{
  description = "PolyMC flake";
  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
  inputs.flake-utils.url = "github:numtide/flake-utils";
  inputs.flake-compat = { 
    url = "github:edolstra/flake-compat";
    flake = false;
  };
  inputs.libnbtplusplus = {
    url = "github:multimc/libnbtplusplus";
    flake = false;
  };
  inputs.quazip = {
    url = "github:multimc/quazip";
    flake = false;
  };

  outputs = args@{ self, nixpkgs, flake-utils, libnbtplusplus, quazip, ... }:
  {
    overlay = final: prev: {
      inherit (self.packages.${final.system})
      polymc;
    };
  } // flake-utils.lib.eachSystem [ "x86_64-linux" "aarch64-linux"] (system:
    let pkgs = import nixpkgs {
      inherit system;
    };
    in {
      defaultPackage = self.packages.${system}.polymc;
      packages = rec {
        polymc = pkgs.libsForQt5.callPackage ./packages/nix/polymc {
	  inherit self;
	  submoduleQuazip = quazip;
	  submoduleNbt = libnbtplusplus;
	};
      };
      apps = rec {
	polymc = flake-utils.lib.mkApp {
	  name = "polymc";
	  drv = self.packages.${system}.polymc;
	};
      };
    });
}