[build] make sure rake works when no JRUBY/JAVA_OPTS are set

... got messed-up at d56b9bb
jruby · Jun 12, 2017 · fe1ff12 · fe1ff12
1 parent 17ff9fe
commit fe1ff12
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/rakelib/test.rake b/rakelib/test.rake
@@ -61,7 +61,7 @@ namespace :test do
 
   max_meta_size = ENV_JAVA['java.specification.version'] > '1.7' ? '-XX:MaxMetaspaceSize' : '-XX:MaxPermSize'
   get_meta_size = proc do |default_size = 452|
-    ENV['JAVA_OPTS'].index(max_meta_size) || ENV['JRUBY_OPTS'].index(max_meta_size) ?
+    (ENV['JAVA_OPTS'] || '').index(max_meta_size) || (ENV['JRUBY_OPTS'] || '').index(max_meta_size) ?
         '' : "-J#{max_meta_size}=#{default_size}M"
   end