File purge-kernels.service of Package purge-kernels-service

[Unit]
Description=Purge old kernels
After=local-fs.target
ConditionPathExists=/boot/do_purge_kernels
ConditionPathIsReadWrite=/

[Service]
Type=exec
Nice=19
IOSchedulingClass=idle
Environment=ZYPP_LOCK_TIMEOUT=-1
ExecStart=/usr/bin/zypper -n purge-kernels
ExecStartPost=/bin/rm -f /boot/do_purge_kernels

[Install]
WantedBy=multi-user.target