need_string(in_site({'autoupdater', 'branch'})) need_table({'autoupdater', 'branches'}, function(branch) need_alphanumeric_key(branch) need_string(in_site(extend(branch, {'name'}))) need_string_array_match(extend(branch, {'mirrors'}), '^http://') need_number(in_site(extend(branch, {'good_signatures'}))) need_string_array_match(in_site(extend(branch, {'pubkeys'})), '^%x+$') end)