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Conventions for writing NixOS and Home Manager modules in the NyxOS Dendritic flake-parts repository. Load before touching any .nix file.
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| name | nix-module |
| description | Conventions for writing NixOS and Home Manager modules in the NyxOS Dendritic flake-parts repository. Load before touching any .nix file. |
| compatibility | opencode |
modules/<camelCase>.nixmodules/hosts/<camelCase>.nixflake.nix is auto-generated — never edit. Add inputs only in flake-file.inputs blocks.{ inputs, ... }: (use { ... }: when no inputs needed)flake-file.inputs = {
some-input.url = "github:owner/repo";
some-input.inputs.nixpkgs.follows = "nixpkgs"; # always required
};
After adding/changing inputs, run regenerate (nix run ~/NyxOS#write-flake).
flake.modules.nixos.<kebab-case>flake.modules.homeManager.<kebab-case># System Module <name>: <description>
# Home Module <name>: <description>
Declared in modules/hosts/<camelCase>.nix as flake.nixosConfigurations.<PascalCase>.
| Host | Arch | Notes |
|---|---|---|
| EliasPC | x86_64-linux | Intel + AMD GPU, desktop, distributed-builder |
| EliasLaptop | x86_64-linux | Intel + NVIDIA GPU, isMobile = true |
| FredPC | x86_64-linux | KDE, German locale |
| NixPi | aarch64-linux | Raspberry Pi, no desktop |
pkgs → nixos-unstable (default)pkgs-stable → nixos-25.11 (via specialArgs; use only for packages that break on unstable, e.g. libreoffice, kdenlive)# let bindings before attrset body
let myPkg = pkgs.foo.override { bar = true; }; in
{
environment.systemPackages = with pkgs; [ pkg1 pkg2 ];
boot.binfmt.emulatedSystems = lib.mkIf (system == "x86_64-linux") [ "aarch64-linux" ];
some.option = lib.mkDefault "value";
other.option = lib.mkForce "override";
}
specialArgs / extraSpecialArgs, not optionsconfig.home.homeDirectory, never /home/elias or ~lib.mkIf (system == "x86_64-linux") { ... }imports = with inputs.self.modules.nixos; [ foo bar ];| Item | Convention |
|---|---|
| Module files | camelCase.nix |
| NixOS / HM module names | kebab-case |
nixosConfigurations keys | PascalCase |
let variables | camelCase |
nixpkgs-fmt <file>.nix # format single file
nixpkgs-fmt . # format all
Do not build or run flake check! Building is reserved for the developer, except when explicitly requested.
Use only the LSP for checking.
mcp-nixos — NixOS/HM option lookup, package search, nixpkgs attributes. Prefer this for anything Nix-ecosystem.context7 — upstream library docs, non-NixOS API references.