Prints commit/additions/deletions for each non-fork repo in a given Github organization for this year

github_org_stats.rb

require 'octokit'

class Github
  def initialize(access_token)
    Octokit.auto_paginate = true
    @client = Octokit::Client.new(access_token: access_token)
  end

  def get_org_stats(org)
    repos = @client.org_repos(org)
    repos.reject! { |repo| repo.fork }
    total_commits = 0
    total_additions = 0
    total_deletions = 0
    repos.each do |repo|
      additions, deletions, commits = repo_stats(repo.full_name)
      unless commits.nil? || commits == 0
        puts "#{repo.full_name}: #{commits} commits, #{additions} additions, #{deletions} deletions"
        total_commits += commits
        total_additions += additions
        total_deletions += deletions
      end
    end
   puts ""
   puts "stats for #{org}: #{total_commits} commits, #{total_additions} additions, #{total_deletions} deletions"
  end

  def repo_stats(repo)
    contributors = @client.contributor_stats(repo)
    additions = 0
    deletions = 0
    commits = 0
    unless contributors.nil? || contributors == ''
      contributors.each do |contributor|
        new_years = Time.parse('01-01-2015').to_i
        weeks = contributor.weeks.reject { |week| week.w.to_i < new_years }
        additions += weeks.map(&:a).reduce(:+)
        deletions += weeks.map(&:d).reduce(:+)
        commits += weeks.map(&:c).reduce(:+)
      end
      return additions, deletions, commits
    end
  end
end

github = Github.new('put yer access token here')
github.get_org_stats('put yer org name here')