diff --git a/apkbuild-gem-resolver.in b/apkbuild-gem-resolver.in
index 821ba30..dbe55f0 100644
--- a/apkbuild-gem-resolver.in
+++ b/apkbuild-gem-resolver.in
@@ -4,6 +4,7 @@
 # Copyright (C) 2014 Kaarle Ritvanen
 
 require 'augeas'
+require 'optparse'
 require 'rubygems/dependency'
 require 'rubygems/resolver'
 require 'rubygems/spec_fetcher'
@@ -31,7 +32,7 @@ class Aport
   @@aports = {}
   @@subpackages = []
 
-  def self.initialize
+  def self.initialize testing
     Augeas::open(nil, nil, Augeas::NO_MODL_AUTOLOAD) do |aug|
       dir = Dir.pwd
       aug.transform(:lens => 'Shellvars.lns', :incl => dir + '/*/ruby*/APKBUILD')
@@ -40,7 +41,9 @@ class Aport
       apath = '/files' + dir
       fail if aug.match("/augeas#{apath}//error").length > 0
 
-      for repo in ['main', 'testing']
+      repos = ['main']
+      repos.push 'testing' if testing
+      for repo in repos
         for aport in aug.match "#{apath}/#{repo}/*"
           FileAport.new(aug, aport) unless aport.end_with? '/ruby'
         end
@@ -130,9 +133,6 @@ class FileAport < Aport
 end
 
 
-Aport.initialize
-
-
 class Update
   def initialize 
     @gems = {}
@@ -264,6 +264,14 @@ class Update
 end
 
 
+testing = false
+OptionParser.new do |opts|
+  opts.on('-t', '--testing') do |t|
+    testing = t
+  end
+end.parse! ARGV
+Aport.initialize testing
+
 latest = {}
 for source, gems in Gem::SpecFetcher::fetcher.available_specs(:latest)[0]
   for gem in gems