Quick and dirty tool to get code stats from a github org using the API

Gemfile

source 'https://rubygems.org'

gem 'github_api'
gem 'awesome_print'
gem 'pry'

stats.rb

#!/usr/bin/env ruby
require 'pp'
require 'github_api'

github = Github.new auto_pagination: true, oauth_token: ENV['GH_TOKEN']

repos = github.repos.list user: 'ministryofjustice'

all_changes = repos.inject({}) do |result, repo|
  puts repo.name
  for i in 0..5
    changes = github.repos.stats.code_frequency(user: 'ministryofjustice', repo: repo.name)
    total_changes = { additions: 0, deletions: 0 }
    unless changes.body.empty?
      total_changes = changes.body.inject(total_changes) do |result, week|
        result[:additions] += week[1]
        result[:deletions] += week[2]
        result
      end
    end
    break unless 0 == total_changes[:additions]
    sleep i * i
  end
  pp total_changes

  commits = github.repos.stats.participation(
    user: 'ministryofjustice', repo: repo.name
  )
  unless commits.body.empty?
    commits = commits.body.all.inject(0, &:+)
  else
    commits = 0
  end
  pp commits

  result[repo.name] = {
      changes: total_changes,
      commits_this_year: commits,
  }

  result
end

total_values = all_changes.values.inject({
    additions: 0, deletions: 0, commits_this_year: 0
}) do |result, values|
  result[:additions] += values[:changes][:additions]
  result[:deletions] += values[:changes][:deletions]
  result[:commits_this_year] += values[:commits_this_year]
  result
end

pp total_values