Don't use ||= in attributes files as it doesn't work

diff --git a/cookbooks/apt/attributes/default.rb b/cookbooks/apt/attributes/default.rb
index 2ecdb20..f153614 100644 (file)
--- a/cookbooks/apt/attributes/default.rb
+++ b/cookbooks/apt/attributes/default.rb
@@ -1 +1 @@
-default[:apt][:sources] ||= []
+default_unless[:apt][:sources] = []