{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
  };
  outputs =
    {
      self,
      nixpkgs,
      flake-utils,
    }:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = nixpkgs.legacyPackages.${system};
      in
      {
        packages.default = pkgs.writeShellApplication {
          name = "git-check-assertions";
          runtimeInputs = [ pkgs.git ];
          text = builtins.readFile ./git-check-assertions;
        };
        devShells.default = pkgs.mkShell {
          packages = with pkgs; [ bats ];
        };
      }
    );
}