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Droidnix: A Dendritic NixOS + Home Manager Configuration NixOS Configuration Structure

Shortcuts
Introduction
- What is Droidnix
  - Installed components:
    - Core
    - Hyprland
    - Mangowc
  - Goals, project Structure, import hierarchy
Root Level
Generated Structure
The Assets Folder
The Actual Code
- flake.nix
First the nix-files that flake really needs and that do not fit wel in the hierarchical structure
Now we reach the top of the hierarchy which will call all other imports

Shortcuts

Introduction The Assets Folder The Actual Code

—

Introduction intro

What is Droidnix

Droidnix is a modular, declarative NixOS + Home Manager configuration system. It allows users to choose between Hyprland and Mangowc as their window manager, with shared and WM-specific configurations managed via Emacs Org and Nix Flakes. The project is designed for reproducibility, maintainability, and cross-machine compatibility.

Installed components:

Core

Hyprland

Mangowc

Goals, project Structure, import hierarchy

This project uses a modular NixOS configuration with Hyprland and MangoWC support, designed for literate programming and cross-device reusability. The Droidnix repository is organized into two main parts:

.assets/: Static, non-generated files (e.g., configs, scripts, themes).
Generated folders (common, hyprland, mangowc): NixOS and Home Manager configurations, generated from Org files.

Root Level

flake.nix is the entry point and imports:
- generated/system/
- generated/hyprland/
- generated/mangowc/
- Machine-specific configurations from assets/machines/

Generated Structure

The generated/ directory contains all generated configurations, divided into three main groups: system, hyprland, and mangowc.

System (`generated/system/`)

This directory contains system-wide configurations that are independent of the window manager.

Applications (`applications/`)

file_management/: Configurations for file managers and storage solutions.
gaming/: Settings for gaming-related software.
office_productivity/: Configurations for office software.
media_playback_editing/: Settings for media playback and editing software.
terminal_shell/: Configurations for terminal emulators and shells.

Development (`development/`)

databases/: Settings for local databases.
devops_ci_cd/: Configurations for DevOps tools.
programming_languages/: Settings for programming languages and their runtimes.
virtualization/: Configurations for virtualization and containerization tools.
web_development/: Settings for web development.

System Management (`system_management/`)

backups/: Settings for backup software.
bluetooth/: Configurations for Bluetooth devices and services.
power_management/: Settings for power management.
audio/: Configurations for audio.
hardware_sensors/: Settings for hardware monitoring.
logging_monitoring/: Configurations for system logging and monitoring.
login_manager/: Settings for the login manager.
monitor_setup/: Configurations for display settings.
networking/: Settings for networking.
printers_scanners/: Configurations for printers and scanners.
disk_management/: Settings for disk management.
security/: Security-related configurations.
system_updates/: Settings for system updates and package management.

Hyprland (`generated/hyprland/`)

This directory contains configurations specific to Hyprland.

animations_effects/: Settings for window animations and visual effects.
decorations/: Configurations for window decorations.
keyboard_binds/: Keyboard shortcuts for Hyprland.
notifications/: Settings for notifications.
statusbar_tray/: Configurations for the status bar and system tray.
task_launcher/: Settings for task launchers.
task_window_workspace_switcher/: Configurations for switching between windows and workspaces.
window_rules/: Rules for window behavior.

MangoWC (`generated/mangowc/`)

This directory contains configurations specific to MangoWC.

animations_effects/: Settings for animations and effects in MangoWC.
decorations/: Configurations for window decorations.
keyboard_binds/: Keyboard shortcuts for MangoWC.
notifications/: Settings for notifications.
statusbar_tray/: Configurations for the status bar and system tray.
task_launcher/: Settings for task launchers.
task_window_workspace_switcher/: Configurations for switching between windows and workspaces.
window_rules/: Rules for window behavior.

File Structure and Imports

Every top.nix file imports all .nix files in its directory.
Machine-specific configurations are stored in assets/machines/.
Themes and overrides are modular and reusable across setups.

Design Principles

Modularity: Each component is self-contained and reusable.
Consistency: Every directory follows the same import pattern.
Scalability: Easy to add new machines or configurations.

.
├── assets
│   ├── common
│   │   ├── conf
│   │   │   └── base.conf
│   │   ├── cursors
│   │   │   └── Bibata_Cursor-main
│   │   ├── emacs
│   │   │   └── setup_emacs.sh
│   │   ├── icons
│   │   │   └── papirus-icon-theme-master
│   │   ├── neovim
│   │   │   └── setup_nvim_literate_nixos.sh
│   │   ├── nixos_conf
│   │   │   └── wallpaperstuff
│   │   │       ├── pictures
│   │   │       └── videos
│   │   ├── scripts
│   │   │   ├── copy_stuff.sh
│   │   │   └── end_script.sh
│   │   └── themes
│   │       └── Catppuccin-Mocha-Standard-Blue-Dark
│   ├── copy_stuff
│   │   ├── Droidnix
│   │   │   ├── hypr
│   │   │   │   ├── conf.d
│   │   │   │   └── scripts
│   │   │   └── wallpaperstuff
│   │   │       ├── pictures
│   │   │       └── videos
│   │   └── kitty
│   │       ├── kitty.conf
│   │       └── themes
│   │           └── Catppuccin-Mocha.conf
│   ├── hyprland
│   │   ├── conf
│   │   ├── scripts
│   │   └── themes
│   ├── machines
│   │   ├── maindroid
│   │   └── traveldroid
│   │       ├── configuration.nix
│   │       ├── hardware-configuration.nix
│   │       └── home.nix
│   └── mangowc
│       ├── conf
│       ├── scripts
│       └── themes
├── generated
│   ├── hyprland
│   │   ├── animations_effects
│   │   │   ├── top.nix
│   │   │   └── placeholder.nix
│   │   ├── decorations
│   │   │   ├── top.nix
│   │   │   └── placeholder.nix
│   │   ├── keyboard_binds
│   │   │   ├── top.nix
│   │   │   └── placeholder.nix
│   │   ├── notifications
│   │   │   ├── top.nix
│   │   │   └── placeholder.nix
│   │   ├── statusbar_tray
│   │   │   ├── top.nix
│   │   │   └── placeholder.nix
│   │   ├── task_launcher
│   │   │   ├── top.nix
│   │   │   └── placeholder.nix
│   │   ├── task_window_workspace_switcher
│   │   │   ├── top.nix
│   │   │   └── placeholder.nix
│   │   └── window_rules
│   │       ├── top.nix
│   │       └── placeholder.nix
│   ├── mangowc
│   │   ├── animations_effects
│   │   │   ├── top.nix
│   │   │   └── placeholder.nix
│   │   ├── decorations
│   │   │   ├── top.nix
│   │   │   └── placeholder.nix
│   │   ├── keyboard_binds
│   │   │   ├── top.nix
│   │   │   └── placeholder.nix
│   │   ├── notifications
│   │   │   ├── top.nix
│   │   │   └── placeholder.nix
│   │   ├── statusbar_tray
│   │   │   ├── top.nix
│   │   │   └── placeholder.nix
│   │   ├── task_launcher
│   │   │   ├── top.nix
│   │   │   └── placeholder.nix
│   │   ├── task_window_workspace_switcher
│   │   │   ├── top.nix
│   │   │   └── placeholder.nix
│   │   └── window_rules
│   │       ├── top.nix
│   │       └── placeholder.nix
│   └── system
│       ├── applications
│       │   ├── file_management
│       │   │   ├── top.nix
│       │   │   └── placeholder.nix
│       │   ├── gaming
│       │   │   ├── top.nix
│       │   │   └── placeholder.nix
│       │   ├── office_productivity
│       │   │   ├── top.nix
│       │   │   └── placeholder.nix
│       │   ├── media_playback_editing
│       │   │   ├── top.nix
│       │   │   └── placeholder.nix
│       │   ├── terminal_shell
│       │   │   ├── top.nix
│       │   │   └── placeholder.nix
│       │   └── accessibility
│       │       ├── top.nix
│       │       └── placeholder.nix
│       ├── development
│       │   ├── databases
│       │   │   ├── top.nix
│       │   │   └── placeholder.nix
│       │   ├── devops_ci_cd
│       │   │   ├── top.nix
│       │   │   └── placeholder.nix
│       │   ├── programming_languages
│       │   │   ├── top.nix
│       │   │   └── placeholder.nix
│       │   ├── virtualization
│       │   │   ├── top.nix
│       │   │   └── placeholder.nix
│       │   └── web_development
│       │       ├── top.nix
│       │       └── placeholder.nix
│       └── system_management
│           ├── backups
│           │   ├── top.nix
│           │   └── placeholder.nix
│           ├── bluetooth
│           │   ├── top.nix
│           │   └── placeholder.nix
│           ├── power_management
│           │   ├── top.nix
│           │   └── placeholder.nix
│           ├── audio
│           │   ├── top.nix
│           │   └── placeholder.nix
│           ├── hardware_sensors
│           │   ├── top.nix
│           │   └── placeholder.nix
│           ├── logging_monitoring
│           │   ├── top.nix
│           │   └── placeholder.nix
│           ├── login_manager
│           │   ├── top.nix
│           │   └── placeholder.nix
│           ├── monitor_setup
│           │   ├── top.nix
│           │   └── placeholder.nix
│           ├── networking
│           │   ├── top.nix
│           │   └── placeholder.nix
│           ├── printers_scanners
│           │   ├── top.nix
│           │   └── placeholder.nix
│           ├── disk_management
│           │   ├── top.nix
│           │   └── placeholder.nix
│           ├── security
│           │   ├── top.nix
│           │   └── placeholder.nix
│           └── system_updates
│               ├── top.nix
│               └── placeholder.nix
├── flake.nix
├── README.html
└── README.org

First Setup

Clone this repository.
Run the setup script: ./setup_droidnix.sh.
Edit .assets/common/conf/base.conf to choose your window manager (wm = "hyprland" or wm = "mangowc").
Tangle this Org file to generate Nix configurations: C-c C-v t in Emacs or use this: emacs README.org --batch -f org-babel-tangle && emacs --batch --eval "(setq org-html-htmlize-output-type nil)" README.org -f org-html-export-to-html
Build and switch: sudo nixos-rebuild switch --flake .#<hostname>.

—

The Assets Folder assets

The .assets/ folder contains all static files, such as configs, scripts, and themes. These files are not generated and can be edited directly.

`.assets/common/`

This folder contains files shared across both window managers, such as wallpapers, shell configs, and common scripts.

conf/base.conf: Defines the window manager choice and other global settings.
scripts/: System-wide scripts (e.g., utilities, helpers).

`.assets/hyprland/`

Hyprland-specific assets, including configs, themes, and scripts.

conf/: Hyprland configuration files (e.g., hyprland.conf).
themes/: Hyprland-specific theme scripts.
scripts/: Hyprland-specific scripts.

`.assets/mangowc/`

Mangowc-specific assets, including configs, themes, and scripts.

conf/: Mangowc configuration files.
themes/: Mangowc-specific theme scripts.
scripts/: Mangowc-specific scripts.

`.assets/machines/`

Machine-specific NixOS configurations (e.g., configuration.nix for maindroid and traveldroid).

—

The Actual Code code

This section contains the Org blocks for tangling Nix code into the generated folders.

`flake.nix`

The Nix flake definition for Droidnix.

{
  description = "Droidnix: A dendritic NixOS + Home Manager configuration";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    emacs-overlay = {
      url = "github:nix-community/emacs-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    catppuccin = {
      url = "github:catppuccin/nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    zen-browser = {
      url = "github:youwen5/zen-browser-flake";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    hyprland.url = "github:hyprwm/Hyprland";
  };

  outputs =
    inputs@{
      nixpkgs,
      home-manager,
      emacs-overlay,
      catppuccin,
      zen-browser,
      hyprland,
      ...
    }:
    let
      lib = nixpkgs.lib;
      system = "x86_64-linux"; # Define the system explicitly
      user = import ./assets/flake/users/henrov.nix;
      machines = [
        "traveldroid"
        "maindroid"
      ];
    in
    {
      nixosConfigurations = lib.genAttrs machines (
        machine:
        lib.nixosSystem {
          inherit system;
          modules = [
            # Import machine-specific configurations
            ./assets/flake/machines/${machine}/top.nix

            # Home Manager and theme modules
            home-manager.nixosModules.home-manager
            {
              home-manager.useGlobalPkgs = true;
              home-manager.useUserPackages = true;
              home-manager.extraSpecialArgs = { inherit user inputs; flakeRoot = ./.;  };
            }
            inputs.catppuccin.nixosModules.catppuccin

            # Let's start importing the whole generated tree
            ./generated/top.nix
          ];
          specialArgs = { inherit user inputs; flakeRoot = ./.;  };
        }
      );

      devShells.${system}.default = import ./assets/flake/terminal_shell/devshell.nix {
        inherit (nixpkgs) mkShell;
      };
    };
}

First the nix-files that flake really needs and that do not fit wel in the hierarchical structure

`assets/flake/users/henrov.nix`

This is the default user, just search and replace henrov another name if you want to change

{
  username = "henrov";
  hashedPassword = "$6$ISAmsPLyFi7idYXr$VmZsq.zMsyh1irSkyDNqtorNXG0oEHbbMVqTii1t8bymvrQ5ZQmbdi4OiBNeNYe/huHGrojXM.3TST2fTLz0T.";
  homeDirectory = "/home/henrov";
  stateVersion = "25.11";
  locale = "nl_NL.UTF-8";
}

`assets/flake/terminal_shell/devshell.nix`

This code defines a Nix shell environment (also called a "devShell") that you can enter using the nix develop command. When you enter this shell, Nix will provide the tools and dependencies listed in buildInputs.

{ mkShell }:
mkShell {
  buildInputs = with import <nixpkgs> {}; [
    nil
    nixfmt-rfc-style
  ];
}

`assets/flake/machines/traveldroid/top.nix`

This code defines the machine to build. Just search and replace traveldroid to provision another machine.

{ config, pkgs, lib, user, inputs, flakeRoot,... }:

{
  imports = [
    ./boot.nix
    ./hardware-configuration.nix
  ];

  options = {
    wm = lib.mkOption {
      type = lib.types.str;
      default = "hyprland";
      description = "Type of window manager to use";
    };
  };

  config = {
    # Minimal settings that must be defined here
    networking.hostName = "traveldroid";
    wm.type = "hyprland";

    # User configuration
    users.users.${user.username} = {
      isNormalUser = true;
      extraGroups = [ "wheel" "networkmanager" ];
      hashedPassword = user.hashedPassword;
      home = user.homeDirectory;
    };

    # Optional: Enable auto-login for testing
    services.getty.autologinUser = user.username;
  };
}

`assets/flake/machines/traveldroid/boot.nix`

This file has most of the settings the control how the computer boots up.

{ pkgs, ... } :
{
  boot = {
  initrd = {
  verbose = false;   # its a lot of logs. dont need it, unless we do.
  kernelModules = [ ]; # no kernel modules on boot
  };

  extraModulePackages = [ ];       # no extra packages on boot either
  kernelPackages = pkgs.linuxPackages_latest;  # latest greatest linux kernel
  kernelParams = [ "silent" ];       # quiet those logs

  consoleLogLevel = 0;         # quiten more logs
  plymouth.enable = true;        # graphical boot animation instead

  supportedFilesystems = [ "ntfs" ];     # should see the ntfs (windows)

  loader = {
  systemd-boot.enable = true;      # systemd-boot
  systemd-boot.configurationLimit = 10;
  efi.canTouchEfiVariables = true;     # allow editing efi to edit the boot loader
  timeout = 5;           # grub timeout to make a selection
  };
  };
}

Now we reach the top of the hierarchy which will call all other imports

`generated/top.nix`

The ./generated/top.nix file acts as an anchor or entry point for the entire chain of imports in the pyramid structure.

{ config, pkgs, lib, ... }:
{
  imports = [
    ./system/top.nix
    ./hyprland/top.nix
    # ./mangowc/top.nix
  ];
}