Nov 7, 2025 · Nov 7, 2025 · Nov 7, 2025 · Nov 7, 2025 · Nov 7, 2025 · Nov 7, 2025
diff --git a/debian/arduino-app-cli/DEBIAN/postinst b/debian/arduino-app-cli/DEBIAN/postinst

 systemctl enable arduino-app-cli
 systemctl enable arduino-burn-bootloader
 systemctl enable arduino-avahi-serial.service
diff --git a/debian/arduino-app-cli/etc/systemd/system/arduino-avahi-serial.service b/debian/arduino-app-cli/etc/systemd/system/arduino-avahi-serial.service
 [Unit]
 Description=Configure Avahi with board serial number
 Before=avahi-daemon.service
 ConditionPathExists=!/var/lib/arduino/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

 StandardOutput=journal
 StandardError=journal

 [Install]
 WantedBy=multi-user.target
diff --git a/debian/arduino-app-cli/usr/sbin/arduino-avahi-serial.sh b/debian/arduino-app-cli/usr/sbin/arduino-avahi-serial.sh
 #!/bin/sh
 #
 # Configure Avahi with the serial number.
 # This operation is non-blocking: if it fails,
 # the script will exit with success in order to
 # not to interrupt the post-install process.
 #

 TARGET_FILE="/etc/avahi/services/arduino.service"
 MARKER_LINE="</service>"
 SERIAL_NUMBER_PATH="/sys/devices/soc0/serial_number"

 echo"Configuring Avahi with serial number for network discovery..."

 if [!-f"$SERIAL_NUMBER_PATH" ];then
 echo"Warning: Serial number path not found at$SERIAL_NUMBER_PATH. Skipping.">&2
 exit 0
 fi


 if [!-w"$TARGET_FILE" ];then
 echo"Warning: Target file$TARGET_FILE not found or not writable. Skipping.">&2
 exit 0
 fi

 SERIAL_NUMBER=$(cat"$SERIAL_NUMBER_PATH")

 if [-z"$SERIAL_NUMBER" ];then
 echo"Warning: Serial number file is empty. Skipping.">&2
 exit 0
 fi

 if grep -q"serial_number=${SERIAL_NUMBER}""$TARGET_FILE";then
 echo"Serial number ($SERIAL_NUMBER) already configured. Skipping."
 exit 0
 fi

 SERIAL_NUMBER_ESCAPED=$(echo"$SERIAL_NUMBER"| sed -e's/\\/\\\\/g' -e's/\//\\\//g' -e's/\&/\\\&/g')
 NEW_LINE="  <txt-record>serial_number=${SERIAL_NUMBER_ESCAPED}</txt-record>"

 echo"Adding serial number to$TARGET_FILE..."

 sed -i"\#${MARKER_LINE}#i${NEW_LINE}""$TARGET_FILE"

 echo"Avahi configuration attempt finished."
 exit 0
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,17 @@
		[Unit]
		Description=Configure Avahi with board serial number
		Before=avahi-daemon.service
		ConditionPathExists=!/var/lib/arduino/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

		StandardOutput=journal
		StandardError=journal

		[Install]
		WantedBy=multi-user.target