0.1
The project is in a healthy, maintained state
rubocop-changes will run rubocop on changed lines from forked point in your main branch. It will not complain about existing offenses in master branch on your git prioject. This gem is perfect as a Continuous Integration tool
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 Dependencies

Development

~> 2.0
~> 10.0
~> 3.0
~> 13.0

Runtime

 Project Readme

Rubocop::Changes

Gem Version Build Status

rubocop-changes runs rubocop and shows only the offenses you introduced since the fork point of your git branch. Will not complain about existing offenses in your main branch.

This is useful for CI checks for your pull requests but it could be useful too for you daily work, to know new offenses created by you.

Internally rubocop-changes runs rubocop and a git diff and does the intersection of line numbers to know the new offenses you are introducing to you master branch.

Installation

Add this line to your application's Gemfile:

gem 'rubocop-changes'

And then execute:

$ bundle

Or install it yourself as:

$ gem install rubocop-changes

Usage

$ bundle exec rubocop-changes -b master

When you run rubocop-changes, you have to specify which is your base branch with -b argument. By default is main. If you want to avoid to pass this argument everytime you execute this command, you can also set the RUBOCOP_CHANGES_BASE_BRANCH environment variable.

Other gems

There are similar projects out there, like rubocop-git, diffcop, nexocop, but not all of them offer differences at line level. Only rubocop-git offer this nice feature but you have to craft the commit id to get the proper fork point of your pull request.

rubocop-changes does this diff out of the box without specify any commit id. If you want to get the offense comparing from one specific commit, you can pass the argument commit to the command.

Ideas

Those are some ideas to improve rubocop-changes:

  • Let users specify the rubocop config file

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/fcsonline/rubocop-changes. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.

Code of Conduct

Everyone interacting in the Rubocop::Changes project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.