Rake script to migrate all repos from Bitbucket org to Github org

Rakefile

# gem install bitbucket_rest_api
# gem install octokit
require 'bitbucket_rest_api'
require 'octokit'

task :migrate do
  bitbucket = BitBucket.new login: '', password: ''
  bitbucket_owner = ''
  github = Octokit::Client.new login: '', password: ''
  github_org = ''


  bitbucket.repos.list do |repo|
    next unless repo.owner == bitbucket_owner


    if github.repository?("#{github_org}/#{repo.slug}")
      puts "#{repo.slug} exists! ================================="
    else
      github.create_repo(repo.slug, organization: github_org, private: true)
      url = "https://bitbucket.org/#{repo.owner}/#{repo.slug}"
      system("mkdir #{repo.slug}")
      system("git clone --mirror #{url} #{repo.slug}/.git")
      Dir.chdir(repo.slug) do
        system("git config --bool core.bare false")
        system("git remote add gh https://github.com/#{github_org}/#{repo.slug}")
        system("git push --all gh")
      end
    end
  end
end