help.txt

hyperfs <command> [options]

  create <volume>
    create a new volume.
    use --node=<snapshot> to create it from a snapshot node
    the volume data will be stored in ./hyperfs

  mount <volume> <mnt>
    mount a new volume on <mnt>.
    use ctrl-c to unmount

  remove <volume>
    remove a volume

  list
    list all volumes

  exec <volume> <cmd>
    execute a command inside a mounted volume.
    forwards stdio and unmounts when the command ends
    the volume will be mounted on ./hyperfs/mnt/<volume>
    while the command is running

  replicate <remote>
    replicate all snapshots to a remote hyperfs.
    - hyperfs replicate ./other-folder
    - hyperfs replicate ssh://user@example.com:other-folder
    - dupsh 'hyperfs replicate -' 'some-stream-to-remote'

  snapshot <volume> --message 'friendly message'
    snapshot a volume. will print the node hash when it succeeds
    use this hash as the --node argument in create to create another
    volume that looks like this one

  nodes
    print all snapshot nodes