{

  description = "My various NixOs configurations";

  inputs = {
    nixpkgs.url = "github:NixOs/nixpkgs/nixos-24.05";
    nixpkgs-unstable.url = "github:NixOs/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
    home-manager = {
      url = "github:nix-community/home-manager/release-24.05";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    agda = {
      url = "github:agda/agda/v2.6.4.1";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    cornelis = {
      url = "github:isovector/cornelis/";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    ssbm-nix = {
      url = "github:lytedev/ssbm-nix";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };
    plasma-manager = {
      url = "github:nix-community/plasma-manager";
      inputs.nixpkgs.follows = "nixpkgs";
      inputs.home-manager.follows = "home-manager";
    };
  };

  outputs = { self, nixpkgs, nixpkgs-unstable, home-manager, agda, cornelis, ssbm-nix, plasma-manager, flake-utils }: 
    let nix-config-module =
        {
          nix.registry.nixpkgs.flake = nixpkgs;
          nix.registry.unstable.flake = nixpkgs-unstable;
          system.configurationRevision = nixpkgs.lib.mkIf (self ? rev) self.rev;
        };
        rachel-home-module =
          system: {
            home-manager = {
              sharedModules = [ plasma-manager.homeManagerModules.plasma-manager ];
              useGlobalPkgs = true;
              useUserPackages = true;
              users.rachel = import ./home-manager/all.nix {
                pkgs = import nixpkgs {
                  system = system;
                  config.allowUnfree = true;
                };
                unstable = import nixpkgs-unstable {
                  system = system;
                  config.allowUnfree = true;
                };
                extra = {
                  agda = agda.packages.${system}.Agda;
                  cornelis = cornelis.packages.${system}.cornelis;
                  cornelis-vim = cornelis.packages.${system}.cornelis-vim;
                  slippi-netplay = ssbm-nix.packages.${system}.slippi-netplay;
                  sax2nf = self.packages.${system}.sax2nf;
                  bqn-vim = self.packages.${system}.bqn-vim;
                  bqn-nvim = self.packages.${system}.bqn-nvim;
                  shell-menu = self.packages.${system}.shell-menu;
                };
              };
            };
          };
          base-modules = [
            nix-config-module
            ssbm-nix.nixosModule
            home-manager.nixosModules.home-manager
          ];
    in {

    nixosConfigurations.lambda = nixpkgs.lib.nixosSystem rec {
      system = "x86_64-linux";
      modules = base-modules ++ [
        ./nixos/lambda/configuration.nix
        ./nixos/shared/user-system.nix
        ./nixos/shared/graphical.nix
        (rachel-home-module system)
      ];
    };

    nixosConfigurations.computational = nixpkgs.lib.nixosSystem rec {
      system = "x86_64-linux";
      modules = base-modules ++ [
        ./nixos/computational/configuration.nix
        ./nixos/shared/user-system.nix
        ./nixos/shared/graphical.nix
        (rachel-home-module system)
      ];
    };

    keyboardLayouts.fox = ./resources/fox.xkb;
    keyboardLayouts.sus = ./resources/fox.xkb;

  } // flake-utils.lib.eachDefaultSystem (system:
    let pkgs =  nixpkgs.legacyPackages.${system}; 
    in {
      packages = {
        bqn-vim = import ./pkgs/bqn-vim.nix { inherit pkgs; };
        bqn-nvim = import ./pkgs/bqn-nvim.nix { inherit pkgs; };
        sax2nf = import ./pkgs/sax2nf.nix { inherit pkgs; };
        shell-menu = import ./pkgs/shell-menu.nix { inherit pkgs; };
      };
    });
}