[Travis-CI] Fix variable interpolation

pug-php · Nov 15, 2019 · f3de94a · f3de94a
1 parent 21c2390
commit f3de94a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.travis.yml b/.travis.yml
@@ -293,7 +293,7 @@ before_script:
   - if [ "$SYMFONY_VERSION" = "3.0.*" ]; then travis_retry composer require --no-update -n twig/twig=^1; fi;
   - if [ "$PUG_VERSION" != "" ]; then travis_retry composer require --no-update -n pug-php/pug=$PUG_VERSION; fi;
   - if [ -f /home/travis/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini ]; then mv /home/travis/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini ~/xdebug.ini; fi;
-  - travis_retry php -d memory_limit=-1 composer.phar update -o --no-interaction --prefer-stable $PREFER_SOURCE
+  - travis_retry php -d memory_limit=-1 composer.phar update -o --no-interaction --prefer-stable ${PREFER_SOURCE}
   - if [ -f ~/xdebug.ini ]; then mv ~/xdebug.ini /home/travis/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini; fi;
   - chmod -R 0777 tests/project
 script: