{ inputs , ... }: { # deploy-rs overlay deploy-rs = inputs.deploy-rs.overlay; # The unstable nixpkgs set (declared in the flake inputs) will # be accessible through 'pkgs.unstable' unstable-packages = final: _prev: { unstable = import inputs.nixpkgs-unstable { inherit (final) system; config.allowUnfree = true; }; }; }