Cobalt RuboCop

Description

This repository provides recommended linting rules for Ruby repositories.

Contributing

If you wish to contribute, please check our guidelines in CONTRIBUTING.md

Who to ask for help

Ask the CODEOWNERS

Installation

Gemfile

Add

group :development do
  gem 'cobalt-rubocop', require: false
end

Remove

gem 'rubocop', require: false
gem 'rubocop-performance', require: false
gem 'rubocop-rails', require: false
gem 'rubocop-rspec', require: false

Specific versions installed for:

• rubocop
• rubocop-performance
• rubocop-rails
• rubocop-rspec

.rubocop.yml

Configuration Options:

inherit_gem:
  cobalt-rubocop:
    - 'config/default.yml'
    - 'config/rails.yml'
    - 'config/rspec.yml'

Usage

bundle install
bundle exec rubocop

When installing rules on an older project it is possible to generate a todo list:

bundle exec rubocop --auto-gen-config --auto-gen-only-exclude --exclude-limit 40000

The number of offences can be counted:

grep "Offense count" .rubocop_todo.yml | awk -F: '{sum+=$2} END {print sum}'