license_finder.rb

require 'octokit'
require 'colorize'

def create_logged_in_client
  puts 'Logging into GitHub. Don\'t worry, I won\'t save your credentials.'
  print 'GitHub username: '
  username = $stdin.gets.strip
  print 'GitHub password: '
  password = begin
    `stty -echo` rescue nil
    $stdin.gets.strip
  ensure
    `stty echo` rescue nil
  end
  puts

  client = Octokit::Client.new login: username, password: password
  client.create_authorization({ scopes: ['public_repo', 'gist'] })
  client
end

puts

client = create_logged_in_client

repos = client.repos.map { |repo| repo['full_name'] }

puts 'Searching for license files...'

repos.each do |repo|
  print repo, '... '

  files = client.contents repo
  licensed = files.any? { |f| f['name'] == 'LICENSE.txt' }

  puts licensed ? 'yes'.green : 'no'.red
end