{
  description = "Various Nix utilities for CI";
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };
  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = import nixpkgs { inherit system; };
        deps = with pkgs; [ statix deadnix nixpkgs-fmt alejandra ];
      in
      with pkgs; rec {
        packages.ci = symlinkJoin {
          name = "nixci";
          paths = deps ++ [ bashInteractive coreutils ];
          meta.priority = 5;
        };
        defaultPackage = packages.ci;
      }
    );
}