Install Arduino-IDE

update_arduino.sh

#!/bin/bash

# get current dir
arduino_dir="/opt/$(ls /opt/ | grep arduino | grep -v tar)"
if [ "$arduino_dir" == "/opt/" ]
then
    arduino_dir=""
fi
echo "Arduino DIR: $arduino_dir"
arduino_dir_version=$(echo $arduino_dir | sed 's/.*arduino-//')
echo "Arduino DIR Version: $arduino_dir_version"

# get current url
arduino_url=$(curl -s https://www.arduino.cc/en/Main/Software | sed 's/<a/\n<a/g' | grep '\.tar\.xz' | grep linux64 | grep -v beta | grep -v nightly | sed s/.*href=\"// | cut -d"\"" -f1 | awk -F/ '{print $NF}')
arduino_url="https://downloads.arduino.cc/$arduino_url"
echo "Arduino URL: $arduino_url"
arduino_url_version=$(echo $arduino_url | awk -F/ '{print $NF}' | sed 's/arduino-//' | sed 's/-.*//')
echo "Arduino URL Version: $arduino_url_version"
arduino_url_dir=$(echo $arduino_url | awk -F/ '{print $NF}' | cut -d"/" -f-1 | sed s/'-linux64.tar.xz'// )
#echo "Arduino URL Dir: $arduino_url_dir"

# check that a current version is found
if [ "$arduino_dir_version" == "" ]
then
	echo "New Installation! (no old version found)"
	new_install="1"
fi

# check that a new version and url are found
if [ "$arduino_url" == "" ] || [ "$arduino_url_version" == "" ]
then
	echo "couldn't find url for new version"
	exit
fi

# check current dir version with current url version
if [ "$arduino_dir_version" != "$arduino_url_version" ]
then
	if [ "$new_install" != "1" ]
	then
		echo "New Version Found!"
	fi

	cd /opt/
	# download
	wget --quiet --show-progress -O arduino.new.tar.xz "$arduino_url"
	# unpack
	tar -xf arduino.new.tar.xz
	# remove download
	rm arduino.new.tar.xz

	# remove old version
	rm -rf $arduino_dir

    # install desktop shortcut, menu item and file associations
	cd $arduino_url_dir/
	./install.sh

	# check for Stack dir
	if [ -d /data/Stack ]
	then
		# setup some better defaults :-)
		if [ -f ~/.arduino15/preferences.txt ]
		then
			sed -i s:sketchbook.path=.*:sketchbook.path=/data/Stack/Arduino: ~/.arduino15/preferences.txt
		else
			mkdir -p ~/.arduino15
			echo "build.verbose=true" >> ~/.arduino15/preferences.txt
			echo "upload.verbose=true" >> ~/.arduino15/preferences.txt
			echo "editor.linenumbers=true" >> ~/.arduino15/preferences.txt
			echo "sketchbook.path=/data/Stack/Arduino" >> ~/.arduino15/preferences.txt
		fi
	fi
fi