Fix ExecStop condition (#521)

* Fix `ExecStop` condition

* Put the hyphen where it belongs

Author: 0x2b3bfa0

task/common/machine/script.go

@@ -60,7 +60,7 @@ sudo tee /etc/systemd/system/tpi-task.service > /dev/null <<END
   After=default.target
 [Service]
   Type=simple
-  ExecStart=/usr/bin/tpi-task
+  ExecStart=-/usr/bin/tpi-task
   ExecStop=/bin/bash -c 'systemctl is-system-running | grep stopping || echo "{\\\\"result\\\\": \\\\"\$SERVICE_RESULT\\\\", \\\\"code\\\\": \\\\"\$EXIT_STATUS\\\\", \\\\"status\\\\": \\\\"\$EXIT_CODE\\\\"}" > "$TPI_LOG_DIRECTORY/status-$TPI_MACHINE_IDENTITY" && RCLONE_CONFIG= rclone copy "$TPI_LOG_DIRECTORY" "\$RCLONE_REMOTE/reports"'
   ExecStopPost=/usr/bin/tpi-task-shutdown
   Environment=HOME=/root