{
  description = "pbsds' nix system/home profile flake";

  # TODO: NUR
  inputs.nixpkgs.url      = "github:NixOS/nixpkgs/nixos-22.11-small";
  inputs.unstable.url     = "github:NixOS/nixpkgs/nixos-unstable-small";
  inputs.home-manager.url = "github:nix-community/home-manager";
  inputs.home-manager.inputs.nixpkgs.follows = "nixpkgs";

  # temp stuff
  inputs.pbsds-polaris-pr = "github:pbsds/nixpkgs/polaris-14";

  outputs = { self, nixpkgs, unstable, home-manager, ... }@inputs:
  let
    systems = [
      "x86_64-linux"
      "aarch64-linux"
      #"riscv64-linux"
    ];
    forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system);
    nixosOverrides = {
      disabledModules = [ "services/misc/polaris.nix" ];
      imports = [ inputs.pbsds-polaris-14 + "/nixos/modules/services/misc/polaris.nix" ];
      nixpkgs.overlays = [(final: prev: {
        polaris     = prev.callPackage (inputs.pbsds-polaris-14 + /pkgs/servers/polaris) { };
        polaris-web = prev.callPackage (inputs.pbsds-polaris-14 + /pkgs/servers/polaris/web.nix) { };
      })];
    };
    mkConfig = system: modules: nixpkgs.lib.nixosSystem {
      inherit system;
      specialArgs = { inherit unstable inputs; };
      modules = modules ++ [ ./base.nix nixosOverrides ({
        # This makes commandline tools like 'nix run nixpkgs#hello'
        # and 'nix-shell -p hello' use the same channel the system was built with
        nix.registry.nixpkgs.flake  = inputs.nixpkgs;
        nix.registry.unstable.flake = inputs.unstable;
        nix.nixPath = [
          "nixpkgs=${inputs.nixpkgs}"
          "unstable=${inputs.unstable}"
        ];
      })];
    };
  in {
    nixosConfigurations.noximilien = mkConfig "x86_64-linux" [ ./hosts/noximilien.nix ];
    homeConfigurations = forAllSystems (system: {
      pbsds = home-manager.lib.homeManagerConfiguration {
        pkgs = nixpkgs.legacyPackages.${system};
        modules = [ ./users/pbsds/home ];
      };
    });
  };
}