ktest: cleanup get_grub_index

sub get_grub_index {

    if ($reboot_type eq "grub2") {

	get_grub2_index;

	return;

    }

    my $command;

    my $target;

    my $skip;

    my $grub_menu_qt;

    if ($reboot_type ne "grub") {

    if ($reboot_type !~ /^grub/) {

	return;

    }

    return if (defined($grub_number) && defined($last_grub_menu) &&

	       $last_grub_menu eq $grub_menu && defined($last_machine) &&

	       $last_machine eq $machine);

    doprint "Find grub menu ... ";

    $grub_number = -1;

    $grub_menu_qt = quotemeta($grub_menu);

    my $ssh_grub = $ssh_exec;

    $ssh_grub =~ s,\$SSH_COMMAND,cat /boot/grub/menu.lst,g;

    open(IN, "$ssh_grub |")

	or dodie "unable to get menu.lst";

    my $found = 0;

    my $grub_menu_qt = quotemeta($grub_menu);

    while (<IN>) {

	if (/^\s*title\s+$grub_menu_qt\s*$/) {

	    $grub_number++;

	    $found = 1;

	    last;

	} elsif (/^\s*title\s/) {

	    $grub_number++;

	}

    if ($reboot_type eq "grub") {

	$command = "cat /boot/grub/menu.lst";

	$target = '^\s*title\s+' . $grub_menu_qt . '\s*$';

	$skip = '^\s*title\s';

    } elsif ($reboot_type eq "grub2") {

	$command = "cat $grub_file";

	$target = '^menuentry.*' . $grub_menu_qt;

	$skip = '^menuentry\s|^submenu\s';

    } else {

	return;

    }

    close(IN);

    dodie "Could not find '$grub_menu' in /boot/grub/menu on $machine"

	if (!$found);

    doprint "$grub_number\n";

    $last_grub_menu = $grub_menu;

    $last_machine = $machine;

    _get_grub_index($command, $target, $skip);

}

sub wait_for_input