leaderboard.rb

#/ Contribution leaderboard
#/
#/ Get a leaderboard of contributions in your org
#/
#/ usage: $ env USERNAME=yourusername PASSWORD=yourpassword ORG=yourorgname ruby leaderboard.rb

require 'uri'
require 'net/https'
require 'json'

USERNAME = ENV['USERNAME']
PASSWORD = ENV['PASSWORD']
ORG      = ENV['ORG']

unless USERNAME && PASSWORD && ORG
  puts File.readlines(__FILE__).select { |l| l =~ /^#\//i }.map { |s| s[3..-1] }
  exit 1
end

def get(url)
  uri = URI.parse(url)
  http = Net::HTTP.new(uri.host, uri.port)
  if uri.scheme == 'https'
    http.use_ssl = true
    http.verify_mode = OpenSSL::SSL::VERIFY_PEER
  end
  request = Net::HTTP::Get.new(uri.request_uri)
  request.basic_auth(USERNAME, PASSWORD)
  response = http.request(request)
  JSON.parse(response.body)
end

members = get("https://api.github.com/orgs/#{ORG}/members").map { |m| m['login'] }

leaderboard = members.map do |u|
  user_stats = get("https://github.com/users/#{u}/contributions_calendar_data")
  total = user_stats.map { |s| s[1] }.reduce(&:+)
  [u, total]
end

leaderboard.sort_by{|u| u[1] }.reverse.each do |u|
  puts "#{u[0]} - #{u[1]}"
end