{
  description = "vapoursynth-nix";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
  };

  nixConfig = {
    allow-import-form-derivation = true;
    extra-substituters = [
      "https://cache.kyouma.net"
    ];
    extra-trusted-public-keys = [
      "cache.kyouma.net:Frjwu4q1rnwE/MnSTmX9yx86GNA/z3p/oElGvucLiZg="
    ];
  };

  outputs = { self, nixpkgs, ... }@inputs: let
    inherit (nixpkgs) lib;
    buildPlatforms = import ./lib/platforms.nix inputs;
    eachSystem = uwu: lib.mapAttrs uwu buildPlatforms;
  in {
    packages = eachSystem (system: platform: let
      pkgs = import nixpkgs {
        inherit system;
        config = {
          allowUnfree = true;
          allowUnsupportedSystem = true;
          allowBroken = true;
        };
      };
    in lib.filterAttrs (_: pkg: lib.meta.availableOn platform pkg) (
      import ./pkgs/default.nix { inherit pkgs lib; })
    );

    hydraJobs = { inherit (self) packages; };
  };
}