{
  description = "Amir's Home Manager";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
    home-manager = {
      url = "github:nix-community/home-manager/release-25.11";
    };
    unstable = {
      url = "github:NixOS/nixpkgs/nixos-unstable";
    };
    flake-utils = {
      url = "github:numtide/flake-utils";
    };
  };

  outputs = { self, nixpkgs, home-manager, unstable, flake-utils, ... }:
    let
      mkExtraArgs = system: {
        unstablePkgs = import unstable {
          inherit system;
          config.allowUnfree = false;
        };
        unfreePkgs = import nixpkgs {
          inherit system;
          config.allowUnfree = true;
        };
        unstableUnfreePkgs = import unstable {
          inherit system;
          config.allowUnfree = true;
        };
      };

      mkHostConfig = { hostname, system ? "aarch64-darwin" }: {
        pkgs = import nixpkgs {
          inherit system;
          config = {
            allowUnfree = false;
          };
        };
        modules = [ ./hosts/${hostname}/home.nix ];
        extraSpecialArgs = (mkExtraArgs system) // {
          inherit hostname;
          hmLib = home-manager.lib;
        };
      };
    in
    flake-utils.lib.eachDefaultSystem
      (system:
        let
          pkgs = import nixpkgs {
            inherit system;
            config = {
              allowUnfree = false;
            };
          };
        in
        {
          packages = {
            default = home-manager.packages.${system}.home-manager;
          };

          devShells.default = pkgs.mkShell {
            buildInputs = with pkgs; [
              #home-manager
              home-manager.packages.${system}.home-manager
              nixpkgs-fmt
            ];
          };
        }
      ) // {
      homeConfigurations = {
        mentat = home-manager.lib.homeManagerConfiguration (mkHostConfig { hostname = "mentat"; });
        gheshki = home-manager.lib.homeManagerConfiguration (mkHostConfig { hostname = "gheshki"; });
      };
    };
}