[Unit]
Description=Prune ZFS snapshots
Documentation=man:sanoid(8)
Requires=local-fs.target
After=local-fs.target sanoid.service
ConditionFileNotEmpty=/etc/sanoid/sanoid.conf

[Service]
Type=oneshot
Environment=TZ=UTC
ExecStart=/usr/sbin/sanoid --prune-snapshots --verbose

[Install]
WantedBy=sanoid.service