enabledOptions

boot.loader.grub.enable
fonts.fontconfig.enable
fonts.fontconfig.hinting.enable
fonts.fontconfig.penultimate.enable
networking.dhcpcd.enable
networking.firewall.enable
powerManagement.enable
programs.command-not-found.enable
programs.fish.vendor.completions.enable
programs.fish.vendor.config.enable
programs.fish.vendor.functions.enable
programs.info.enable
programs.man.enable
security.polkit.enable
security.rngd.enable
security.sudo.enable
services.grafana.analytics.reporting.enable
services.nixosManual.enable
services.nscd.enable
services.rippleDataApi.redis.enable
services.smartd.notifications.wall.enable
services.timesyncd.enable
services.tor.client.privoxy.enable
services.udisks2.enable
services.xserver.desktopManager.xterm.enable
services.xserver.displayManager.lightdm.greeter.enable
services.xserver.displayManager.lightdm.greeters.gtk.enable
services.xtreemfs.dir.enable
services.xtreemfs.mrc.enable
services.xtreemfs.osd.enable
sound.enable

enabledOptions.nix

# run with nix-instantiate -I nixos-config=/cfg/nixpkgs/nixos/modules/profiles/minimal.nix --eval enabledOptions.nix --strict --json | jq -r '.[]'

with import <nixpkgs/lib>;

let

  options = collect isOption ((import <nixpkgs/nixos> {}).options);
  enabled = filter (o: last o.loc == "enable" && o.default or false == true) options;
  mapped = map (o: showOption o.loc) enabled;

in mapped