This simple script will help you collect statistics about your GitHub repositories and generate a simple HTML report. First, install it:

$ gem install fief

Then, run it locally and read its output:

$ fief --repo yegor256/fief --verbose

For example, here is mine.

Read these guidelines. Make sure you build is green before you contribute your pull request. You will need to have Ruby 2.3+ and Bundler installed. Then:

$ bundle update
$ bundle exec rake

If it's clean and you don't see any error messages, submit your pull request.