1 files changed, 373 insertions, 373 deletions

diff --git a/os-plugins/plugins/desktop/OpenSLX/OSPlugin/desktop.pm b/os-plugins/plugins/desktop/OpenSLX/OSPlugin/desktop.pm
index bef21fa9..9aa78d49 100644
--- a/os-plugins/plugins/desktop/OpenSLX/OSPlugin/desktop.pm
+++ b/os-plugins/plugins/desktop/OpenSLX/OSPlugin/desktop.pm
@@ -9,7 +9,7 @@
 # General information about OpenSLX can be found at http://openslx.org/
 # -----------------------------------------------------------------------------
 # desktop.pm
-#	- implementation of the 'desktop' plugin, which installs  
+#    - implementation of the 'desktop' plugin, which installs  
 #     all needed information for a displaymanager and for the desktop. 
 # -----------------------------------------------------------------------------
 package OpenSLX::OSPlugin::desktop;
@@ -27,449 +27,449 @@ use OpenSLX::Utils;
 
 sub new
 {
-	my $class = shift;
+    my $class = shift;
 
-	my $self = {
-		name => 'desktop',
-	};
+    my $self = {
+        name => 'desktop',
+    };
 
-	return bless $self, $class;
+    return bless $self, $class;
 }
 
 sub getInfo
 {
-	my $self = shift;
-
-	return {
-		description => unshiftHereDoc(<<'		End-of-Here'),
-			Sets a desktop and creates needed configs, theme can be set as well.
-		End-of-Here
-		mustRunAfter => [],
-	};
+    my $self = shift;
+
+    return {
+        description => unshiftHereDoc(<<'        End-of-Here'),
+            Sets a desktop and creates needed configs, theme can be set as well.
+        End-of-Here
+        mustRunAfter => [],
+    };
 }
 
 sub getAttrInfo
 {
-	my $self = shift;
-
-	return {
-		'desktop::active' => {
-			applies_to_systems => 1,
-			applies_to_clients => 1,
-			description => unshiftHereDoc(<<'			End-of-Here'),
-				should the 'desktop'-plugin be executed during boot?
-			End-of-Here
-			content_regex => qr{^(0|1)$},
-			content_descr => '1 means active - 0 means inactive',
-			default => '1',
-		},
-		'desktop::precedence' => {
-			applies_to_systems => 1,
-			applies_to_clients => 1,
-			description => unshiftHereDoc(<<'			End-of-Here'),
-				the execution precedence of the 'desktop' plugin
-			End-of-Here
-			content_regex => qr{^\d\d$},
-			content_descr => 'allowed range is from 01-99',
-			default => 40,
-		},
-		'desktop::manager' => {
-			applies_to_systems => 1,
-			applies_to_clients => 1,
-			description => unshiftHereDoc(<<'			End-of-Here'),
-				which display manager to start: gdm, kdm or xdm?
-			End-of-Here
-			content_regex => qr{^(g|k|x)dm$},
-			content_descr => 'allowed: gdm, kdm, xdm',
-			default => undef,
-		},
-		'desktop::kind' => {
-			applies_to_systems => 1,
-			applies_to_clients => 1,
-			description => unshiftHereDoc(<<'			End-of-Here'),
-				which desktop environment shall be used: gnome, kde, or xfce?
-			End-of-Here
-			content_regex => qr{^(gnome,kde,xfce)$},
-			content_descr => 'allowed: gnome, kde, xfce',
-			default => undef,
-		},
-		'desktop::mode' => {
-			applies_to_systems => 1,
-			applies_to_clients => 1,
-			description => unshiftHereDoc(<<'			End-of-Here'),
-				which type of operation mode shall be activated:
-				    workstattion, kiosk or chooser?
-			End-of-Here
-			content_regex => qr{^(workstation|kiosk|chooser)$},
-			content_descr => 'allowed: workstation,kiosk,chooser',
-			default => 'workstation',
-		},
-		'desktop::theme' => {
-			applies_to_systems => 1,
-			applies_to_clients => 1,
-			description => unshiftHereDoc(<<'			End-of-Here'),
-				name of the theme to apply to the desktop (unset for no theme)
-			End-of-Here
-			content_descr => 'one of the entries in "supported_themes"',
-			default => 'openslx',
-		},
-		'desktop::supported_themes' => {
-			applies_to_vendor_os => 1,
-			description => unshiftHereDoc(<<'			End-of-Here'),
-				name of all themes that shall be installed in vendor-OS (such
-				that they can be selected via 'desktop::theme' in stage 3).
-			End-of-Here
-			content_descr => 'a comma-separated list of theme names',
-			default => 'openslx,blue,circles',
-		},
-		'desktop::gdm' => {
-			applies_to_vendor_os => 1,
-			description => unshiftHereDoc(<<'			End-of-Here'),
-				should gdm be available (installed in vendor-OS)?
-			End-of-Here
-			content_regex => qr{^0|1$},
-			content_descr => '"0", "1" or "-" (for unset)',
-			default => undef,
-		},
-		'desktop::kdm' => {
-			applies_to_vendor_os => 1,
-			description => unshiftHereDoc(<<'			End-of-Here'),
-				should kdm be available (installed in vendor-OS)?
-			End-of-Here
-			content_regex => qr{^0|1$},
-			content_descr => '"0", "1" or "-" (for unset)',
-			default => undef,
-		},
-		'desktop::xdm' => {
-			applies_to_vendor_os => 1,
-			description => unshiftHereDoc(<<'			End-of-Here'),
-				should xdm be available (installed in vendor-OS)?
-			End-of-Here
-			content_regex => qr{^0|1$},
-			content_descr => '"0", "1" or "-" (for unset)',
-			default => undef,
-		},
-		'desktop::gnome' => {
-			applies_to_vendor_os => 1,
-			description => unshiftHereDoc(<<'			End-of-Here'),
-				should gnome be available (installed in vendor-OS)?
-			End-of-Here
-			content_regex => qr{^0|1$},
-			content_descr => '"0", "1" or "-" (for unset)',
-			default => undef,
-		},
-		'desktop::kde' => {
-			applies_to_vendor_os => 1,
-			description => unshiftHereDoc(<<'			End-of-Here'),
-				should kde be available (installed in vendor-OS)?
-			End-of-Here
-			content_regex => qr{^0|1$},
-			content_descr => '"0", "1" or "-" (for unset)',
-			default => undef,
-		},
-		'desktop::xfce' => {
-			applies_to_vendor_os => 1,
-			description => unshiftHereDoc(<<'			End-of-Here'),
-				should xfce be available (installed in vendor-OS)?
-			End-of-Here
-			content_regex => qr{^0|1$},
-			content_descr => '"0", "1" or "-" (for unset)',
-			default => undef,
-		},
-	};
+    my $self = shift;
+
+    return {
+        'desktop::active' => {
+            applies_to_systems => 1,
+            applies_to_clients => 1,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                should the 'desktop'-plugin be executed during boot?
+            End-of-Here
+            content_regex => qr{^(0|1)$},
+            content_descr => '1 means active - 0 means inactive',
+            default => '1',
+        },
+        'desktop::precedence' => {
+            applies_to_systems => 1,
+            applies_to_clients => 1,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                the execution precedence of the 'desktop' plugin
+            End-of-Here
+            content_regex => qr{^\d\d$},
+            content_descr => 'allowed range is from 01-99',
+            default => 40,
+        },
+        'desktop::manager' => {
+            applies_to_systems => 1,
+            applies_to_clients => 1,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                which display manager to start: gdm, kdm or xdm?
+            End-of-Here
+            content_regex => qr{^(g|k|x)dm$},
+            content_descr => 'allowed: gdm, kdm, xdm',
+            default => undef,
+        },
+        'desktop::kind' => {
+            applies_to_systems => 1,
+            applies_to_clients => 1,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                which desktop environment shall be used: gnome, kde, or xfce?
+            End-of-Here
+            content_regex => qr{^(gnome,kde,xfce)$},
+            content_descr => 'allowed: gnome, kde, xfce',
+            default => undef,
+        },
+        'desktop::mode' => {
+            applies_to_systems => 1,
+            applies_to_clients => 1,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                which type of operation mode shall be activated:
+                    workstattion, kiosk or chooser?
+            End-of-Here
+            content_regex => qr{^(workstation|kiosk|chooser)$},
+            content_descr => 'allowed: workstation,kiosk,chooser',
+            default => 'workstation',
+        },
+        'desktop::theme' => {
+            applies_to_systems => 1,
+            applies_to_clients => 1,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                name of the theme to apply to the desktop (unset for no theme)
+            End-of-Here
+            content_descr => 'one of the entries in "supported_themes"',
+            default => 'openslx',
+        },
+        'desktop::supported_themes' => {
+            applies_to_vendor_os => 1,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                name of all themes that shall be installed in vendor-OS (such
+                that they can be selected via 'desktop::theme' in stage 3).
+            End-of-Here
+            content_descr => 'a comma-separated list of theme names',
+            default => 'openslx,blue,circles',
+        },
+        'desktop::gdm' => {
+            applies_to_vendor_os => 1,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                should gdm be available (installed in vendor-OS)?
+            End-of-Here
+            content_regex => qr{^0|1$},
+            content_descr => '"0", "1" or "-" (for unset)',
+            default => undef,
+        },
+        'desktop::kdm' => {
+            applies_to_vendor_os => 1,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                should kdm be available (installed in vendor-OS)?
+            End-of-Here
+            content_regex => qr{^0|1$},
+            content_descr => '"0", "1" or "-" (for unset)',
+            default => undef,
+        },
+        'desktop::xdm' => {
+            applies_to_vendor_os => 1,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                should xdm be available (installed in vendor-OS)?
+            End-of-Here
+            content_regex => qr{^0|1$},
+            content_descr => '"0", "1" or "-" (for unset)',
+            default => undef,
+        },
+        'desktop::gnome' => {
+            applies_to_vendor_os => 1,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                should gnome be available (installed in vendor-OS)?
+            End-of-Here
+            content_regex => qr{^0|1$},
+            content_descr => '"0", "1" or "-" (for unset)',
+            default => undef,
+        },
+        'desktop::kde' => {
+            applies_to_vendor_os => 1,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                should kde be available (installed in vendor-OS)?
+            End-of-Here
+            content_regex => qr{^0|1$},
+            content_descr => '"0", "1" or "-" (for unset)',
+            default => undef,
+        },
+        'desktop::xfce' => {
+            applies_to_vendor_os => 1,
+            description => unshiftHereDoc(<<'            End-of-Here'),
+                should xfce be available (installed in vendor-OS)?
+            End-of-Here
+            content_regex => qr{^0|1$},
+            content_descr => '"0", "1" or "-" (for unset)',
+            default => undef,
+        },
+    };
 }
 
 sub getDefaultAttrsForVendorOS
 {
-	my $self         = shift;
-	my $vendorOSName = shift;
-
-	my $attrs = $self->getAttrInfo();
-	
-	if ($vendorOSName =~ m{kde}) {
-		$attrs->{'desktop::manager'}->{default} = 'kdm';
-		$attrs->{'desktop::kind'}->{default} = 'kde';
-	}
-	elsif ($vendorOSName =~ m{gnome}) {
-		$attrs->{'desktop::manager'}->{default} = 'gdm';
-		$attrs->{'desktop::kind'}->{default} = 'gnome';
-	}
-	elsif ($vendorOSName =~ m{xfce}) {
-		$attrs->{'desktop::manager'}->{default} = 'xdm';
-		$attrs->{'desktop::kind'}->{default} = 'xcfe';
-	}
-	else {
-		# TODO: chroot into vendor-OS and determine the available desktop
-	}
-	return $attrs;
+    my $self         = shift;
+    my $vendorOSName = shift;
+
+    my $attrs = $self->getAttrInfo();
+    
+    if ($vendorOSName =~ m{kde}) {
+        $attrs->{'desktop::manager'}->{default} = 'kdm';
+        $attrs->{'desktop::kind'}->{default} = 'kde';
+    }
+    elsif ($vendorOSName =~ m{gnome}) {
+        $attrs->{'desktop::manager'}->{default} = 'gdm';
+        $attrs->{'desktop::kind'}->{default} = 'gnome';
+    }
+    elsif ($vendorOSName =~ m{xfce}) {
+        $attrs->{'desktop::manager'}->{default} = 'xdm';
+        $attrs->{'desktop::kind'}->{default} = 'xcfe';
+    }
+    else {
+        # TODO: chroot into vendor-OS and determine the available desktop
+    }
+    return $attrs;
 }
 
 sub installationPhase
 {
-	my $self = shift;
-	
-	$self->{pluginRepositoryPath} = shift;
-	$self->{pluginTempPath}       = shift;
-	$self->{openslxPath}          = shift;
-	$self->{attrs}                = shift;
-	
-	# We are going to change some of the stage1 attributes during installation
-	# (basically we are filling the ones that are not defined). Since the result
-	# of these changes might change between invocations, we do not want to store
-	# the resulting values, but we want to store the original (undef).
-	# In order to do so, we copy all stage1 attributes directly into the
-	# object hash and change them there.
-	$self->{gdm}   = $self->{attrs}->{'desktop::gdm'};
-	$self->{kdm}   = $self->{attrs}->{'desktop::kdm'};
-	$self->{xdm}   = $self->{attrs}->{'desktop::xdm'};
-	$self->{gnome} = $self->{attrs}->{'desktop::gnome'};
-	$self->{kde}   = $self->{attrs}->{'desktop::kde'};
-	$self->{xcfe}  = $self->{attrs}->{'desktop::xfce'};
-	
+    my $self = shift;
+    
+    $self->{pluginRepositoryPath} = shift;
+    $self->{pluginTempPath}       = shift;
+    $self->{openslxPath}          = shift;
+    $self->{attrs}                = shift;
+    
+    # We are going to change some of the stage1 attributes during installation
+    # (basically we are filling the ones that are not defined). Since the result
+    # of these changes might change between invocations, we do not want to store
+    # the resulting values, but we want to store the original (undef).
+    # In order to do so, we copy all stage1 attributes directly into the
+    # object hash and change them there.
+    $self->{gdm}   = $self->{attrs}->{'desktop::gdm'};
+    $self->{kdm}   = $self->{attrs}->{'desktop::kdm'};
+    $self->{xdm}   = $self->{attrs}->{'desktop::xdm'};
+    $self->{gnome} = $self->{attrs}->{'desktop::gnome'};
+    $self->{kde}   = $self->{attrs}->{'desktop::kde'};
+    $self->{xcfe}  = $self->{attrs}->{'desktop::xfce'};
+    
 use Data::Dumper; print Dumper $self->{attrs};
 
-	$self->_installRequiredPackages();
-	$self->_fillUnsetStage1Attrs();
-	$self->_ensureSensibleStage3Attrs();
+    $self->_installRequiredPackages();
+    $self->_fillUnsetStage1Attrs();
+    $self->_ensureSensibleStage3Attrs();
 
 use Data::Dumper; print Dumper $self->{attrs};
 
-	# start to actually do something - according to current stage1 attributes
-	if ($self->{gdm}) {
-		$self->_setupGDM();
-	}
-	if ($self->{kdm}) {
-		$self->_setupKDM();
-	}
-	if ($self->{xdm}) {
-		$self->_setupXDM();
-	}
-
-	return;
+    # start to actually do something - according to current stage1 attributes
+    if ($self->{gdm}) {
+        $self->_setupGDM();
+    }
+    if ($self->{kdm}) {
+        $self->_setupKDM();
+    }
+    if ($self->{xdm}) {
+        $self->_setupXDM();
+    }
+
+    return;
 }
 
 sub removalPhase
 {
-	my $self = shift;
-	my $pluginRepositoryPath = shift;
-	my $pluginTempPath = shift;
+    my $self = shift;
+    my $pluginRepositoryPath = shift;
+    my $pluginTempPath = shift;
 
-	return;
+    return;
 }
 
 sub copyRequiredFilesIntoInitramfs
 {
-	my $self                = shift;
-	my $targetPath          = shift;
-	my $attrs               = shift;
-	my $makeInitRamFSEngine = shift;
-	
-	my $themeDir = "$openslxConfig{'base-path'}/share/themes";
+    my $self                = shift;
+    my $targetPath          = shift;
+    my $attrs               = shift;
+    my $makeInitRamFSEngine = shift;
+    
+    my $themeDir = "$openslxConfig{'base-path'}/share/themes";
         my $desktopXdmcp = $attrs->{'desktop::xdmcp'} || '';
-	my $xdmcpConfigDir = "$openslxConfig{'base-path'}/lib/plugins/desktop/files/$desktopXdmcp";
-	my $desktopTheme = $attrs->{'desktop::theme'} || '';
-	if ($desktopTheme) {
-		my $desktopThemeDir 
-			= "$themeDir/$desktopTheme/desktop/$desktopXdmcp";
-		if (-d $desktopThemeDir) {
+    my $xdmcpConfigDir = "$openslxConfig{'base-path'}/lib/plugins/desktop/files/$desktopXdmcp";
+    my $desktopTheme = $attrs->{'desktop::theme'} || '';
+    if ($desktopTheme) {
+        my $desktopThemeDir 
+            = "$themeDir/$desktopTheme/desktop/$desktopXdmcp";
+        if (-d $desktopThemeDir) {
                         $makeInitRamFSEngine->addCMD(
                                 "mkdir -p $targetPath/usr/share/files"
                         );
-			$makeInitRamFSEngine->addCMD(
-				"mkdir -p $targetPath/usr/share/themes"
-			);
-			$makeInitRamFSEngine->addCMD(
-				"cp -a $desktopThemeDir $targetPath/usr/share/themes/"
-			);
+            $makeInitRamFSEngine->addCMD(
+                "mkdir -p $targetPath/usr/share/themes"
+            );
+            $makeInitRamFSEngine->addCMD(
+                "cp -a $desktopThemeDir $targetPath/usr/share/themes/"
+            );
                         $makeInitRamFSEngine->addCMD(
                                 "cp -a $xdmcpConfigDir $targetPath/usr/share/files"
                         );
-		}
-	}
-	else {
-		$desktopTheme = '<none>';
-	}
-
-	vlog(
-		1, 
-		_tr(
-			"desktop-plugin: desktop=%s", 
-			$desktopTheme
-		)
-	);
-
-	return;
+        }
+    }
+    else {
+        $desktopTheme = '<none>';
+    }
+
+    vlog(
+        1, 
+        _tr(
+            "desktop-plugin: desktop=%s", 
+            $desktopTheme
+        )
+    );
+
+    return;
 }
 
 sub _installRequiredPackages
 {
-	my $self  = shift;
-
-	my $engine = $self->{'os-plugin-engine'};
-	
-	if ($self->{'gnome'} && !$self->{distro}->isGNOMEInstalled()) {
-		$self->{distro}->installGNOME();
-	}
-	if ($self->{'gdm'} && !$self->{distro}->isGDMInstalled()) {
-		$self->{distro}->installGDM();
-	}
-	if ($self->{'kde'} && !$self->{distro}->isKDEInstalled()) {
-		$self->{distro}->installKDE();
-	}
-	if ($self->{'kdm'} && !$self->{distro}->isKDMInstalled()) {
-		$self->{distro}->installKDM();
-	}
-	if ($self->{'xfce'} && !$self->{distro}->isXFCEInstalled()) {
-		$self->{distro}->installXFCE();
-	}
-	if ($self->{'xdm'} && !$self->{distro}->isXDMInstalled()) {
-		$self->{distro}->installXDM();
-	}
-
-	return 1;
+    my $self  = shift;
+
+    my $engine = $self->{'os-plugin-engine'};
+    
+    if ($self->{'gnome'} && !$self->{distro}->isGNOMEInstalled()) {
+        $self->{distro}->installGNOME();
+    }
+    if ($self->{'gdm'} && !$self->{distro}->isGDMInstalled()) {
+        $self->{distro}->installGDM();
+    }
+    if ($self->{'kde'} && !$self->{distro}->isKDEInstalled()) {
+        $self->{distro}->installKDE();
+    }
+    if ($self->{'kdm'} && !$self->{distro}->isKDMInstalled()) {
+        $self->{distro}->installKDM();
+    }
+    if ($self->{'xfce'} && !$self->{distro}->isXFCEInstalled()) {
+        $self->{distro}->installXFCE();
+    }
+    if ($self->{'xdm'} && !$self->{distro}->isXDMInstalled()) {
+        $self->{distro}->installXDM();
+    }
+
+    return 1;
 }
 
 sub _fillUnsetStage1Attrs
 {
-	my $self = shift;
-
-	if (!defined $self->{'gnome'}) {
-		$self->{'gnome'} = $self->{distro}->isGNOMEInstalled();
-	}
-	if (!defined $self->{'gdm'}) {
-		$self->{'gdm'} = $self->{distro}->isGDMInstalled();
-	}
-	if (!defined $self->{'kde'}) {
-		$self->{'kde'} = $self->{distro}->isKDEInstalled();
-	}
-	if (!defined $self->{'kdm'}) {
-		$self->{'kdm'} = $self->{distro}->isKDMInstalled();
-	}
-	if (!defined $self->{'xfce'}) {
-		$self->{'xfce'} = $self->{distro}->isXFCEInstalled();
-	}
-	if (!defined $self->{'xdm'}) {
-		$self->{'xdm'} = $self->{distro}->isXDMInstalled();
-	}
-
-	return 1;
+    my $self = shift;
+
+    if (!defined $self->{'gnome'}) {
+        $self->{'gnome'} = $self->{distro}->isGNOMEInstalled();
+    }
+    if (!defined $self->{'gdm'}) {
+        $self->{'gdm'} = $self->{distro}->isGDMInstalled();
+    }
+    if (!defined $self->{'kde'}) {
+        $self->{'kde'} = $self->{distro}->isKDEInstalled();
+    }
+    if (!defined $self->{'kdm'}) {
+        $self->{'kdm'} = $self->{distro}->isKDMInstalled();
+    }
+    if (!defined $self->{'xfce'}) {
+        $self->{'xfce'} = $self->{distro}->isXFCEInstalled();
+    }
+    if (!defined $self->{'xdm'}) {
+        $self->{'xdm'} = $self->{distro}->isXDMInstalled();
+    }
+
+    return 1;
 }
 
 sub _ensureSensibleStage3Attrs
 {
-	my $self = shift;
-
-	# check if current desktop kind is enabled at all and select another
-	# one, if it isn't
-	my $kind = $self->{attrs}->{'desktop::kind'} || '';
-	if (!$self->{$kind}) {
-		my @desktops = map { $self->{$_} ? $_ : () } qw( gnome kde xfce );
-		if (!@desktops) {
-			die _tr(
-				"no desktop kind is possible, plugin 'desktop' wouldn't work!"
-			);
-		}
-		$self->{attrs}->{'desktop::kind'} = $desktops[0];
-	}
-
-	# check if current desktop manager is enabled at all and select another
-	# one, if it isn't
-	my $manager = $self->{attrs}->{'desktop::manager'} || '';
-	if (!$self->{$manager}) {
-		my @managers = map { $self->{$_} ? $_ : () } qw( gdm kdm xdm );
-		if (!@managers) {
-			die _tr(
-				"no desktop manager is possible, plugin 'desktop' wouldn't work!"
-			);
-		}
-		$self->{attrs}->{'desktop::manager'} = $managers[0];
-	}
-
-	return 1;
+    my $self = shift;
+
+    # check if current desktop kind is enabled at all and select another
+    # one, if it isn't
+    my $kind = $self->{attrs}->{'desktop::kind'} || '';
+    if (!$self->{$kind}) {
+        my @desktops = map { $self->{$_} ? $_ : () } qw( gnome kde xfce );
+        if (!@desktops) {
+            die _tr(
+                "no desktop kind is possible, plugin 'desktop' wouldn't work!"
+            );
+        }
+        $self->{attrs}->{'desktop::kind'} = $desktops[0];
+    }
+
+    # check if current desktop manager is enabled at all and select another
+    # one, if it isn't
+    my $manager = $self->{attrs}->{'desktop::manager'} || '';
+    if (!$self->{$manager}) {
+        my @managers = map { $self->{$_} ? $_ : () } qw( gdm kdm xdm );
+        if (!@managers) {
+            die _tr(
+                "no desktop manager is possible, plugin 'desktop' wouldn't work!"
+            );
+        }
+        $self->{attrs}->{'desktop::manager'} = $managers[0];
+    }
+
+    return 1;
 }
 
 sub _setupGDM
 {
-	my $self = shift;
-	my $attrs = shift;
-	
-	my $repoPath = $self->{pluginRepositoryPath};
-	mkpath([ 
-		"$repoPath/gdm/workstation",
-		"$repoPath/gdm/kiosk",
-		"$repoPath/gdm/chooser",
-	]);
-	
-	my $pathInfo   = $self->{distro}->GDMPathInfo();
-	$self->_setupGDMScript($pathInfo);
-
-	my $configHash = $self->{distro}->GDMConfigHashForWorkstation();
-	$self->_writeConfigHash($configHash, "$repoPath/gdm/workstation/gdm.conf");
-	
-	$configHash = $self->{distro}->GDMConfigHashForKiosk();
-	$self->_writeConfigHash($configHash, "$repoPath/gdm/kiosk/gdm.conf");
-
-	$configHash = $self->{distro}->GDMConfigHashForChooser();
-	$self->_writeConfigHash($configHash, "$repoPath/gdm/chooser/gdm.conf");
-
-	return;	
+    my $self = shift;
+    my $attrs = shift;
+    
+    my $repoPath = $self->{pluginRepositoryPath};
+    mkpath([ 
+        "$repoPath/gdm/workstation",
+        "$repoPath/gdm/kiosk",
+        "$repoPath/gdm/chooser",
+    ]);
+    
+    my $pathInfo   = $self->{distro}->GDMPathInfo();
+    $self->_setupGDMScript($pathInfo);
+
+    my $configHash = $self->{distro}->GDMConfigHashForWorkstation();
+    $self->_writeConfigHash($configHash, "$repoPath/gdm/workstation/gdm.conf");
+    
+    $configHash = $self->{distro}->GDMConfigHashForKiosk();
+    $self->_writeConfigHash($configHash, "$repoPath/gdm/kiosk/gdm.conf");
+
+    $configHash = $self->{distro}->GDMConfigHashForChooser();
+    $self->_writeConfigHash($configHash, "$repoPath/gdm/chooser/gdm.conf");
+
+    return;    
 }
 
 sub _setupGDMScript
 {
-	my $self = shift;
-	my $pathInfo = shift;
-	
-	my $repoPath = $self->{pluginRepositoryPath};
-	my $configFile = $pathInfo->{config};
-	my $paths 
-		= join(
-			' ', 
-			map  { '/mnt' . $_ } ( dirname($configFile), @{$pathInfo->{paths}} )
-		);
-	my $script = unshiftHereDoc(<<"	End-of-Here");
-		#!/bin/ash
-		# written by OpenSLX-plugin 'desktop'
-		mkdir -p $paths 2>/dev/null
-		ln -sf $repoPath/gdm/\$desktop_mode/gdm.conf /mnt$configFile
-		rllinker gdm 1 15
-	End-of-Here
-	spitFile("$repoPath/gdm/desktop.sh", $script);
-	return;
+    my $self = shift;
+    my $pathInfo = shift;
+    
+    my $repoPath = $self->{pluginRepositoryPath};
+    my $configFile = $pathInfo->{config};
+    my $paths 
+        = join(
+            ' ', 
+            map  { '/mnt' . $_ } ( dirname($configFile), @{$pathInfo->{paths}} )
+        );
+    my $script = unshiftHereDoc(<<"    End-of-Here");
+        #!/bin/ash
+        # written by OpenSLX-plugin 'desktop'
+        mkdir -p $paths 2>/dev/null
+        ln -sf $repoPath/gdm/\$desktop_mode/gdm.conf /mnt$configFile
+        rllinker gdm 1 15
+    End-of-Here
+    spitFile("$repoPath/gdm/desktop.sh", $script);
+    return;
 }
 
 sub _setupKDM
 {
-	my $self = shift;
-	my $attrs = shift;
-	
+    my $self = shift;
+    my $attrs = shift;
+    
 }
 
 sub _setupXDM
 {
-	my $self = shift;
-	my $attrs = shift;
+    my $self = shift;
+    my $attrs = shift;
 }
 
 sub _writeConfigHash
 {
-	my $self = shift;
-	my $hash = shift || {};
-	my $file = shift;
-	
-	my $content = '';
-	for my $domain (sort keys %$hash) {
-		$content .= "[$domain]\n";
-		for my $key (sort keys %{$hash->{$domain}}) {
-			my $value 
-				= defined $hash->{$domain}->{$key} 
-					? $hash->{$domain}->{$key}
-					: '';
-			$content .= "$key=$value\n";
-		}
-		$content .= "\n";
-	}
-	spitFile($file, $content);
+    my $self = shift;
+    my $hash = shift || {};
+    my $file = shift;
+    
+    my $content = '';
+    for my $domain (sort keys %$hash) {
+        $content .= "[$domain]\n";
+        for my $key (sort keys %{$hash->{$domain}}) {
+            my $value 
+                = defined $hash->{$domain}->{$key} 
+                    ? $hash->{$domain}->{$key}
+                    : '';
+            $content .= "$key=$value\n";
+        }
+        $content .= "\n";
+    }
+    spitFile($file, $content);
 }
 
 1;