flake.nix

{
  description = "NixOS configuration";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    systems.url = "github:nix-systems/default";
    flake-compat.url = "github:edolstra/flake-compat";
    flake-utils = {
      url = "github:numtide/flake-utils";
      inputs.systems.follows = "systems";
    };
    gitignore = {
      url = "github:hercules-ci/gitignore.nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    git-hooks = {
      url = "github:cachix/git-hooks.nix";
      inputs.flake-compat.follows = "flake-compat";
      inputs.gitignore.follows = "gitignore";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.nixpkgs-stable.follows = "nixpkgs";
    };
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    hyprland = {
      url = "github:hyprwm/hyprland";
      # Do not override Hyprland’s nixpkgs input unless you know what you are doing.
      # Doing so will make the cache useless, since you’re building from a different Nixpkgs commit.
      # inputs.nixpkgs.follows = "nixpkgs";
      # inputs.systems.follows = "systems";
      # inputs.pre-commit-hooks.follows = "git-hooks";
    };
    iio-hyprland = {
      url = "github:JeanSchoeller/iio-hyprland";
    };
    hyprgrass = {
      url = "github:horriblename/hyprgrass";
      inputs.hyprland.follows = "hyprland";
    };
    firefox-addons = {
      url = "gitlab:rycee/nur-expressions?dir=pkgs/firefox-addons";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.flake-utils.follows = "flake-utils";
    };
    nixos-hardware.url = "github:NixOS/nixos-hardware/master";
    treefmt-nix = {
      url = "github:numtide/treefmt-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    search = {
      url = "github:nuschtos/search";
      inputs.flake-utils.follows = "flake-utils";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nixvim = {
      url = "github:nix-community/nixvim";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.home-manager.follows = "home-manager";
      inputs.flake-compat.follows = "flake-compat";
      inputs.devshell.follows = "devshell";
      inputs.treefmt-nix.follows = "treefmt-nix";
      inputs.git-hooks.follows = "git-hooks";
      inputs.nuschtosSearch.follows = "search";
    };
    disko = {
      url = "github:nix-community/disko";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    devshell = {
      url = "github:numtide/devshell";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    stylix = {
      url = "github:danth/stylix";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.home-manager.follows = "home-manager";
      inputs.flake-compat.follows = "flake-compat";
      inputs.flake-utils.follows = "flake-utils";
      inputs.systems.follows = "systems";
    };
  };

  outputs =
    inputs@{
      self,
      nixpkgs,
      systems,
      treefmt-nix,
      ...
    }:
    let
      system = "x86_64-linux";
      user = "david";
      pkgs = import nixpkgs {
        inherit system;
        config.allowUnfree = true;
      };
      inherit (nixpkgs) lib;

      # Small tool to iterate over each systems
      eachSystem = f: nixpkgs.lib.genAttrs (import systems) (system: f nixpkgs.legacyPackages.${system});
      # Eval the treefmt modules from ./treefmt.nix
      treefmtEval = eachSystem (pkgs: treefmt-nix.lib.evalModule pkgs ./treefmt.nix);
    in
    {
      # for `nix fmt`
      formatter = eachSystem (pkgs: treefmtEval.${pkgs.system}.config.build.wrapper);
      # for `nix flake check`
      checks = eachSystem (pkgs: {
        formatting = treefmtEval.${pkgs.system}.config.build.check self;
      });
      nixosConfigurations = import ./hosts {
        inherit
          lib
          inputs
          pkgs
          user
          system
          ;
      };
    };
}