{
  description = "Home Manager configuration of acicchetti";

  inputs = {
    # Specify the source of Home Manager and Nixpkgs.
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    devenv = {
      url = "github:cachix/devenv/latest";
    };
    nix-index-database = {
      url = "github:Mic92/nix-index-database";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nixneovim = {
      url = "github:nixneovim/nixneovim";
    };
  };

  outputs = {
    self,
    nixpkgs,
    home-manager,
    devenv,
    nix-index-database,
    nixneovim,
    ...
  }: let
    inherit (nixpkgs.lib) optionalAttrs singleton optionals;
    supportedSystems = ["aarch64-darwin" "x86_64-linux"];
    forAllSystems = nixpkgs.lib.genAttrs supportedSystems;

    pkgs = forAllSystems (
      system:
        import nixpkgs {
          inherit system;
          # overlays = overlays;
          config = {allowUnfree = true;};
          overlays = [nixneovim.overlays.default];
        }
    );

    homeManagerConfigs = forAllSystems (
      system: {
        pkgs = pkgs."${system}";
        modules = [
          {
            imports = [nixneovim.nixosModules.default];
            home.packages = [devenv.packages."${system}".devenv];
          }
          nix-index-database.hmModules.nix-index
          ./home.nix
        ];

        extraSpecialArgs = {
          system = system;
        };
      }
    );
  in {
    # formatter."${system}" = pkgs.alejandra;
    homeConfigurations.aarch64-darwin-acicchetti = home-manager.lib.homeManagerConfiguration homeManagerConfigs."aarch64-darwin";
    homeConfigurations.x86_64-linux-acicchetti = home-manager.lib.homeManagerConfiguration homeManagerConfigs."x86_64-linux";

    defaultPackage.aarch64-darwin = self.homeConfigurations.aarch64-darwin-acicchetti.activationPackage;
    defaultPackage.x86_64-linux = self.homeConfigurations.x86_64-linux-acicchetti.activationPackage;
  };
}