# parse args - low commitment
my $spec_version = shift @ARGV;
my $new_version = (new Dpkg::Version $spec_version, check => 1);
+ fail "bad version number \`$spec_version'" unless defined $new_version;
if ($new_version->is_native()) {
$new_version = (new Dpkg::Version "$spec_version-1", check => 1);
}