=== modified file 'overlay/scripts/update_profiles'
--- overlay/scripts/update_profiles	2013-05-17 09:17:06 +0000
+++ overlay/scripts/update_profiles	2013-05-16 14:43:12 +0000
@@ -11,12 +11,12 @@
 			(*)  scan_profile "$d/$parent";;
 		esac
 	done < "$d/parent"
-	[[ -r "$d/package.set" ]] && package_set+="$d/package.set"
+	[[ -r "$d/package.set" ]] && package_set=( "$d/package.set" $package_set )
 }
 
 scan_profile "$ROOT/etc/portage/make.profile"
 
 if [[ -n "$package_set" ]]; then
 	[[ -d "$ROOT/etc/portage/sets" ]] || mkdir "$ROOT/etc/portage/sets"
-	sort -u "${package_set[@]}" >"$ROOT/etc/portage/sets/profile"
+	sort -u "$package_set" >"$ROOT/etc/portage/sets/profile"
 fi