File: zfs-rollback-bootfs.service.in

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zfs-linux 2.3.2-2
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[Unit]
Description=Rollback bootfs just before it is mounted
Requisite=zfs-import.target
After=zfs-import.target dracut-pre-mount.service zfs-snapshot-bootfs.service
Before=dracut-mount.service sysroot.mount
DefaultDependencies=no
ConditionKernelCommandLine=bootfs.rollback
ConditionEnvironment=BOOTFS

[Service]
Type=oneshot
ExecStart=/bin/sh -c '. /lib/dracut-lib.sh; SNAPNAME="$(getarg bootfs.rollback)"; exec @sbindir@/zfs rollback -Rf "$BOOTFS@${SNAPNAME:-%v}"'
RemainAfterExit=yes