Update update_birdnet.sh

scripts/update_birdnet.sh

@@ -2,13 +2,16 @@
 # Update BirdNET-Pi
 source /etc/birdnet/birdnet.conf
 trap 'exit 1' SIGINT SIGHUP
-my_dir=${HOME}/BirdNET-Pi/scripts
+my_dir=$(realpath $(dirname $0))
 
-sudo -u${USER} git -C $my_dir/BirdNET-Pi stash
-sudo -u${USER} git -C $my_dir/BirdNET-Pi pull -f
+sudo -u${USER} git -C $my_dir stash
+sudo -u${USER} git -C $my_dir pull -f
 sudo systemctl daemon-reload
-sudo -u${USER} git -C $my_dir/BirdNET-Pi stash pop
+sudo -u${USER} git -C $my_dir stash pop
 sudo ln -sf $my_dir/* /usr/local/bin/
+if ! grep python3 <(head -n1 $my_dir/analyze.py);then
+  echo "Ensure all python scripts use the virtual environment"
+  sed -si "1 i\\#\!$(realpath $(dirname $my_dir))/BirdNET-Pi/birdnet/bin/python3" $my_dir/*.py
 if ! grep PRIVACY_MODE /etc/birdnet/birdnet.conf;then
   sudo -u${USER} echo "PRIVACY_MODE=off" >> /etc/birdnet/birdnet.conf
 fi