{
  description = "cutie flake ~";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    gitignore = { url = "github:hercules-ci/gitignore.nix"; flake = false; };
    flake-utils.url = "github:numtide/flake-utils";
    rustup.url = "github:oxalica/rust-overlay";
  };

  outputs = inputs@{ self, nixpkgs, flake-utils, rustup, ... }:
  flake-utils.lib.eachSystem [ "x86_64-linux" ] (system: let
    overlays = [ (import rustup) ];
    pkgs = import nixpkgs { inherit system overlays; };
    libPath = with pkgs; lib.makeLibraryPath [
      libGL libxkbcommon
      wayland wayland-utils
      musl musl-fts musl-obstack
      makeWrapper pkg-config gcc
      libiconv libtool autoconf automake
    ];
    gitignoreSrc = pkgs.callPackage inputs.gitignore { };
  in rec {
    packages.hello = pkgs.callPackage ./default.nix { inherit gitignoreSrc; };
    legacyPackages = packages;
    defaultPackage = packages.hello;
    devShell = pkgs.mkShell {
      CARGO_INSTALL_ROOT = "${toString ./.}/.cargo";

      RUST_SRC_PATH = "${pkgs.rustPlatform.rustLibSrc}";
      LD_LIBRARY_PATH = libPath;

      buildInputs = with pkgs; [ (rust-bin.selectLatestNightlyWith (toolchain: toolchain.complete.override {
        targets = [ "x86_64-unknown-linux-musl" "wasm32-unknown-unknown" ];
      })) ];
    };
  });
}