{
  description = "nix begat oizys";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
    nixpkgs-wayland.url = "github:nix-community/nixpkgs-wayland";
    nixpkgs-wayland.inputs.nixpkgs.follows = "nixpkgs";
    nixpkgs-wayland.inputs.nix-eval-jobs.follows = "nix-eval-jobs";
    nix-eval-jobs.url = "github:nix-community/nix-eval-jobs";
    nix-eval-jobs.inputs.nixpkgs.follows = "nixpkgs";
    hyprland.url = "github:hyprwm/Hyprland/main";
    hyprland.inputs.nixpkgs.follows = "nixpkgs";
    hyprland-contrib.url = "github:hyprwm/contrib";
    hyprland-contrib.inputs.nixpkgs.follows = "nixpkgs";
    # need unreleased version for wayland issue
    wezterm.url = "github:wez/wezterm?dir=nix";
    wezterm.inputs.nixpkgs.follows = "nixpkgs";
  };

  nixConfig = {
    extra-substituters = [
      "https://hyprland.cachix.org"
      "https://nixpkgs-wayland.cachix.org"
      "https://daylin.cachix.org"
    ];
    extra-trusted-public-keys = [
      "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
      "nixpkgs-wayland.cachix.org-1:3lwxaILxMRkVhehr5StQprHdEo4IrE8sRho9R9HOLYA="
      "daylin.cachix.org-1:fLdSnbhKjtOVea6H9KqXeir+PyhO+sDSPhEW66ClE/k="
    ];
  };
  outputs = inputs @ {
    self,
    nixpkgs,
    ...
  }: let
    lib = import ./lib {inherit inputs nixpkgs;};
    inherit (lib) findModules mapHosts buildOizys;
  in {
    nixosModules = findModules ./modules;
    nixosConfigurations = mapHosts ./hosts;
    packages = buildOizys {};
  };
}