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mirror of https://pagure.io/fedora-qa/os-autoinst-distri-fedora.git synced 2024-11-25 15:23:08 +00:00
os-autoinst-distri-fedora/lib/utils.pm
Adam Williamson 452140fdbb Re-arrange the repo fixups to be a bit clearer and more correct
Signed-off-by: Adam Williamson <awilliam@redhat.com>
2018-05-03 11:51:50 -07:00

637 lines
26 KiB
Perl

package utils;
use strict;
use base 'Exporter';
use Exporter;
use lockapi;
use testapi;
our @EXPORT = qw/run_with_error_check type_safely type_very_safely desktop_vt boot_to_login_screen console_login console_switch_layout desktop_switch_layout console_loadkeys_us do_bootloader get_milestone boot_decrypt check_release menu_launch_type start_cockpit repo_setup gnome_initial_setup anaconda_create_user check_desktop_clean/;
sub run_with_error_check {
my ($func, $error_screen) = @_;
die "Error screen appeared" if (check_screen $error_screen, 5);
$func->();
die "Error screen appeared" if (check_screen $error_screen, 5);
}
# high-level 'type this string quite safely but reasonably fast'
# function whose specific implementation may vary
sub type_safely {
my $string = shift;
type_string($string, wait_screen_change => 3, max_interval => 20);
wait_still_screen 2;
}
# high-level 'type this string extremely safely and rather slow'
# function whose specific implementation may vary
sub type_very_safely {
my $string = shift;
type_string($string, wait_screen_change => 1, max_interval => 1);
wait_still_screen 5;
}
# Figure out what tty the desktop is on, switch to it. Assumes we're
# at a root console
sub desktop_vt {
# use ps to find the tty of Xwayland or Xorg
my $xout;
# don't fail test if we don't find any process, just guess tty1
eval { $xout = script_output 'ps -C Xwayland,Xorg -o tty --no-headers'; };
my $tty = 1; # default
while ($xout =~ /tty(\d)/g) {
$tty = $1; # most recent match is probably best
}
send_key "ctrl-alt-f${tty}";
}
# Wait for login screen to appear. Handle the annoying GPU buffer
# problem where we see a stale copy of the login screen from the
# previous boot. Will suffer a ~30 second delay if there's a chance
# we're *already at* the expected login screen.
sub boot_to_login_screen {
my %args = @_;
$args{timeout} //= 300;
# we may start at a screen that matches one of the needles; if so,
# wait till we don't (e.g. when rebooting at end of live install,
# we match text_console_login until the console disappears)
my $count = 5;
while (check_screen("login_screen", 3) && $count > 0) {
sleep 5;
$count -= 1;
}
assert_screen "login_screen", $args{timeout};
if (match_has_tag "graphical_login") {
wait_still_screen 10, 30;
assert_screen "login_screen";
}
}
# Switch keyboard layouts at a console
sub console_switch_layout {
# switcher key combo differs between layouts, for console
if (get_var("LANGUAGE", "") eq "russian") {
send_key "ctrl-shift";
}
}
# switch to 'native' or 'ascii' input method in a graphical desktop
# usually switched configs have one mode for inputting ascii-ish
# characters (which may be 'us' keyboard layout, or a local layout for
# inputting ascii like 'jp') and one mode for inputting native
# characters (which may be another keyboard layout, like 'ru', or an
# input method for more complex languages)
# 'environment' can be a desktop name or 'anaconda' for anaconda
# if not set, will use get_var('DESKTOP') or default 'anaconda'
sub desktop_switch_layout {
my ($layout, $environment) = @_;
$layout //= 'ascii';
$environment //= get_var("DESKTOP", "anaconda");
# if already selected, we're good
return if (check_screen "${environment}_layout_${layout}", 3);
# otherwise we need to switch
my $switcher = "alt-shift"; # anaconda
$switcher = "super-spc" if $environment eq 'gnome';
# KDE? not used yet
send_key $switcher;
assert_screen "${environment}_layout_${layout}", 3;
}
# this is used at the end of console_login to check if we got a prompt
# indicating that we got a bash shell, but sourcing of /etc/bashrc
# failed (the prompt looks different in this case). We treat this as
# a soft failure.
sub _console_login_finish {
if (match_has_tag "bash_noprofile") {
record_soft_failure "It looks like profile sourcing failed";
}
}
# this subroutine handles logging in as a root/specified user into console
# it requires TTY to be already displayed (handled by the root_console()
# method of distribution classes)
sub console_login {
my %args = (
user => "root",
password => get_var("ROOT_PASSWORD", "weakpassword"),
@_);
# There's a timing problem when we switch from a logged-in console
# to a non-logged in console and immediately call this function;
# if the switch lags a bit, this function will match one of the
# logged-in needles for the console we switched from, and get out
# of sync (e.g. https://openqa.stg.fedoraproject.org/tests/1664 )
# To avoid this, we'll sleep a few seconds before starting
sleep 4;
my $good = "";
my $bad = "";
if ($args{user} eq "root") {
$good = "root_console";
$bad = "user_console";
}
else {
$good = "user_console";
$bad = "root_console";
}
if (check_screen $bad, 0) {
# we don't want to 'wait' for this as it won't return
script_run "exit", 0;
sleep 2;
}
check_screen [$good, 'text_console_login'], 10;
# if we're already logged in, all is good
if (match_has_tag $good) {
_console_login_finish();
return;
}
# if we see the login prompt, type the username
type_string("$args{user}\n") if (match_has_tag 'text_console_login');
check_screen [$good, 'console_password_required'], 30;
# on a live image, just the user name will be enough
if (match_has_tag $good) {
_console_login_finish();
return;
}
# otherwise, type the password if we see the prompt
if (match_has_tag 'console_password_required') {
type_string "$args{password}";
if (get_var("SWITCHED_LAYOUT") and $args{user} ne "root") {
# see _do_install_and_reboot; when layout is switched
# user password is doubled to contain both US and native
# chars
console_switch_layout;
type_string "$args{password}";
console_switch_layout;
}
send_key "ret";
}
# make sure we reached the console
assert_screen($good, 30);
_console_login_finish();
}
# load US layout (from a root console)
sub console_loadkeys_us {
if (get_var('LANGUAGE') eq 'french') {
script_run "loqdkeys us", 0;
}
}
sub do_bootloader {
# Handle bootloader screen. 'bootloader' is syslinux or grub.
# 'uefi' is whether this is a UEFI install, will get_var UEFI if
# not explicitly set. 'postinstall' is whether we're on an
# installed system or at the installer (this matters for how many
# times we press 'down' to find the kernel line when typing args).
# 'args' is a string of extra kernel args, if desired. 'mutex' is
# a parallel test mutex lock to wait for before proceeding, if
# desired. 'first' is whether to hit 'up' a couple of times to
# make sure we boot the first menu entry. 'timeout' is how long to
# wait for the bootloader screen.
my %args = (
postinstall => 0,
params => "",
mutex => "",
first => 1,
timeout => 30,
uefi => get_var("UEFI"),
ofw => get_var("OFW"),
@_
);
# if not postinstall not UEFI and not ofw, syslinux
$args{bootloader} //= ($args{uefi} || $args{postinstall} || $args{ofw}) ? "grub" : "syslinux";
if ($args{uefi}) {
# we use the firmware-type specific tags because we want to be
# sure we actually did a UEFI boot
assert_screen "bootloader_uefi", $args{timeout};
} else {
assert_screen "bootloader_bios", $args{timeout};
}
if ($args{mutex}) {
# cancel countdown
send_key "left";
mutex_lock $args{mutex};
mutex_unlock $args{mutex};
}
if ($args{first}) {
# press up a couple of times to make sure we're at first entry
send_key "up";
send_key "up";
}
if ($args{params}) {
if ($args{bootloader} eq "syslinux") {
send_key "tab";
}
else {
send_key "e";
# 2 'downs' to reach the kernel line for UEFI installer,
# 13 'downs' on installed x86_64. 12 'downs' on installed
# ppc64, because it doesn't have a 'set gfxpayload=keep'
# line. installed aarch64 is tricky: it should be 13, I
# think - it has a set gfxpayload=keep line - but it seems
# that on F27 installs (i.e. support_server) there is a
# 'set root' line, but on F28+ installs there is not, so
# the count is 12. So we have to do something gross.
my $presses = 2;
if ($args{postinstall}) {
if (get_var('OFW') || (get_var('ARCH') eq 'aarch64' && get_var('TEST') ne 'support_server')) {
$presses = 12;
} else {
$presses = 13;
}
}
foreach my $i (1..$presses) {
sleep 1; # seems to have missed one down if too fast.
send_key "down";
}
send_key "end";
}
# Change type_string by type_safely because keyboard polling
# in SLOF usb-xhci driver failed sometimes in powerpc
type_safely " $args{params}";
}
save_screenshot; # for debug purpose
# ctrl-X boots from grub editor mode
send_key "ctrl-x";
# return boots all other cases
send_key "ret";
}
sub get_milestone {
# FIXME: we don't know how to do this with Pungi 4 yet.
return '';
}
sub boot_decrypt {
# decrypt storage during boot; arg is timeout (in seconds)
my $timeout = shift || 60;
assert_screen "boot_enter_passphrase", $timeout; #
type_string get_var("ENCRYPT_PASSWORD");
send_key "ret";
}
sub check_release {
# Checks whether the installed release matches a given value. E.g.
# `check_release(23)` checks whether the installed system is
# Fedora 23. The value can be 'Rawhide' or a Fedora release
# number; often you will want to use `get_var('VERSION')`. Expects
# a console prompt to be active when it is called.
my $release = shift;
my $check_command = "grep SUPPORT_PRODUCT_VERSION /usr/lib/os.release.d/os-release-fedora";
validate_script_output $check_command, sub { $_ =~ m/REDHAT_SUPPORT_PRODUCT_VERSION=$release/ };
}
sub menu_launch_type {
# Launch an application in a graphical environment, by opening a
# launcher, typing the specified string and hitting enter. Pass
# the string to be typed to launch whatever it is you want.
my $app = shift;
# super does not work on KDE, because fml
send_key 'alt-f1';
# srsly KDE y u so slo
wait_still_screen 3;
type_very_safely $app;
send_key 'ret';
}
sub start_cockpit {
# Starting from a console, get to a browser with Cockpit (running
# on localhost) shown. If $login is truth-y, also log in. Assumes
# X and Firefox are installed.
my $login = shift || 0;
# https://bugzilla.redhat.com/show_bug.cgi?id=1439429
assert_script_run "sed -i -e 's,enable_xauth=1,enable_xauth=0,g' /usr/bin/startx";
# run firefox directly in X as root. never do this, kids!
type_string "startx /usr/bin/firefox -width 1024 -height 768 http://localhost:9090\n";
assert_screen "cockpit_login";
# this happened on early Modular Server composes...
record_soft_failure "Unbranded Cockpit" if (match_has_tag "cockpit_login_unbranded");
wait_still_screen 5;
if ($login) {
type_safely "root";
wait_screen_change { send_key "tab"; };
type_safely get_var("ROOT_PASSWORD", "weakpassword");
send_key "ret";
assert_screen "cockpit_main";
# wait for any animation or other weirdness
# can't use wait_still_screen because of that damn graph
sleep 3;
}
}
sub _repo_setup_compose {
# Appropriate repo setup steps for testing a compose
# disable updates-testing and updates and use the compose location
# as the target for fedora and rawhide rather than mirrorlist, so
# tools see only packages from the compose under test
my $location = get_var("LOCATION");
return unless $location;
assert_script_run 'dnf config-manager --set-disabled updates-testing updates';
# script_run returns the exit code, so 'unless' here means 'if the file exists'
unless (script_run 'test -f /etc/yum.repos.d/fedora-updates-modular.repo') {
assert_script_run 'dnf config-manager --set-disabled updates-testing-modular updates-modular';
}
# we use script_run here as the rawhide and modular repo files
# won't always exist and we don't want to bother testing or
# predicting their existence; assert_script_run doesn't buy you
# much with sed as it'll return 0 even if it replaced nothing
script_run "sed -i -e 's,^metalink,#metalink,g' -e 's,^#baseurl.*basearch,baseurl=${location}/Everything/\$basearch,g' -e 's,^#baseurl.*source,baseurl=${location}/Everything/source,g' /etc/yum.repos.d/{fedora,fedora-rawhide}.repo", 0;
script_run "sed -i -e 's,^metalink,#metalink,g' -e 's,^#baseurl.*basearch,baseurl=${location}/Modular/\$basearch,g' -e 's,^#baseurl.*source,baseurl=${location}/Modular/source,g' /etc/yum.repos.d/{fedora-modular,fedora-rawhide-modular}.repo", 0;
# this can be used for debugging if something is going wrong
# unless (script_run 'pushd /etc/yum.repos.d && tar czvf yumreposd.tar.gz * && popd') {
# upload_logs "/etc/yum.repos.d/yumreposd.tar.gz";
# }
}
sub _repo_setup_updates_development {
# Fix URL for fedora.repo if this is a development release
# This is rather icky, but I can't think of any better way
# The problem is that the 'baseurl' line in fedora.repo is
# always left as the correct URL for a *stable* release, we
# don't change it to the URL for a Branched release while the
# release is Branched, as it's too much annoying package work
assert_script_run "sed -i -e 's,/releases/,/development/,g' /etc/yum.repos.d/fedora.repo";
# Disable updates-testing so other bad updates don't break us
assert_script_run "dnf config-manager --set-disabled updates-testing";
# https://pagure.io/fedora-repos/issue/70
# this is the easiest workaround, it's not wrong as the repo
# is empty for branched anyway
assert_script_run "dnf config-manager --set-disabled updates";
# same for Modular, if appropriate
unless (script_run 'test -f /etc/yum.repos.d/fedora-updates-modular.repo') {
assert_script_run "sed -i -e 's,/releases/,/development/,g' /etc/yum.repos.d/fedora-modular.repo";
assert_script_run "dnf config-manager --set-disabled updates-testing-modular";
assert_script_run "dnf config-manager --set-disabled updates-modular";
}
}
sub _repo_setup_updates_28_errors {
# fix up some errors in fedora-repos baseurls in F28:
# https://pagure.io/fedora-repos/issue/70
assert_script_run 'sed -i -e "s,^\(baseurl.*/\)os/$,\1,g" /etc/yum.repos.d/fedora*updates*.repo';
assert_script_run 'sed -i -e "s,/testing-modular/,/testing/,g" /etc/yum.repos.d/fedora*updates*.repo';
}
sub _repo_setup_updates {
# Appropriate repo setup steps for testing a Bodhi update
# Check if we already ran, bail if so
return unless script_run "test -f /etc/yum.repos.d/advisory.repo";
# Use baseurl not metalink so we don't hit the timing issue where
# the infra repo is updated but mirrormanager metadata checksums
# have not been updated, and the infra repo is rejected as its
# metadata checksum isn't known to MM
assert_script_run "sed -i -e 's,^metalink,#metalink,g' -e 's,^#baseurl,baseurl,g' /etc/yum.repos.d/fedora*.repo";
if (get_var("OFW")) {
# the uncommented baseurl line must be changed for PowerPC
# from download.fedoraproject.org/pub/fedora/linux/...
# to download.fedoraproject.org/pub/fedora-secondary/...
script_run "sed -i -e 's,/pub/fedora/linux/,/pub/fedora-secondary/,g' /etc/yum.repos.d/fedora*.repo", 0;
}
# for non-upgrade tests, we want to do the 'development' changes
# and f28 fixups *before* we set up the update repo...
unless (get_var("UPGRADE")) {
_repo_setup_updates_development if (get_var("DEVELOPMENT"));
_repo_setup_updates_28_errors if (get_var("VERSION") == 28);
}
# Set up an additional repo containing the update packages. We do
# this rather than simply running a one-time update because it may
# be the case that a package from the update isn't installed *now*
# but will be installed by one of the tests; by setting up a repo
# containing the update and enabling it here, we ensure all later
# 'dnf install' calls will get the packages from the update.
assert_script_run "mkdir -p /opt/update_repo";
assert_script_run "cd /opt/update_repo";
assert_script_run "dnf -y install bodhi-client git createrepo koji", 300;
# download the packages
assert_script_run "bodhi updates download --updateid " . get_var("ADVISORY"), 600;
# for upgrade tests, we want to do the 'development' changes *after* we
# set up the update repo. We don't do the f28 fixups as we don't have
# f28 fedora-repos.
if (get_var("UPGRADE")) {
_repo_setup_updates_development if (get_var("DEVELOPMENT"));
if ( get_var("VERSION") > 27 && get_var("CURRREL") < 28) {
# this gets really ugly, but the repo URLs changed between 27 and
# 28, so because we're using baseurl not metalink, we need to
# fix the locations up when doing upgrade tests to 28...
assert_script_run 'sed -i -e "s,/\$releasever/\$basearch/,/\$releasever/Everything/\$basearch/,g" /etc/yum.repos.d/fedora*updates*.repo';
}
}
# this can be used for debugging if something is going wrong
# unless (script_run 'pushd /etc/yum.repos.d && tar czvf yumreposd.tar.gz * && popd') {
# upload_logs "/etc/yum.repos.d/yumreposd.tar.gz";
# }
# log the exact packages in the update at test time, with their
# source packages and epochs. log is uploaded by _advisory_update
# and used for later comparison by _advisory_post
assert_script_run 'rpm -qp *.rpm --qf "%{SOURCERPM} %{EPOCH} %{NAME}-%{VERSION}-%{RELEASE}\n" | sort -u > /var/log/updatepkgs.txt';
# create the repo metadata
assert_script_run "createrepo .";
# write a repo config file
assert_script_run 'printf "[advisory]\nname=Advisory repo\nbaseurl=file:///opt/update_repo\nenabled=1\nmetadata_expire=3600\ngpgcheck=0" > /etc/yum.repos.d/advisory.repo';
# run an update now (except for upgrade tests)
script_run "dnf -y update", 600 unless (get_var("UPGRADE"));
}
sub repo_setup {
# Run the appropriate sub-function for the job
get_var("ADVISORY") ? _repo_setup_updates : _repo_setup_compose;
# This repo does not always exist for Rawhide or Branched, and
# some things (at least realmd) try to update the repodata for
# it even though it is disabled, and fail. At present none of the
# tests needs it, so let's just unconditionally nuke it.
assert_script_run "rm -f /etc/yum.repos.d/fedora-cisco-openh264.repo";
}
sub gnome_initial_setup {
# Handle gnome-initial-setup, with variations for the pre-login
# mode (when no user was created during install) and post-login
# mode (when user was created during install)
my %args = (
prelogin => 0,
timeout => 120,
@_
);
my $version = lc(get_var("VERSION"));
# the pages we *may* need to click 'next' on. *NOTE*: 'language'
# is the 'welcome' page, and is in fact never truly skipped; if
# it's configured to be skipped, it just shows without the language
# selection widget (so it's a bare 'welcome' page). Current openQA
# tests never see 'eula' or 'network'. You can find the upstream
# list in gnome-initial-setup/gnome-initial-setup.c , and the skip
# config file for Fedora is vendor.conf in the package repo.
my @nexts = ('language', 'keyboard', 'privacy', 'timezone', 'software');
# now, we're going to figure out how many of them this test will
# *actually* see...
if ($args{prelogin}) {
# 'language', 'keyboard' and 'timezone' are skipped on F28+ in
# the 'new user' mode by
# https://fedoraproject.org//wiki/Changes/ReduceInitialSetupRedundancy
# https://bugzilla.redhat.com/show_bug.cgi?id=1474787 ,
# except 'language' is never *really* skipped (see above)
@nexts = grep {$_ ne 'keyboard'} @nexts if ($version eq 'rawhide' || $version > 27);
@nexts = grep {$_ ne 'timezone'} @nexts if ($version eq 'rawhide' || $version > 27);
}
else {
# 'timezone' and 'software' are suppressed for the 'existing user'
# form of g-i-s
@nexts = grep {$_ ne 'software'} @nexts;
@nexts = grep {$_ ne 'timezone'} @nexts;
}
# 'additional software sources' screen does not display on F28+:
# https://bugzilla.gnome.org/show_bug.cgi?id=794825
@nexts = grep {$_ ne 'software'} @nexts if ($version eq 'rawhide' || $version > 27);
assert_screen "next_button", $args{timeout};
# wait a bit in case of animation
wait_still_screen 3;
# GDM 3.24.1 dumps a cursor in the middle of the screen here...
mouse_hide if ($args{prelogin});
for my $n (1..scalar(@nexts)) {
# click 'Next' $nexts times, moving the mouse to avoid
# highlight problems, sleeping to give it time to get
# to the next screen between clicks
mouse_set(100, 100);
wait_screen_change { assert_and_click "next_button"; };
# for Japanese, we need to workaround a bug on the keyboard
# selection screen
if ($n == 1 && get_var("LANGUAGE") eq 'japanese') {
if (!check_screen 'initial_setup_kana_kanji_selected', 5) {
record_soft_failure 'kana kanji not selected: bgo#776189';
assert_and_click 'initial_setup_kana_kanji';
}
}
}
# click 'Skip' one time (this is the 'goa' screen)
mouse_set(100,100);
wait_screen_change { assert_and_click "skip_button"; };
send_key "ret";
if ($args{prelogin}) {
# create user
my $user_login = get_var("USER_LOGIN") || "test";
my $user_password = get_var("USER_PASSWORD") || "weakpassword";
type_very_safely $user_login;
wait_screen_change { assert_and_click "next_button"; };
type_very_safely $user_password;
send_key "tab";
type_very_safely $user_password;
wait_screen_change { assert_and_click "next_button"; };
send_key "ret";
}
else {
# wait for the stupid 'help' screen to show and kill it
if (check_screen "getting_started") {
send_key "alt-f4";
wait_still_screen 5;
}
else {
record_soft_failure "'getting started' missing (probably BGO#790811)";
}
# don't do it again on second load
}
set_var("_setup_done", 1);
}
sub _type_user_password {
# convenience function used by anaconda_create_user, not meant
# for direct use
my $user_password = get_var("USER_PASSWORD") || "weakpassword";
if (get_var("SWITCHED_LAYOUT")) {
# we double the password, the second time using the native
# layout, so the password has both ASCII and native characters
desktop_switch_layout "ascii", "anaconda";
type_very_safely $user_password;
desktop_switch_layout "native", "anaconda";
type_very_safely $user_password;
}
else {
type_very_safely $user_password;
}
}
sub anaconda_create_user {
# Create a user, in the anaconda interface. This is here because
# the same code works both during install and for initial-setup,
# which runs post-install, so we can share it.
my %args = (
timeout => 90,
@_
);
my $user_login = get_var("USER_LOGIN") || "test";
assert_and_click "anaconda_install_user_creation", '', $args{timeout};
assert_screen "anaconda_install_user_creation_screen";
# wait out animation
wait_still_screen 2;
type_very_safely $user_login;
type_very_safely "\t\t\t\t";
_type_user_password();
wait_screen_change { send_key "tab"; };
wait_still_screen 2;
_type_user_password();
# even with all our slow typing this still *sometimes* seems to
# miss a character, so let's try again if we have a warning bar.
# But not if we're installing with a switched layout, as those
# will *always* result in a warning bar at this point (see below)
if (!get_var("SWITCHED_LAYOUT") && check_screen "anaconda_warning_bar", 3) {
wait_screen_change { send_key "shift-tab"; };
wait_still_screen 2;
_type_user_password();
wait_screen_change { send_key "tab"; };
wait_still_screen 2;
_type_user_password();
}
assert_and_click "anaconda_install_user_creation_make_admin";
assert_and_click "anaconda_spoke_done";
# since 20170105, we will get a warning here when the password
# contains non-ASCII characters. Assume only switched layouts
# produce non-ASCII characters, though this isn't strictly true
if (get_var('SWITCHED_LAYOUT') && check_screen "anaconda_warning_bar", 3) {
wait_still_screen 1;
assert_and_click "anaconda_spoke_done";
}
}
sub check_desktop_clean {
# Check we're at a 'clean' desktop. This used to be a simple
# needle check, but Rawhide's default desktop is now one which
# changes over time, and the GNOME top bar is now translucent
# by default; together these changes mean it's impossible to
# make a reliable needle, so we need something more tricksy to
# cover that case. 'tries' is the amount of check cycles to run
# before giving up and failing; each cycle should take ~3 secs.
my %args = (
tries => 10,
@_
);
foreach my $i (1..$args{tries}) {
# we still *do* the needle check, for all cases it covers
return if (check_screen "graphical_desktop_clean", 1);
# now do the special GNOME case
if (get_var("DESKTOP") eq "gnome") {
send_key "super";
if (check_screen "overview_app_grid", 2) {
send_key "super";
wait_still_screen 3;
# go back to the desktop, if we're still at the app
# grid (can be a bit fuzzy depending on response lag)
while (check_screen "overview_app_grid", 1) {
send_key "super";
wait_still_screen 3;
}
return;
}
}
else {
# to keep the timing equal
sleep 2;
}
}
die "Clean desktop not reached!";
}