Add screen rotation

Author: asdf1nit

src/modules/admin-toolkit/start_chroot_script

@@ -158,3 +158,22 @@ then
     unpack /filesystem/tools/scripts /home/"${ADMIN_TOOLKIT_USER_SCRIPTS_NAME}"/scripts ${ADMIN_TOOLKIT_USER_SCRIPTS_NAME}
     chmod +x `find /home/"${ADMIN_TOOLKIT_USER_SCRIPTS_NAME}"/scripts -type f`
 fi
+
+# Screen Rotation
+if [ "$ADMIN_TOOLKIT_SCREEN_ROTATION" != "normal" ]
+then
+    # Handle rotation if the gui module closes after this module
+    echo "Adding screen rotation..."
+    if grep -q "GUI_SESSION_PLACEHOLDEFR" /home/pi/scripts/start_gui ; then
+        sed -i /home/pi/scripts/start_gui -e "s/^GUI_SESSION_PLACEHOLDEFR/export DISPLAY=:0/"
+        echo "/home/pi/scripts/rotate.sh $ADMIN_TOOLKIT_SCREEN_ROTATION"  >> /home/pi/scripts/start_gui
+        echo 'GUI_SESSION_PLACEHOLDEFR' >> /home/pi/scripts/start_gui
+    elif grep -q "/home/pi/scripts/run_onepageos" /home/pi/scripts/start_gui ; then
+        sed -i /home/pi/scripts/start_gui -e "s/^\/home\/pi\/scripts\/run_onepageos/export DISPLAY=:0/"
+        echo "/home/pi/scripts/rotate.sh $ADMIN_TOOLKIT_SCREEN_ROTATION"  >> /home/pi/scripts/start_gui
+        echo '/home/pi/scripts/run_onepageos' >> /home/pi/scripts/start_gui
+    else
+        echo "Couldn't add screen rotation... are you building with the gui module?"
+    fi
+
+fi