preparing for an installation

moved systemd services to /usr/lib/systemd/system
will symlink from templates for easy updates

scripts/update_birdnet.sh

@@ -1,59 +1,12 @@
 #!/usr/bin/env bash
 # Update BirdNET-Pi
 source /etc/birdnet/birdnet.conf
-trap 'rm -f ${tmpfile}' EXIT
 trap 'exit 1' SIGINT SIGHUP
 USER=pi
 HOME=/home/pi
 my_dir=${HOME}/BirdNET-Pi/scripts
-tmpfile=$(mktemp)
 
-services=$(awk '/service/ && /systemctl/ && !/php/ {print $3}' ${my_dir}/install_services.sh | sort)
-
-remove_services() {
-  for i in "${services[@]}"; do
-    if [ -L /etc/systemd/system/multi-user.target.wants/"${i}" ];then
-      sudo systemctl kill "${i}"
-      sudo systemctl disable "${i}"
-    fi
-    if [ -f /etc/systemd/system/"${i}" ];then
-      sudo rm /etc/systemd/system/"${i}"
-    fi
-    if [ -d /etc/systemd/system/"${i}" ];then
-      sudo rm -drf /etc/systemd/system/"${i}"
-    fi
-  done
-  remove_icecast
-  remove_crons
-}
-
-remove_crons() {
-  sudo sed -i '/birdnet/,+1d' /etc/crontab
-}
-
-remove_icecast() {
-  if [ -f /etc/init.d/icecast2 ];then
-    sudo /etc/init.d/icecast2 stop
-    sudo systemctl disable --now icecast2
-  fi
-}
-
-remove_scripts() {
-  for i in "${scripts[@]}";do
-    if [ -L "/usr/local/bin/${i}" ];then
-      sudo rm -v "/usr/local/bin/${i}"
-    fi
-  done
-}
-
-# Stage 1 removes old stuff
-remove_services
-remove_scripts
-
-# Backup labels.txt
-sudo -u${USER} cp -f ~/BirdNET-Pi/model/labels.txt{,.bak}
-# Stage 2 does a git pull to fetch new things
-sudo -u${USER} git -C ${HOME}/BirdNET-Pi checkout -f
-sudo -u${USER} git -C ${HOME}/BirdNET-Pi pull -f
-# Trigger the new update_birdnet2.sh
-sudo -u${USER} ${my_dir}/update_birdnet2.sh
+sudo -u${USER} git -C /home/pi/BirdNET-Pi stash
+sudo -u${USER} git -C /home/pi/BirdNET-Pi pull
+sudo systemctl daemon-reload
+sudo -u${USER} git -C /home/pi/BirdNET-Pi stash pop