Herokuアプリの権限のあるユーザを一覧で表示

gistfile1.rb

# 実行前に下の設定が必要です
# $ rbenv exec gem install heroku-api
# $ export HEROKU_API_KEY=your_heroku_api_key
require 'heroku-api'

heroku = Heroku::API.new
apps = heroku.get_apps.body
apps.each do |app|
  puts app['name']
  collaborators = heroku.get_collaborators(app['name']).body
  collaborators.each do |collaborator|
    puts collaborator['email']
  end
  puts "\n\n"
end