nix/flake.nix

{
  description = "NixOS configuration";

  inputs = {
    nixpkgs-stable.url = "github:NixOS/nixpkgs/nixos-25.05";
    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";

    disko-stable = {
      url = "github:nix-community/disko";
      inputs.nixpkgs.follows = "nixpkgs-stable";
    };
    disko-unstable = {
      url = "github:nix-community/disko";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };

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

    mailserver = {
      url = "gitlab:simple-nixos-mailserver/nixos-mailserver?ref=nixos-25.05";
      inputs.nixpkgs.follows = "nixpkgs-stable";
    };

    "lolcat++-stable" = {
      url = "github:lolcatpp/lolcatpp";
      inputs.nixpkgs.follows = "nixpkgs-stable";
    };
    "lolcat++-unstable" = {
      url = "github:lolcatpp/lolcatpp";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };

    dotfiles = {
      url = "path:/home/love/dotfiles";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
      inputs.home-manager.follows = "home-manager-unstable";
    };
  };

  outputs =
    inputs@{
      nixpkgs-stable,
      nixpkgs-unstable,
      disko-stable,
      disko-unstable,
      home-manager-unstable,
      dotfiles,
      ...
    }:
    let
      mkHost = {
        hostPath,
        nixpkgs,
        disko,
        lolcat,
      }:
        nixpkgs.lib.nixosSystem {
          system = "x86_64-linux";
          specialArgs = {
            inputs = inputs // { "lolcat++" = lolcat; };
          };
          modules = [
            disko.nixosModules.disko
            hostPath
          ];
        };
      mkDesktopHost = {
        hostPath,
        nixpkgs,
        disko,
        lolcat,
      }:
        nixpkgs.lib.nixosSystem {
          system = "x86_64-linux";
          specialArgs = {
            inputs = inputs // { "lolcat++" = lolcat; };
          };
          modules = [
            disko.nixosModules.disko
            home-manager-unstable.nixosModules.home-manager
            {
              home-manager.useGlobalPkgs = true;
              home-manager.useUserPackages = true;
              home-manager.backupFileExtension = "hm-backup";
              home-manager.users.love = import "${dotfiles}/home.nix";
            }
            hostPath
          ];
        };
    in
    {
      nixosConfigurations = {
        Kronos = mkDesktopHost {
          hostPath = ./hosts/kronos;
          nixpkgs = nixpkgs-unstable;
          disko = disko-unstable;
          lolcat = inputs."lolcat++-unstable";
        };
        kronos = mkDesktopHost {
          hostPath = ./hosts/kronos;
          nixpkgs = nixpkgs-unstable;
          disko = disko-unstable;
          lolcat = inputs."lolcat++-unstable";
        };
        Hermes = mkHost {
          hostPath = ./hosts/hermes;
          nixpkgs = nixpkgs-stable;
          disko = disko-stable;
          lolcat = inputs."lolcat++-stable";
        };
        hermes = mkHost {
          hostPath = ./hosts/hermes;
          nixpkgs = nixpkgs-stable;
          disko = disko-stable;
          lolcat = inputs."lolcat++-stable";
        };
      };
    };
}