{   # a block just to scope "no warnings"
    no warnings qw(redefine);

    *LWP::UserAgent::get_basic_credentials = sub {
        my ($user, $password);
        # remove user from option if called, to force prompting for a user
        # name the next time
        print "URL requires authorization.\n";
        if (not $user = delete $opt{user}) {
            print 'User name:';
            ReadMode 1;
            $user =  ReadLine();
            ReadMode 0;
            chomp $user;
        };
        if (not $password = delete $opt{password}) {
            print 'Password:';
            ReadMode 2;
            $password = ReadLine;
            ReadMode 0;
            chomp $password;
        };
        return ($user, $password);
    };
}