From 75f432a8822e3a7da4a8d802fc6fa15655c8f76a Mon Sep 17 00:00:00 2001
From: "nicolas.dorier" <nicolas.dorier@gmail.com>
Date: Sun, 3 Mar 2019 18:21:40 +0900
Subject: [PATCH] Make sure az is installed for fastsync

---
 contrib/FastSync/save-utxo-set.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/contrib/FastSync/save-utxo-set.sh b/contrib/FastSync/save-utxo-set.sh
index 35286ac..161b3f8 100755
--- a/contrib/FastSync/save-utxo-set.sh
+++ b/contrib/FastSync/save-utxo-set.sh
@@ -12,6 +12,11 @@
 
 : "${AZURE_STORAGE_CONTAINER:=public}"
 
+if [[ "$AZURE_STORAGE_CONNECTION_STRING" ]] && ! [ -x "$(command -v az)" ]; then
+    echo "You want to upload the utxoset to azure, but az is not installed. See https://docs.microsoft.com/en-us/cli/azure/ to install it."
+    exit
+fi
+
 btcpay-down.sh
 
 for i in /var/lib/docker/volumes/generated_bitcoin_datadir/_data/utxo-snapshot-*; do