This code meant that _any_ gem install failure resulted in a message requesting the user to report this "bug" to the Bundler issue tracker. That is very, very not cool, and I had already fixed this issue once before the hook pull request regressed it. :(
Restoring the original ENV generally restored the RUBYOPT changes, but certain use cases leak through. This commit ensures that the ENV is truely clean by always checking for RUBYOPT changes and zapping them if they do exist. This commit fixes #1604 (second attempt)
…velopment dependencies declared in gemspecs.