HEX

File: //usr/lib/systemd/system/pkg-builtin-resource-clearer.service

[Unit]
Description=clear builtin pkg resources after builtin pkg proccessed
IgnoreOnIsolate=yes

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=-/bin/rm -rf /.SynoUpgradePackages
Slice=package_center.slice

[X-Synology]