* Export the manual under system.build.manual to make it easier to

test (nix-build /etc/nixos/nixos -A config.system.build.manual).

svn path=/nixos/trunk/; revision=17644

modules/services/misc/nixos-manual.nix

@@ -66,6 +66,8 @@ in
 
   config = mkIf cfg.enable {
 
+    system.build.manual = manual;
+
     environment.systemPackages = [manual];
 
     boot.extraTTYs = mkIf cfg.showManual [cfg.ttyNumber];