repo.rb

def fetch_sha(repo_name, sha)
  VCR.use_cassette("#{repo_name}/shas/#{sha}", :record => :new_episodes) do
    return client.commit(repo_name, sha)
  end
end

def commits_window(repo_name, username, since_time, until_time)
  options = { :author => username, :since =>since_time.iso8601, :until = until_time.iso8601 }

  VCR.use_cassette("#{repo_name}/#{username}/commits/#{since_time.to_i}-#{until_time.to_i}", :record => :new_episodes) do
    return client.commits(repo_name, "master", options)
  end
end