How to add debugger (binding.pry) in dependecy gem?

Question

I would like to add binding.pry to check some things on fly in kaminari gem which is dependency of activeadmin gem. I use also kaminari as completely separate gem.

activeadmin (1.0.0.pre5)
      arbre (~> 1.0, >= 1.0.2)
      bourbon
      coffee-rails
      formtastic (~> 3.1)
      formtastic_i18n
      inherited_resources (~> 1.6)
      jquery-rails
      jquery-ui-rails
      kaminari (~> 0.16.1)
      railties (>= 3.2, < 5.1)
      ransack (~> 1.3)
      sass-rails
      sprockets (< 4.1)

I've already tried something like below in Gemfile:

gem 'kaminari', git: 'https://github.com/hubertjakubiak/kaminari.git', branch: 'v0.16.3'

Sergio Tulentsev · Accepted Answer · 2018-08-04 12:16:05Z

18

No need for forking here. You can edit locally installed gems. Just do this:

bundle open kaminari

It will open the corresponding version of kaminari in your $EDITOR. There you can insert debug printing, binding.pry or whatever you like. Don't forget to restart the app/server.

And don't forget to clean up when you're done. Either by manually undoing your changes or running

bundle pristine kaminari

edited Aug 4, 2018 at 12:16

answered Aug 4, 2018 at 11:36

Sergio Tulentsev

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3 Comments

matthewd Over a year ago

.. and don't forget to remove it afterwards, so you don't get a surprise interruption when using the gem again months later

Sergio Tulentsev Over a year ago

@matthewd: yeah, this may have happened to me :)

nickj Over a year ago

Don't forget to restart the app/server. - Critical !! NB - Many a time edited gem files, and wondered why nothing was happening.

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