+arch_gutsy_updates="${arch_gutsy}"
+arch_gutsy_backports="${arch_gutsy}"
+arch_hardy="i386 amd64"
+arch_hardy_updates="${arch_hardy}"
+arch_hardy_backports="${arch_hardy}"
+arch_intrepid="${arch_hardy}"
+arch_intrepid_updates="${arch_intrepid}"
+arch_intrepid_backports="${arch_intrepid}"