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.
humanmade · Oct 27, 2020 · efd8af0 · efd8af0
1 parent db81ded
commit efd8af0
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/travis/altis.yml b/travis/altis.yml
@@ -6,7 +6,7 @@ dist: xenial
 language: php
 php:
  - '7.2'
- 
+
 # Set NodeJS version to match the build server.
 node_js:
  - 12
@@ -31,11 +31,13 @@ notifications:
 cache:
  directories:
  - $HOME/.composer/cache
- 
+
 # Ensure correct node version is used for build
 before_install:
  - nvm install v12
  - nvm use v12
+ # Ensure composer v1 is still used.
+ - composer self-update --1
 
 # Install application and start the local server
 before_script: