[Unit]
Description=Flatpak Preinstall Trigger
After=network-online.target
Wants=network-online.target
ConditionPathExists=!/var/lib/flatpak/.preinstall-done

[Service]
Type=oneshot
ExecStart=/usr/bin/flatpak preinstall -y
ExecStartPost=/usr/bin/touch /var/lib/flatpak/.preinstall-done
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target