[Unit]
Description=Run extra script after /sysroot is mounted
ConditionFileIsExecutable=/etc/extra-init
After=s3-mount-root.service
After=s3-extra-post-dmsetup.service
Before=initrd-switch-root.target initrd-cleanup.service

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/etc/extra-init post-mount
KillMode=process
KillSignal=SIGTERM