{
  description = "Twitch chat in the terminal.";
  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  inputs.rust-overlay.url = "github:oxalica/rust-overlay";

  outputs = { self, nixpkgs, rust-overlay }:
    let
      system = "x86_64-linux";
      pkgs = nixpkgs.legacyPackages.${system};
      toolchain = rust-overlay.packages.${system}.rust.minimal;
      manifest = (pkgs.lib.importTOML ./Cargo.toml).package;
    in {
      packages.${system}.default = (pkgs.makeRustPlatform {
        cargo = toolchain;
        rustc = toolchain;
      }).buildRustPackage {
        pname = manifest.name;
        version = manifest.version;

        buildInputs = [ pkgs.openssl.dev ];
        nativeBuildInputs = [ pkgs.pkg-config ];

        src = pkgs.lib.cleanSource ./.;
        cargoLock.lockFile = ./Cargo.lock;
      };

      apps.${system}.default = {
        type = "app";
        program = "${self.packages.${system}.default}/bin/twt";
      };
    };
}