I have JRuby 1.1.3 with about 20 gems. It’s sitting somewhere under
$HOME, which I prepend to $PATH in order to invoke jruby.
Now, I want to upgrade to 1.1.4, but I do not want to re-install all
the gems that I have with 1.1.3. I could copy lib/ruby/gems/1.8 to
the corresponding directory for the 1.1.4 binary distribution, but
that will miss stuff in bin, such as ‘warble’, ‘rails’ and ‘rdebug’.
What is the recommended method to upgrade?
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