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iamdionysus/how-to-make-pry-work-with-inf-ruby.md

Created June 6, 2014 02:56
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how-to-make-pry-work-with-inf-ruby.md

At least from my experience and set up, this is not a proper way to make pry work under emacs 24.3 and current inf-ruby with MEPLA installation. Since this gist shows up quite high in google search result, I'd like to comment here what was the problem and how I solved it.

Issues

  • (add-to-list 'inf-ruby-implementations '("pry" . "pry")) causes init.el load error. It's already implemented in the inf-ruby.el source so I don't think it's necessary to add again.

  • (setq inf-ruby-default-implementation "pry") actually makes inf-ruby run the pry. However, with flaws. If pry is running with this set up and if I send the buffer/region/block, I get NameError: uninitialized constant IRB from (pry):1:in `__pry___'. Again, I looked into the inf-ruby.el source code and it looks like inf-ruby is already taking care of the pry smartly. So this set up shouldn't be added to init.el as well.

Solution

  • don't add anything which is mentioned above to init.el to make pry work especially if it's installed from MELPA
  • Instead, set pry as default irb by
  • create ~/.irbrc if you don't have one
  • add this
require 'pry'
Pry.start
exit
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