code.delx.au - monosys/blob - zfs/znap-list

   1 #!/bin/bash
   2
   3 set -eu
   4
   5 function root_dataset {
   6     mount | grep 'on / ' | cut -d' ' -f1
   7 }
   8
   9 function find_latest_snapshot_timestamp {
  10     zfs list -H -t snapshot -r "$(root_dataset)" -o name -S creation \
  11         | grep @znap | head -n1 | cut -d'@' -f2
  12 }
  13
  14 function list_snapshots {
  15     local timestamp="$1"
  16     zfs list -H -t snapshot -o name | grep "$timestamp"
  17 }
  18
  19 list_snapshots "$(find_latest_snapshot_timestamp)"