From e3ec25333e92fb30e1eea398811a17ed2947b85b Mon Sep 17 00:00:00 2001
From: Gary Verhaegen <gary.verhaegen@digitalasset.com>
Date: Mon, 13 Jan 2020 15:05:15 +0100
Subject: [PATCH] docker cron: ensure nix tools are installed (#4024)

CHANGELOG_BEGIN
CHANGELOG_END
---
 azure-cron.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/azure-cron.yml b/azure-cron.yml
index d50eeced9e..46c6a397c1 100644
--- a/azure-cron.yml
+++ b/azure-cron.yml
@@ -68,6 +68,7 @@ jobs:
           # >= 0.13.43 are built this way.
           for version in $(echo $RELEASES | sed -e 's/ /\n/g'); do
             git checkout "$version"
+            while ! nix-build -A tools -A cached nix; do; done
             LAST_UPDATE=$(echo $VERSIONS | jq -r '.results[] | select(.name == "'${version#v}'") | .last_updated')
             if [[ -n "$LAST_UPDATE" ]]; then
               echo "${version#v} already exists, skipping."