From 7d190f6332a22676bc2ab51221c20363a428f43c Mon Sep 17 00:00:00 2001
From: Jochen Welzel <jochen.welzel@de.clara.net>
Date: Wed, 6 Jan 2021 07:57:50 +0100
Subject: [PATCH] first steps

---
 libvirt-zsh-backup.sh | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 libvirt-zsh-backup.sh

diff --git a/libvirt-zsh-backup.sh b/libvirt-zsh-backup.sh
new file mode 100644
index 0000000..431e320
--- /dev/null
+++ b/libvirt-zsh-backup.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+helpFunction()
+{
+   echo ""
+   echo "Usage: $0 -v VmName -t TargetHost -d TargetDataset"
+   echo -e "\t-v Name of the vm to backup"
+   echo -e "\t-t Backup target host name"
+   echo -e "\t-s VM source zfs dataset"
+   echo -e "\t-d Backup target zfs dataset"
+   exit 1 # Exit script after printing help
+}
+
+while getopts "v:t:s:d:" opt
+do
+   case "$opt" in
+      v ) VM="$OPTARG" ;;
+      t ) DESTHOST="$OPTARG" ;;
+      s ) SRCZFS="$OPTARG" ;;
+      d ) DESTZFS="$OPTARG" ;;
+      ? ) helpFunction ;; # Print helpFunction in case parameter is non-existent
+   esac
+done
+
+# Print helpFunction in case parameters are empty
+if [ -z "$VM" ] || [ -z "$DESTHOST" ] || [ -z "$DESTZFS" ] || [ -z "$SRCZFS" ]
+then
+   echo "Some or all of the parameters are empty";
+   helpFunction
+fi
+
+DATE=$(date "+%Y%m%d")
+DATE30=$(date -d "-30day" "+%Y%m%d")
+
+