flake.nix

{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.11";
    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    home-manager = {
      url = "github:nix-community/home-manager/release-24.11";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = inputs@{ self, nixpkgs, nixpkgs-unstable, home-manager, ... }:
    let
      system = "x86_64-linux";
      overlay-unstable = final: prev: {
        #unstable = nixpkgs-unstable.legacyPackages.${prev.system};
        # use this variant if unfree packages are needed:
        unstable = import nixpkgs-unstable {
          inherit system;
          config.allowUnfree = true;
        };
      };
    in
    {
      nixosConfigurations = {
        EVA-01 = nixpkgs.lib.nixosSystem {
          system = system;
          modules = [
            ({networking.hostName = "EVA-01";})
            ({ config, pkgs, ... }: {
              nixpkgs.overlays = [
                overlay-unstable
              ];
            })
            #./module/virtualisation
            ./configuration.nix
            #(nixpkgs + "/nixos/modules/profiles/hardened.nix")
            ./module/thinkpad.nix
            ./module/eva01-hardware-configuration.nix
          ];
          
        };
        EVA-02 = nixpkgs.lib.nixosSystem {
          system = system;
          modules = [
            ({networking.hostName = "EVA-02";})
            ({ config, pkgs, ... }: {
              nixpkgs.overlays = [
                overlay-unstable
              ];
            })
            #./module/virtualisation
            ./configuration.nix
            home-manager.nixosModules.home-manager
            {
              home-manager.useGlobalPkgs = true;
              home-manager.useUserPackages = true;
              home-manager.backupFileExtension = "backup";
              home-manager.users.master-x = import ./home/home.nix;
            }
            #(nixpkgs + "/nixos/modules/profiles/hardened.nix")
            ./module/eva02-hardware-configuration.nix
            #./module/gns3
            #./module/games
          ];
        };
      };
    };
}