+ $frequency_options = ['always','daily','weekly','reluctantly']
+ validate_hash($update)
+ if $update['frequency'] {
+ validate_re($update['frequency'], $frequency_options)
+ }
+ if $update['timeout'] {
+ unless is_integer($update['timeout']) {
+ fail('timeout value for update must be an integer')
+ }
+ }
+ if $update['tries'] {
+ unless is_integer($update['tries']) {
+ fail('tries value for update must be an integer')
+ }
+ }
+
+ $_update = merge($::apt::update_defaults, $update)