sub update {
  if($::SCRIPT_NAME) {
    my $browser = FlashVideo::Mechanize->new;

    $browser->get("http://get-flash-videos.googlecode.com/svn/wiki/Version.wiki");

    if(!$browser->response->is_success) {
      die "Unable to retrieve version data: " . $browser->response->status_line;
    }

    my $version = ($browser->content =~ /version: (\S+)/)[0];
    my $base = ($browser->content =~ /from: (\S+)/)[0];
    my $info = ($browser->content =~ /info: (\S+)/)[0];
    my $url = $base . $::SCRIPT_NAME . "-" . $version;

    die "Unable to parse version data" unless $version and $base;

    my @v = split /\./, $version;
    my @V = split /\./, VERSION;

    my $newer = 0;
    my $i = 0;
    for(@v) {
      $newer = 1 if !defined $V[$i] || $_ > $V[$i];
      last if $V[$i] > $v[$i];
      $i++;
    }

    if($newer) {
      info "Newer version ($version) available, downloading..";
      die "Cannot update -- unable to write to $0\n" unless -w $0;

      my $new_file = $0 . ".new";
      $browser->mirror($url, $new_file);

      if($browser->response->is_success && -f $new_file) {
        rename $0, "$0.old" or die "Unable to rename $0 to $0.old: $!";
        rename $new_file, $0 or die "Unable to rename $new_file to $0: $!";
        chmod 0755, $0;

        info "New version installed as $0";
        info "(previous version backed up to $0.old).";
        info $info;
        exit 0;
      } else {
        die "Download failed: " . $browser->response->status_line;
      }
    } else {
      print STDERR "You already have the latest version.\n";
    }
  } else {
    info "Development version, not updated";
  }

  update_plugins();
}