Issue #11956 has been updated by Nobuyoshi Nakada.


I'm uncertain if rubygems expects such usage of `RUBYOPT` or not.

Another way is to put your code in `rubygems/defaults/ruby.rb` under `RUBYLIB`.
This file is read only when `RUBY_ENGINE` is `"ruby"` at initialization of rubygems.

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Bug #11956: RUBYOPT parses after rubygems loaded
https://bugs.ruby-lang.org/issues/11956#change-56024

* Author: Am I Who
* Status: Feedback
* Priority: Normal
* Assignee: 
* ruby -v: ruby 2.3.0p0 (2015-12-25 revision 53290) [x64-mingw32]
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN
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RUBYOPT=-rloader but loader.rb loads after rubygems.rb loaded

I change GEM_HOME and GEM_PATH in loader.rb , but it doesn't affect Gem.path.
The same loader.rb works at ruby 2.2.3(and before) and jruby.
I uses both MRI ruby and jruby,so I uses RUBYOPT to changes GEM_HOME and GEM_PATH for different ruby engine



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