{
  description = "charlotte's NixOS flake";
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
  };
  outputs = { self, nixpkgs, nixpkgs-unstable, ... }@inputs: {
    nixosConfigurations = {
      runestone = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";

        specialArgs = {
          user-pkgs = self.packages;
          unstable-pkgs = nixpkgs-unstable.legacyPackages."x86_64-linux";
        };

        modules = [
          /* ({ config, pkgs, ... }: {
            nixpkgs.overlays = [
              (final: prev: {
                xdg-desktop-portal-gnome = prev.xdg-desktop-portal-gnome.overrideAttrs (oldAttrs: {
                  patches = (oldAttrs.patches or [ ]) ++ [
                    ./packages/xdg-desktop-portal-gnome/unattended.patch
                  ];
                });
              })
            ];
          }) */

          ({ ... }: {
            system.stateVersion = "24.05";
          })

          ./profiles/common/base.nix
          ./profiles/common/locale.nix
          ./profiles/common/networking.nix
          ./profiles/common/desktop.nix

          ./profiles/runestone/hardware-configuration.nix
          ./profiles/runestone/base.nix
          ./profiles/runestone/desktop.nix
          ./profiles/runestone/grafana-prometheus.nix
        ];
      };

      opal = nixpkgs.lib.nixosSystem {
        system = "x86_64-linux";

        specialArgs = {
          user-pkgs = self.packages;
          unstable-pkgs = nixpkgs-unstable.legacyPackages."x86_64-linux";
        };

        modules = [
          ({ ... }: {
            system.stateVersion = "24.05";
          })

          ./profiles/common/base.nix
          ./profiles/common/locale.nix
          ./profiles/common/networking.nix
          ./profiles/common/desktop.nix

          ./profiles/opal/hardware-configuration.nix
          ./profiles/opal/base.nix
          ./profiles/runestone/gnome.nix # TODO: replace with a nice wayland twm or something
        ];
      };
    };

    packages =
      import ./packages/default.nix { pkgs = import nixpkgs { system = "x86_64-linux"; }; };
  };
}