github_commits_by_month.rb

require 'rubygems'
require 'httparty'
require 'time'
require 'active_support'

File.read("#{ENV['HOME']}/.gitconfig").match(/token = (\w+)/)
TOKEN = $1

class Github
  include HTTParty
  base_uri 'http://github.com/api/v1/xml'
  default_params :login => 'jnunemaker', :token => TOKEN
  format :xml
  
  def self.commits(username_project, page=1)
    p "Getting page #{page} of commits"
    get("/#{username_project}/commits/master", :query => {:page => page})['commits']
  end
end

# I knew I had 14 pages so I used 1..14.
(1..14).inject([]) do |collection, page|
  collection.push *Github.commits('orderedlist/harmony', page)
end.group_by do |commit| 
  Time.parse(commit['committed_date']).beginning_of_month
end.each do |group|
  p "#{group[0]}: #{group[1].size}"
end