[rubygems/rubygems] handle removing BUNDLE_, since using start_with? would still include that
BUNDLE_
https://github.com/rubygems/rubygems/commit/235d9b38d8
[rubygems/rubygems] handle removing
BUNDLE_, since using start_with? would still include thathttps://github.com/rubygems/rubygems/commit/235d9b38d8