install.sh: add linking step

Also make git clone smarter, by performing check if there is
existing repo cloned or not.

Signed-off-by: Dhruva Gole <goledhruva@gmail.com>

Author: DhruvaG2000

install.sh

@@ -1,11 +1,18 @@
 #!/bin/bash
 
-echo "Cloning ArduinoCore API in" $HOME
-git clone git@github.com:arduino/ArduinoCore-API ~/.ArduinoCore-API
+API_FOLDER=~/.ArduinoCore-API
+if [ ! -d "$API_FOLDER" ] ; then
+	echo "Cloning ArduinoCore API in" $API_FOLDER
+	git clone git@github.com:arduino/ArduinoCore-API ~/.ArduinoCore-API
+else
+	echo "API Folder already exists, skipping clone..."
+fi
 
 echo "Commenting out WCharacter.h because it fails to build properly"
 sed '/WCharacter.h/ s/./\/\/ &/' ~/.ArduinoCore-API/api/ArduinoAPI.h > ~/.ArduinoCore-API/api/tmpArduinoAPI.h
 mv ~/.ArduinoCore-API/api/tmpArduinoAPI.h ~/.ArduinoCore-API/api/ArduinoAPI.h
 
-echo "Linking..."
-#ln -s ~/Downloads/ArduinoCore-API/api ~/zephyrproject/modules/lib/Arduino-Zephyr-API/cores/arduino/.
+echo "\n\nLinking..."
+ln -sf ~/.ArduinoCore-API/api ~/zephyrproject/modules/lib/Arduino-Zephyr-API/cores/arduino/.
+
+echo "\nModule Successfully installed..."