flake.nix

{
  description = "wineusbdm";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixpkgs-unstable";

    usbdm-flake = {
      url = "github:ryand56/usbdm-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs =
    {
      self,
      nixpkgs,
      nixpkgs-unstable,
      usbdm-flake,
    }:
    let
      systems = [
        "x86_64-linux"
        "i686-linux"
      ];
      overlay = final: prev: {
        haskellPackages = prev.haskell.packages.ghc924Binary.override (old: {
          overrides = final.lib.composeExtensions (old.overrides or (_: _: { })) (
            hself: hsuper: {
              unordered-containers = hself.callHackage "unordered-containers" "0.2.19.1" { };
            }
          );
        });

        wineusbdm = final.pkgsi686Linux.callPackage ./default.nix {
          usbdm = usbdm-flake.packages.i686-linux.usbdm;
        };
      };
      forAllSystems = f: nixpkgs.lib.genAttrs systems (system: f system);
      forAllSystemsUnstable = f: nixpkgs-unstable.lib.genAttrs systems (system: f system);

      nixpkgsFor = forAllSystems (
        system:
        import nixpkgs {
          inherit system;
          overlays = [ self.overlay ];
          config.allowUnfree = true;
        }
      );

      nixpkgsForUnstable = forAllSystemsUnstable (
        system:
        import nixpkgs-unstable {
          inherit system;
          overlays = [ self.overlay ];
          config.allowUnfree = true;
        }
      );
    in
    {
      inherit overlay;
      defaultPackage = forAllSystems (system: nixpkgsFor.${system}.wineusbdm);

      formatter = forAllSystemsUnstable (system: nixpkgsForUnstable.${system}.nixfmt-rfc-style);

      packages = forAllSystems (system: {
        inherit (nixpkgsFor.${system}) wineusbdm;
      });

      nixosModules =
        let
          default = import ./nixos-module.nix self;
        in
        {
          inherit default;
          wineusbdm = default;
        };
    };
}