components/desktop-environments, config.sh: Add SoaS variant

This adds the basic configuration for Sugar on a Stick.

config.sh

@@ -63,6 +63,9 @@ if [[ "$kiwi_profiles" == *"Live"* ]]; then
 	if [[ "$kiwi_profiles" == *"KDE"* ]]; then
 		echo 'livesys_session="kde"' > /etc/sysconfig/livesys
 	fi
+	if [[ "$kiwi_profiles" == *"SoaS"* ]]; then
+		echo 'livesys_session="soas"' > /etc/sysconfig/livesys
+	fi
 fi
 
 #======================================
@@ -192,4 +195,46 @@ if [[ "$kiwi_profiles" == *"Container"* ]]; then
 	fi
 fi
 
+if [[ "$kiwi_profiles" == *"SoaS"* ]]; then
+# Get proper release naming in the control panel
+cat >> /boot/olpc_build << EOF
+Sugar on a Stick
+EOF
+cat /etc/fedora-release >> /boot/olpc_build
+
+# Rebuild initrd for Sugar boot screen -- TODO: Switch to kiwi declarative stanza
+KERNEL_VERSION=$(rpm -q kernel --qf '%{version}-%{release}.%{arch}\n')
+/usr/sbin/plymouth-set-default-theme sugar
+sed -i -r 's/(omit_dracutmodules\+\=.*) plymouth (.*)/\1 \2/' /etc/dracut.conf.d/99-liveos.conf
+dracut --force-add plymouth -N -f /boot/initramfs-$KERNEL_VERSION.img $KERNEL_VERSION
+
+# Note that running rpm recreates the rpm db files which aren't needed or wanted
+rm -f /var/lib/rpm/__db*
+
+cat > /etc/sysconfig/desktop <<EOF
+PREFERRED=/usr/bin/sugar
+DISPLAYMANAGER=/usr/sbin/lightdm
+EOF
+
+# set up lightdm autologin
+sed -i 's/^#autologin-user=.*/autologin-user=liveuser/' /etc/lightdm/lightdm.conf
+sed -i 's/^#autologin-user-timeout=.*/autologin-user-timeout=0/' /etc/lightdm/lightdm.conf
+
+# Don't use the default system user (in SoaS liveuser) as nick name
+# Disable the logout menu item in Sugar
+# Enable Sugar power management
+cat >/usr/share/glib-2.0/schemas/sugar.soas.gschema.override <<EOF
+[org.sugarlabs.user]
+default-nick='disabled'
+
+[org.sugarlabs]
+show-logout=false
+
+[org.sugarlabs.power]
+automatic=true
+EOF
+
+/usr/bin/glib-compile-schemas /usr/share/glib-2.0/schemas
+fi
+
 exit 0