivalryq/git-alias";}
+        {name = "zdharma-continuum/fast-syntax-highlighting";}
+        {name = "zsh-users/zsh-history-substring-search";}
+        {name = "MichaelAquilina/zsh-you-should-use";}
+      ];
+    };
+  };
+
+  # Install fzf
+  programs.fzf = {
+    enable = true;
+    enableZshIntegration = true;
+  };
+
+  # Install starship
+  programs.starship = {
+    enable = true;
+    enableZshIntegration = true;
+    settings = {
+      add_newline = false;
+    };
+  };
+
+  # Install zoxide
+  programs.zoxide = {
+    enable = true;
+    enableZshIntegration = true;
+  };
+
+  # Install eza
+  programs.eza = {
+    enable = true;
+    enableZshIntegration = true;
+    git = true;
+    icons = true;
+  };
+
+  # Install direnv
+  programs.direnv = {
+    enable = true;
+    enableZshIntegration = true;
+    nix-direnv.enable = true;
+  };
+
+  # Default environmental variables
+  home.sessionVariables = {
+    EDITOR = "nvim";
+    FLAKE = "/home/crony/Repos/nixos";
+  };
+
+  # Let Home Manager install and manage itself.
+  programs.home-manager.enable = true;
+
+  # Fix gtkrc-2.0 collision
+  home.file."/home/crony/.gtkrc-2.0".force = true;
+
+  # DO NOT CHANGE ALSO
+  home.stateVersion = "24.11"; # Please read the comment before changing.
+}