{
  description = "flake for nixos-pulse";

  nixConfig = { };

  inputs = {
    nixpkgs-unstable = {
      url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    };
    nixos-unstable = {
      url = "github:NixOS/nixpkgs/nixos-unstable";
    };
    nixpkgs = {
      url = "github:NixOS/nixpkgs/nixos-23.11";
    };
    nixinate.url = "git+https://git.vlt81.de/tristan/nixinate.git";
    chaotic = {
      url = "github:chaotic-cx/nyx/nyxpkgs-unstable";
    };
    home-manager = {
      url = "github:nix-community/home-manager/release-23.11";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    emacs-overlay = {
      url = "github:nix-community/emacs-overlay";
      inputs.nixpkgs-stable.follows = "nixpkgs";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };
    disko = {
      url = "github:nix-community/disko";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nur = {
      url = "github:nix-community/NUR";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nix-wallpaper = {
      url = "github:lunik1/nix-wallpaper";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nix-index-database = {
      url = "github:Mic92/nix-index-database";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    plasma-manager = {
      url = "github:pjones/plasma-manager";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.home-manager.follows = "home-manager";
    };
    nix-ld = {
      url = "github:Mic92/nix-ld";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nixtheplanet.url = "github:matthewcroughan/nixtheplanet";
  };

  outputs =
    { self
    , nixpkgs
    , nixpkgs-unstable
    , nixos-unstable
    , nixtheplanet
    , nixinate
    , home-manager
    , emacs-overlay
    , nur
    , nix-index-database
    , disko
    , chaotic
    , ...
    } @ inputs:
    let
      system = "x86_64-linux";
      unstable-os = import nixos-unstable pkgs-args;
      unstable-os-overlay = _final: _prev: {
        unstable-os = unstable-os.pkgs;
      };
      unstable-pkgs = import nixpkgs-unstable pkgs-args;
      unstable-pkgs-overlay = _final: _prev: {
        unstable-pkgs = unstable-pkgs.pkgs;
      };
      overlays = [
        unstable-os-overlay
        unstable-pkgs-overlay
        emacs-overlay.overlay
      ];
      pkgs-args = {
        inherit system;
        inherit overlays;
        config = {
          allowUnfree = true;
          permittedInsecurePackages = [
            "electron-22.3.27"
            "electron-24.8.6"
            "electron-25.9.0"
          ];
        };
      };
      pkgs = import nixpkgs pkgs-args;
      hmModules = [
        nix-index-database.hmModules.nix-index
        nur.hmModules.nur
        inputs.plasma-manager.homeManagerModules.plasma-manager
      ];
      osModules = [
        disko.nixosModules.disko
        home-manager.nixosModules.home-manager
        nix-index-database.nixosModules.nix-index
        nur.nixosModules.nur
        inputs.nix-ld.nixosModules.nix-ld
        chaotic.nixosModules.default
        nixtheplanet.nixosModules.macos-ventura
      ];
      args = {
        inherit self;
        inherit inputs;
        inherit system;
      };
    in
    {
      apps.x86_64-linux = (nixinate.nixinate.x86_64-linux self).nixinate;
      formatter = {
        ${system} = pkgs.nixpkgs-fmt;
      };
      diskoConfigurations = {
        nixos-pulse = import ./systems/nixos-pulse/disko.nix;
        nixos-desk = import ./systems/nixos-desk/disko.nix;
      };
      nixosConfigurations = {
        nixos-pulse = nixpkgs.lib.nixosSystem {
          system = system;
          specialArgs = args;
          modules =
            [
              ./systems/nixos-pulse
              {
                nixpkgs.pkgs = pkgs;
                nix.registry.nixpkgs.flake = nixpkgs;
                home-manager.sharedModules = hmModules;
                home-manager.extraSpecialArgs = args;
              }
            ]
            ++ osModules;
        };
        nixos-desk = nixpkgs.lib.nixosSystem {
          system = system;
          specialArgs = args;
          modules =
            [
              ./systems/nixos-desk
              {
                nixpkgs.pkgs = pkgs;
                nix.registry.nixpkgs.flake = nixpkgs;
                home-manager.sharedModules = hmModules;
                home-manager.extraSpecialArgs = args;
              }
              {
                _module.args.nixinate = {
                  host = "100.64.0.3";
                  sshUser = "tristand";
                  buildOn = "remote"; # valid args are "local" or "remote"
                  substituteOnTarget = false; # if buildOn is "local" then it will substitute on the target, "-s"
                  hermetic = false;
                };
              }
            ]
            ++ osModules;
        };
        nixos-karl-kvm-guest = nixpkgs.lib.nixosSystem {
          system = system;
          specialArgs = args;
          modules =
            [
              ./systems/nixos-karl-kvm-guest
              {
                nixpkgs.pkgs = pkgs;
                nix.registry.nixpkgs.flake = nixpkgs;
                home-manager.sharedModules = hmModules;
                home-manager.extraSpecialArgs = args;
              }
              {
                _module.args.nixinate = {
                  host = "nixos-karl-kvm-guest.oekonzept.de";
                  sshUser = "reopen5194";
                  buildOn = "remote"; # valid args are "local" or "remote"
                  substituteOnTarget = false; # if buildOn is "local" then it will substitute on the target, "-s"
                  hermetic = false;
                };
              }
            ]
            ++ osModules;
        };
      };
    };
}