Make it possible to disable "info"

nixos/modules/programs/info.nix

@@ -0,0 +1,30 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+{
+
+  options = {
+
+    programs.info.enable = mkOption {
+      type = types.bool;
+      default = true;
+      description = ''
+        Whether to enable info pages and the <command>info</command> command.
+      '';
+    };
+
+  };
+
+
+  config = mkIf config.programs.info.enable {
+
+    environment.systemPackages = [ pkgs.texinfoInteractive ];
+
+    environment.pathsToLink = [ "/info" "/share/info" ];
+
+    environment.extraOutputsToInstall = [ "info" ];
+
+  };
+
+}