From 9e35f3057385952dc696a500b3652b3f37013b66 Mon Sep 17 00:00:00 2001
From: Robert O'Rourke <robert@o-rourke.org>
Date: Tue, 27 Oct 2020 10:39:16 +0000
Subject: [PATCH] Ensure Composer v1 is used

Composer v2 was rolled out and Travis CI updated straight away breaking our builds. This will ensure v1 is used until we can safely say v2 is supported.
---
 travis/altis.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/travis/altis.yml b/travis/altis.yml
index 4a6f422..b9ee273 100644
--- a/travis/altis.yml
+++ b/travis/altis.yml
@@ -31,6 +31,10 @@ matrix:
   include:
     - php: 7.2
 
+# Ensure composer v1 is still used.
+before_install:
+  - composer self-update --1
+
 # Install application and start the local server
 before_script:
   - composer install