flake.nix

{
  description = "Zen Browser";

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

  outputs =
    {
      self,
      nixpkgs,
      flake-utils,
      systems,
      treefmt-nix,
    }:
    let

      eachSystem = f: nixpkgs.lib.genAttrs (import systems) (system: f nixpkgs.legacyPackages.${system});

      # Eval the treefmt modules from ./treefmt.nix
      treefmtEval = eachSystem (pkgs: treefmt-nix.lib.evalModule pkgs ./treefmt.nix);
    in
    {
      formatter = eachSystem (pkgs: treefmtEval.${pkgs.system}.config.build.wrapper);
    }
    // (flake-utils.lib.eachSystem [ "x86_64-linux" "aarch64-linux" ] (
      system:
      let
        pkgs = nixpkgs.legacyPackages.${system};
      in
      {
        packages.default = pkgs.callPackage ./zen-browser.nix { };
      }
    ));

}