Snapshots about gal HOT 3 CLOSED

echo '[Trigger]
Type = Package
Operation = Remove
Operation = Install
Operation = Upgrade
Target = *

[Action]
Description = Gracefully creating root snapshot...
When = PreTransaction
Exec = /usr/bin/btrfs subvolume snapshot -r /root /root-snapshot-$(date +%Y-%m-%d-%H-%M-%S)
Depends = btrfs-progs

[Action]
Description = Gracefully deleting root snapshot...
When = PostTransaction
Exec = /usr/bin/btrfs subvolume delete $(/usr/bin/btrfs subvolume list / | grep "root-snapshot" | awk "{print \$NF}" | sort -r | tail -n +9)
Depends = btrfs-progs' > /etc/pacman.d/hooks/3-root-subvolume.hook