repo_cleaner.rb

require 'github_api' # gem install github_api

require 'readline'
require 'fileutils'

FileUtils.touch("./safe")
username = Readline.readline("Enter your github username: ")
pw = Readline.readline("Enter your regular github password: ")
one_time_password = Readline.readline("Enter your one time password: ")

github = Github.new do |config|
  config.basic_auth = "#{username}:#{pw}"
  config.connection_options = {headers: {"X-GitHub-OTP" => one_time_password}}
end

safe_list = File.read("./safe").each_line.to_a.map(&:chomp)

github.repos.list(user: username).each_page do |page|
  page.each do |repo|
    name = repo.fetch('name')
    next if safe_list.include?(name)
    should_delete = Readline.readline("Delete #{name}? [yN]").downcase == 'y'
    if should_delete
      github.repos.delete(user: username, repo: name)
      puts "deleted #{name}"
    else
      File.open("./safe", "a") { |f| f.puts name }
      puts "not gonna delete #{name}... won't even ask you again"
    end
  end
end