[Unit]
Description=APT automatic updates.
After=syslog.target

[Service]
Type=oneshot
EnvironmentFile=-/etc/sysconfig/apt
ExecStart=/bin/touch /var/lock/subsys/apt
ExecStop=/bin/rm -f /var/lock/subsys/apt
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target