{
  description = "Cattery — a safe, cross-platform dotfiles manager";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-26.05";
    flake-parts.url = "github:hercules-ci/flake-parts";

    treefmt-nix = {
      url = "github:numtide/treefmt-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = inputs @ {flake-parts, ...}:
    flake-parts.lib.mkFlake {inherit inputs;} {
      systems = [
        "aarch64-linux"
        "x86_64-linux"
        "aarch64-darwin"
        "x86_64-darwin"
      ];

      imports = [
        ./flake
        inputs.treefmt-nix.flakeModule
      ];
    };
}