-arch_lenny="${arch_etch} armel"
-arch_squeeze="${arch_lenny}"
-arch_sid="${arch_squeeze} hurd-i386 kfreebsd-i386 kfreebsd-amd64 m68k"
-arch_experimental="${arch_sid}"
-arch_lenny_proposed_updates="${arch_lenny}"
-arch_etch_proposed_updates="${arch_etch}"