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Fix Rubocop performance deprecation warning #5795

cesswairimu opened this issue May 26, 2019 · 5 comments


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commented May 26, 2019

馃 What you will need to know.

Nothing. This issue is meant to welcome you to Open Source :) We are happy to walk you through the process.

馃搵 Step by Step

  • 馃檵 Claim this issue: Comment below. If someone else has claimed it, ask if they've opened a pull request already and if they're stuck -- maybe you can help them solve a problem or move it along!


Performance cops have been removed from RuboCop 0.68

馃摑 Update:

Put this in Gemfile.

gem 'rubocop-performance'

Then add this in .rubocop.yml.

require: rubocop-performance

After changing run bundle install

  • 馃捑 Commit your changes

  • 馃攢 Start a Pull Request. There are two ways how you can start a pull request:

  1. If you are familiar with the terminal or would like to learn it, here is a great tutorial on how to send a pull request using the terminal.

  2. You can also edit files directly in your browser and open a pull request from there.

  • 馃弫 Done Ask in comments for a review :)

馃 Questions?

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commented May 27, 2019

I'd be happy to tackle this issue.

@kodyclemens kodyclemens referenced this issue May 27, 2019


Fix Rubocop performance deprecation warning #5796

6 of 6 tasks complete

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commented May 27, 2019

Hey, I'm a first time user of GitHub and would love to know if I can assist you in any way? @kodyclemens


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commented May 28, 2019

@Esh08 Unfortunately I think this issue may have to wait as Codeclimate does not yet support the new gem, which is resulting in failing tests.


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commented Jun 3, 2019

Thanks! That's too bad - maybe we can mark the PR with that and then merge it hopefully down the road once it is supported? Thank you for your help!!!


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commented Jun 5, 2019

@kodyclemens @jywarren CodeClimate currently only supports rubocop ~> 0.52.0. We had this same issue with mapknitter at publiclab/mapknitter#547

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