current_subdomain is now returning subdomains without mirrors

README.rdoc

@@ -1,3 +1,8 @@
+= Changes in this fork
+
+[current_subdomain] will return all subdomains except for mirrors.
+For the URL http://www.stuff.example.com it will return "stuff" if "www" is configured as a mirror
+
 = SubdomainFu
 
 SubdomainFu provides a modern implementation of subdomain handling in Rails.

lib/subdomain_fu/subdomain_fu.rb

@@ -146,7 +146,7 @@ def self.needs_rewrite?(subdomain, host)
   end
 
   def self.current_subdomain(request)
-    subdomain = request.subdomains(SubdomainFu.config.tld_size).join(".")
+    subdomain = (request.subdomains(SubdomainFu.config.tld_size) - config.mirrors).join(".")
     if has_subdomain?(subdomain)
       subdomain
     else

spec/subdomain_fu_spec.rb

@@ -159,6 +159,11 @@
       SubdomainFu.current_subdomain(request).should be_nil
     end
 
+    it "should return current subdomain without a mirror" do
+      request = mock("request", :subdomains => ["www", "stuff"])
+      SubdomainFu.current_subdomain(request).should == "stuff"
+    end
+
     it "should return the whole thing (including a .) if there's multiple subdomains" do
       request = mock("request", :subdomains => ["awesome","rad"])
       SubdomainFu.current_subdomain(request).should == "awesome.rad"