From 8deadfa31b7d687b996d84af8026b257b19b43fe Mon Sep 17 00:00:00 2001
From: Nikita Popov <nikita.ppv@gmail.com>
Date: Fri, 7 May 2021 09:44:08 +0200
Subject: [PATCH] Fix azure build

This is only needed on ubuntu-18.04, it works fine on ubuntu-20.04.
---
 azure/apt.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/azure/apt.yml b/azure/apt.yml
index e8da9b001d3..dc0cdbf4af2 100644
--- a/azure/apt.yml
+++ b/azure/apt.yml
@@ -4,6 +4,9 @@ parameters:
 steps:
   - script: |
       sudo apt-get update -y | true
+      # There appears to be some kind of conflict with the libzip from ondrej's PPA.
+      # Purge existing libzip and let it be reinstalled to avoid it.
+      sudo apt-get purge -y libzip4
       sudo apt install bison \
                        re2c \
                        locales \