{
  description = "getchoo's flake for system configurations";

  nixConfig = {
    extra-substituters = ["https://cache.garnix.io"];
    extra-trusted-public-keys = ["cache.garnix.io:CTFPyKSLcx5RMJKfLo5EEPUObbA78b0YQ2DTCJXqr9g="];
  };

  outputs = inputs: let
    inherit ((import ./modules/flake).flake) flakeModules;
  in
    inputs.flake-parts.lib.mkFlake {inherit inputs;} {
      imports = [
        ./lib
        ./modules
        ./overlay
        ./systems
        ./users

        ./repo # checks, ci, devShells, etc.
        ./ext # nix expressions for *external*, not so nix-y things

        inputs.pre-commit.flakeModule

        # dogfooding
        flakeModules.configurations
        flakeModules.terranix
      ];

      systems = [
        "x86_64-linux"
        "aarch64-linux"
        "x86_64-darwin"
        "aarch64-darwin"
      ];
    };

  inputs = {
    nixpkgs.url = "nixpkgs/nixos-unstable";
    nixpkgs-stable.url = "nixpkgs/nixos-23.11";
    darwin = {
      url = "github:LnL7/nix-darwin/";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    flake-parts = {
      url = "github:hercules-ci/flake-parts";
      inputs.nixpkgs-lib.follows = "nixpkgs";
    };

    agenix = {
      url = "github:ryantm/agenix";
      inputs = {
        nixpkgs.follows = "nixpkgs";
        darwin.follows = "";
        home-manager.follows = "";
      };
    };

    arkenfox = {
      url = "github:dwarfmaster/arkenfox-nixos";
      inputs = {
        nixpkgs.follows = "nixpkgs";
        flake-compat.follows = "";
        pre-commit.follows = "";
        flake-utils.follows = "pre-commit/flake-utils";
      };
    };

    catppuccin.url = "github:Stonks3141/ctp-nix";

    deploy = {
      url = "github:serokell/deploy-rs";
      inputs = {
        nixpkgs.follows = "nixpkgs";
        flake-compat.follows = "";
        utils.follows = "pre-commit/flake-utils";
      };
    };

    firefox-addons = {
      url = "sourcehut:~rycee/nur-expressions?dir=pkgs/firefox-addons";
      inputs = {
        nixpkgs.follows = "nixpkgs";
        flake-utils.follows = "pre-commit/flake-utils";
      };
    };

    getchvim = {
      url = "github:getchoo/getchvim";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    lanzaboote = {
      url = "github:nix-community/lanzaboote";
      inputs = {
        nixpkgs.follows = "nixpkgs";
        flake-compat.follows = "";
        flake-parts.follows = "flake-parts";
        flake-utils.follows = "pre-commit/flake-utils";
        pre-commit-hooks-nix.follows = "pre-commit";
      };
    };

    nix-index-database = {
      url = "github:nix-community/nix-index-database";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    nixos-hardware.url = "github:NixOS/nixos-hardware";

    nixos-wsl = {
      url = "github:nix-community/NixOS-WSL";
      inputs = {
        nixpkgs.follows = "nixpkgs";
        flake-compat.follows = "";
        flake-utils.follows = "pre-commit/flake-utils";
      };
    };

    nu-scripts = {
      url = "github:nushell/nu_scripts";
      flake = false;
    };

    openwrt-imagebuilder = {
      url = "github:astro/nix-openwrt-imagebuilder";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    pre-commit = {
      url = "github:cachix/pre-commit-hooks.nix";
      inputs = {
        nixpkgs.follows = "nixpkgs";
        nixpkgs-stable.follows = "nixpkgs";
      };
    };

    teawiebot = {
      url = "github:getchoo/teawiebot";
      inputs = {
        nixpkgs.follows = "nixpkgs";
        parts.follows = "flake-parts";
        pre-commit.follows = "pre-commit";
      };
    };

    terranix = {
      url = "github:terranix/terranix";
      inputs = {
        nixpkgs.follows = "nixpkgs";
        flake-utils.follows = "pre-commit/flake-utils";
        terranix-examples.follows = "";
        bats-support.follows = "";
        bats-assert.follows = "";
      };
    };
  };
}