{
  description = "hms' nixos configuration";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.11";
    home-manager.url = "github:nix-community/home-manager/release-25.11";
    home-manager.inputs.nixpkgs.follows = "nixpkgs";
  };

  outputs =
    { nixpkgs, home-manager, ... }:
    let
      home-manager-options = {
        home-manager.useGlobalPkgs = true;
        home-manager.useUserPackages = true;
        home-manager.users.hms = ./home;
        home-manager.backupFileExtension = "bak";
      };
    in
    {
      nixosConfigurations.selune = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";
        modules = [
          ./hosts/selune
          home-manager.nixosModules.home-manager
          home-manager-options
        ];
      };
      nixosConfigurations.shar = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";
        modules = [
          ./hosts/shar
          home-manager.nixosModules.home-manager
          home-manager-options
        ];
      };
    };
}