More robust implementation in offline-update.service

Author: MaxPayne86

recipes-support/arduino-ootb/arduino-ootb/offline-update.service

@@ -6,6 +6,6 @@ Conflicts=connection-status-led.timer connection-status-led.service m4-led-forwa
 [Service]
 Type=oneshot
 ExecStartPre=/bin/sh -c 'echo heartbeat > /sys/class/leds/ledG/trigger; echo none > /sys/class/leds/ledR/trigger'
-ExecStart=/bin/sh -c '/usr/bin/aklite-offline install --log-level=0 --src-dir /var/sota/offline-updates/; RET=$?; if [ $RET -eq 0 ] || [ $RET -eq 100 ] || [ $RET -eq 101 ]; then touch /var/run/offline-update-success; else rm -f /var/run/offline-update-success; fi'
+ExecStart=/bin/sh -c '/usr/bin/aklite-offline install --log-level=0 --src-dir /var/sota/offline-updates/; RET=$?; if [ $RET -eq 0 ] || [ $RET -eq 100 ] || [ $RET -eq 101 ]; then touch /var/run/offline-update-success; else rm -f /var/run/offline-update-success; fi; exit 0'
 ExecStartPost=/bin/sh -c 'if [ -f /var/run/offline-update-success ]; then echo default-on > /sys/class/leds/ledG/trigger; echo none > /sys/class/leds/ledR/trigger; else echo none > /sys/class/leds/ledG/trigger; echo default-on > /sys/class/leds/ledR/trigger; fi'
-ExecStartPost=/bin/sh -c 'touch /var/sota/offline-update-pending; shutdown -r 1'
+ExecStartPost=/bin/sh -c 'if [ -f /var/run/offline-update-success ]; then touch /var/sota/offline-update-pending && shutdown -r 1; fi;'