setup.sh now automatically configures your SensorToDisplayScale and writes it to AutomaticBrightness.sh

setup.sh now can update your service and script file along with restarting the service

setup.sh

@@ -1,11 +1,46 @@
 #!/bin/bash
+#
+case $1 in
+        -u) echo "Updading Mac-like-automatic-brightness..."
+          echo "Stopping AB service..."
+          sudo systemctl kill AB
+          echo "Updating AutomaticBrightness.sh..."
+          echo "Cloning AutomaticBrighness.sh..."
+          sudo cp AutomaticBrightness.sh /usr/local/bin/AutomaticBrightness.sh
+          echo "Updating AB.service for systemD..."
+          echo "Cloning AB.service for systemD..."
+          sudo cp AB.service /etc/systemd/system/AB.service
+          echo "Restarting AB service..."
+          systemctl daemon-reload
+          sudo systemctl start AB
+          exit;;
+esac
+
 echo "Setting up AutomaticBrightness.sh as a service..."
 
-echo "Cloning AutomaticBrighness.sh..."
-sudo cp AutomaticBrightness.sh /usr/local/bin/
+echo "Calibrating Light Sensor Scale..."
 
-echo "Cloning AB.service for systemD"
-sudo cp AB.service /etc/systemd/system/
+LSensorPath=$(find -L /sys/bus/iio/devices -maxdepth 2  -name "in_illuminance_raw" 2>/dev/null | grep "in_illuminance_raw")
+
+MaxScreenBrightness=$(find -L /sys/class/backlight -maxdepth 2 -name "max_brightness" 2>/dev/null | grep "max_brightness" | xargs cat)
+
+echo "Put your sensor in a bright light (outside works best)"
+read -p "Press Enter to continue..."
+
+Smax=$(cat $LSensorPath)
+
+Scale=$(echo "scale=2; $MaxScreenBrightness / $Smax" | bc)
+
+Final="SensorToDisplayScale=$Scale"
+
+awk -v new_phrase="$Final" '/SensorToDisplayScale/{ print new_phrase; next } 1' AutomaticBrightness.sh  > temp && mv temp AutomaticBrightness.sh
+
+
+echo "Cloning AutomaticBrighness.sh..."
+sudo cp AutomaticBrightness.sh /usr/local/bin/AutomaticBrightness.sh
+
+echo "Cloning AB.service for systemD..."
+sudo cp AB.service /etc/systemd/system/AB.service
 
 
 echo "Startin Service..."