[Unit] Description=Snapshot bootfs just before it is mounted Requisite=zfs-import.target After=zfs-import.target dracut-pre-mount.service Before=dracut-mount.service DefaultDependencies=no ConditionKernelCommandLine=bootfs.snapshot ConditionEnvironment=BOOTFS [Service] Type=oneshot ExecStart=-/bin/sh -c '. /lib/dracut-lib.sh; SNAPNAME="$(getarg bootfs.snapshot)"; exec @sbindir@/zfs snapshot "$BOOTFS@${SNAPNAME:-%v}"' RemainAfterExit=yes