Prevent Composer from updating to v2 in Travis CI

The composer merge plugin doesn't yet work with composer 2. See wikimedia/composer-merge-plugin#184 and https://phabricator.wikimedia.org/T248908 Bug: T266455 Change-Id: I6d78bdb05a518778c958a9b47b053b4e64f7e26d
wikimedia · Oct 26, 2020 · 60b1ce2 · 60b1ce2
1 parent 7238a80
commit 60b1ce2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/build/travis/install.sh b/build/travis/install.sh
@@ -29,7 +29,7 @@ cd ..
 
 cp $originalDirectory/build/travis/composer.local.json composer.local.json
 
-composer self-update
+composer self-update --1 # TODO: Allow using Composer version 2: T266455
 composer install
 
 # Try composer install again... this tends to fail from time to time