code review fix

Author: mirkoCrobu

debian/arduino-app-cli/DEBIAN/prerm

@@ -2,3 +2,4 @@
 
 systemctl disable arduino-app-cli
 systemctl disable arduino-burn-bootloader
+systemctl disable arduino-avahi-serial.service

debian/arduino-app-cli/etc/systemd/system/arduino-avahi-serial.service

@@ -1,14 +1,14 @@
 [Unit]
 Description=Configure Avahi with board serial number
 Before=avahi-daemon.service
-ConditionPathExists=!/var/lib/arduino/avahi_serial_configured.flag
+ConditionPathExists=!/var/lib/arduino-app-cli/avahi_serial_configured.flag
 
 [Service]
 Type=oneshot
 RemainAfterExit=true
-ExecStart=/usr/sbin/arduino-avahi-serial.sh
-ExecStartPost=/bin/mkdir -p /var/lib/arduino
-ExecStartPost=/bin/touch /var/lib/arduino/avahi_serial_configured.flag
+ExecStart=/usr/local/bin/arduino-avahi-serial.sh
+ExecStartPost=/bin/mkdir -p /var/lib/arduino-app-cli
+ExecStartPost=/bin/touch /var/lib/arduino-app-cli/avahi_serial_configured.flag
 
 StandardOutput=journal
 StandardError=journal

debian/arduino-app-cli/usr/sbin/arduino-avahi-serial.sh renamed to debian/arduino-app-cli/usr/local/bin/arduino-avahi-serial.sh

@@ -26,16 +26,13 @@ if [ -z "$SERIAL_NUMBER" ]; then
     exit 1 
 fi
 
-if grep -q "serial_number=${SERIAL_NUMBER}" "$TARGET_FILE"; then
+if grep -q "serial_number=" "$TARGET_FILE"; then
     echo "Serial number ($SERIAL_NUMBER) already configured. Skipping."
     exit 0
 fi
 
-NEW_LINE="  <txt-record>serial_number=${SERIAL_NUMBER}</txt-record>"
-
 echo "Adding serial number to $TARGET_FILE..."
-
-sed -i "\#${MARKER_LINE}#i ${NEW_LINE}" "$TARGET_FILE"
+sed -i "/<\/service>/i <txt-record>serial_number=${SERIAL_NUMBER}<\/txt-record>" "$TARGET_FILE"
 
 echo "Avahi configuration attempt finished."
 exit 0