{
  description = "Shiny";

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

    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = {
    nixpkgs,
    flake-utils,
    rust-overlay,
    ...
  }:
    flake-utils.lib.eachDefaultSystem(system:
      let
        overlays = [(import rust-overlay)];
        pkgs = import nixpkgs { inherit system overlays; };

        rust = rec {
          package = pkgs.rust-bin.nightly.latest.default;
          devPackage = package.override {
            extensions = [ "rust-src" "rust-analyzer" ];
          };
        };
      in
      {
        devShells.default = pkgs.mkShell {
          shellHook = ''
            export PS1="(shiny) $PS1"
          '';
          buildInputs = [ rust.devPackage ];
        };
      }
    );
}