{
  description = "BeBot Mattermost chatbot Clojure library.";

  inputs = {
    nixpkgs.url = "nixpkgs/nixos-22.11";
    utils.url = "github:numtide/flake-utils";
    helpers = {
      url = "git+https://git.fudo.org/fudo-public/nix-helpers.git";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = { self, nixpkgs, utils, helpers, ... }:
    utils.lib.eachDefaultSystem (system:
      let pkgs = nixpkgs.legacyPackages."${system}";
      in {
        packages = rec {
          default = bebot;
          bebot = helpers.packages."${system}".mkClojureLib {
            name = "org.fudo/bebot";
            primaryNamespace = "bebot.core";
            src = ./.;
          };
        };

        devShells = rec {
          default = updateDeps;
          updateDeps = pkgs.mkShell {
            buildInputs = with helpers.packages."${system}";
              [ (updateClojureDeps { }) ];
          };
        };
      });
}