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In one of our non-Rails projects we added ActionMailer. It comes along
with a number of dependencies and modules namespaced under
Rails
.The problem is that we don't have a Rails app and therefore
Rails.root
is not defined. This causes bullet to blow up when getting
Rails.root
.The fix is to be more specific with the check. I also consolidated the
logic to one method since
rails?
was only ever used to check if Bulletshould call
Rails.root
. A similar approach is taken in many other libraries and seems to work well: https://github.com/search?q=defined%3F%28Rails.root&type=Code