Perl scripts are executed via L<eval>. If L<eval> returns falsish then
an error is expected. There are two special return values: If the
script returns C<1> then the update was successful. Return code C<2>
Perl scripts are executed via L<eval>. If L<eval> returns falsish then
an error is expected. There are two special return values: If the
script returns C<1> then the update was successful. Return code C<2>