Merge branch 'master-b-p' of http://github.com/alanbjohnston/CubeSatSim into master-b-p

install

@@ -559,22 +559,21 @@ sudo sed -i 's/#hdmi_force_hotplug=1/hdmi_force_hotplug=1/g' /boot/config.txt
 
 sudo raspi-config nonint do_vnc 0
 
-cd /tmp
 
-wget https://www.g0kla.com/pacsat/downloads/test/PacsatGround_unix_0_46o.tar.gz
 
-tar -xzf PacsatGround_unix_0_46o.tar.gz -C /home/pi/Desktop
+if [ ! -d "/home/pi/PacSatGround" ]; then
 
+	cd /tmp
+	wget https://www.g0kla.com/pacsat/downloads/test/PacsatGround_unix_0_46o.tar.gz
+	tar -xzf PacsatGround_unix_0_46o.tar.gz -C /home/pi/Desktop
 	rm PacsatGround_unix_0_46o.tar.gz
-
 	cp /home/pi/CubeSatSim/spacecraft/PacSatGround_0.46o/* /home/pi/Desktop/PacsatGround/spacecraft/
-	
 	mkdir /home/pi/PacSatGround
-
 	sudo usermod -a -G gpio pi
-
 	sudo apt-get install default-jdk -y
 
+fi
+
 cd
 
 if [ ! -d "/home/pi/PiSSTVpp" ]; then