#!/bin/sh
# remove and retake named snapshot

# ensure we were passed an argument
if [ "$#" -ne 1 ]; then
    echo "destroys a named snapshot and recreates it"
    echo "Usage: $0 <snapshot_name>"
    exit 1
fi

# first remove all other named snapshots
sudo zfs destroy zroot/ROOT/default@$1   
sudo zfs destroy zroot/ROOT@$1           
sudo zfs destroy zroot/home/cjennings@$1 
sudo zfs destroy zroot/home@$1           
sudo zfs destroy zroot/tmp@$1            
sudo zfs destroy zroot/usr/ports@$1      
sudo zfs destroy zroot/usr/src@$1        
sudo zfs destroy zroot/usr@$1            
sudo zfs destroy zroot/var/audit@$1      
sudo zfs destroy zroot/var/crash@$1      
sudo zfs destroy zroot/var/log@$1        
sudo zfs destroy zroot/var/mail@$1       
sudo zfs destroy zroot/var/tmp@$1        
sudo zfs destroy zroot/var@$1            
sudo zfs destroy zroot@$1                



# create new recursive snapshot with same name
sudo zfs snapshot -r zroot@$1

# show your work
sudo zfs list -t snapshot