heroku/heroku-buildpack-erlang-kernel — pull request #1 by mkorszun (2013-04-11 15:53:05+00:00)
Title: Do not create otp dir

What is the point of creating ${OTP} directory before creating the link to ${ERLROOT}?
Instead of creating link ${OTP} -> ${ERLROOT} (i guess as intended) it will create ${OTP}/otp -> ${ERLROOT} - see ln manual.