-architectures="alpha amd64 arm armel avr32 hppa hurd-i386 i386 ia64 kfreebsd-i386 kfreebsd-amd64 m68k mips mipsel powerpc s390 sparc"
-arch_etch="alpha amd64 arm hppa i386 ia64 mips mipsel powerpc s390 sparc"
-arch_lenny="${arch_etch} armel"
-arch_squeeze="alpha amd64 armel hppa i386 ia64 kfreebsd-i386 kfreebsd-amd64 mips mipsel powerpc s390 sparc"
-arch_sid="${arch_squeeze} avr32 hurd-i386 m68k"
-arch_experimental="${arch_sid}"
-arch_lenny_proposed_updates="${arch_lenny}"
-arch_etch_proposed_updates="${arch_etch}"
+architectures="i386 amd64 powerpc"
+arch_dapper="i386 amd64 powerpc"
+arch_dapper_updates="${arch_dapper}"
+arch_dapper_backports="${arch_dapper}"
+arch_hardy="i386 amd64"
+arch_hardy_updates="${arch_hardy}"
+arch_hardy_backports="${arch_hardy}"
+arch_lucid="${arch_hardy}"
+arch_lucid_updates="${arch_lucid}"
+arch_lucid_backports="${arch_lucid}"
+arch_maverick="${arch_lucid}"
+arch_maverick_updates="${arch_maverick}"
+arch_maverick_backports="${arch_maverick}"
+arch_natty="${arch_maverick}"
+arch_natty_updates="${arch_natty}"
+arch_natty_backports="${arch_natty}"
+arch_oneiric="${arch_maverick}"
+arch_oneiric_updates="${arch_oneiric}"
+arch_oneiric_backports="${arch_oneiric}"