From 7fb8538a44f68eca2b37658598f1d2ae8fe1f404 Mon Sep 17 00:00:00 2001
From: Jochen Welzel <jochen.welzel@de.clara.net>
Date: Thu, 7 Jan 2021 08:38:44 +0100
Subject: [PATCH] remove local old snapshot

---
 libvirt-zsh-backup.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libvirt-zsh-backup.sh b/libvirt-zsh-backup.sh
index b3ace78..4230444 100644
--- a/libvirt-zsh-backup.sh
+++ b/libvirt-zsh-backup.sh
@@ -3,7 +3,7 @@
 helpFunction()
 {
    echo ""
-   echo "Usage: $0 -v VmName -t TargetHost -d TargetDataset"
+   echo "Usage: $0 -v VmName -t TargetHost -d TargetDataset -l LIMIT"
    echo -e "\t-v Name of the vm to backup"
    echo -e "\t-t Backup target host name"
    echo -e "\t-s VM source zfs dataset"
@@ -100,6 +100,7 @@ if [ $? -eq 0 ]
 then
     zfs set backup:success="true" $SRCZFS
     zfs set backup:date="$DATE" $SRCZFS
+    zfs destroy "$SRCZFS"@"$LASTSNAP"
 else
     zfs set backup:success="false" $SRCZFS
     zfs set backup:failed="$DATE" $SRCZFS