gitlab_to_bitbucket.rb

require 'net/http'
require 'json'


GITLAB_URL = 'http://source.yourhost.com'
GITLAB_TOKEN = '>>>>'
BITBUCKET_OWNER = '>>>>'
BITBUCKET_PASSWORD = '>>>>'


def create_bitbucket_repo(owner, password, repo_slug)
  uri = URI("https://bitbucket.org/api/2.0/repositories/#{owner}/#{repo_slug}")
  req = Net::HTTP::Post.new(uri)
  req.basic_auth(owner, password)
  req.set_form_data({is_private: true, forking_policy: 'no_forks'})

  res = Net::HTTP.start(uri.host, uri.port, use_ssl: uri.scheme == 'https') do |http|
    http.request(req)
  end

  res.code
end


def get_gitlab_projects_from(url, token)
  uri = URI.join(url, '/api/v3/projects')
  req = Net::HTTP::Get.new(uri)
  req['PRIVATE-TOKEN'] = token
  res = Net::HTTP.start(uri.host, uri.port) do |http|
    http.request(req)
  end
  JSON.parse(res.body)
end



def main
  repos = get_gitlab_projects_from(GITLAB_URL, GITLAB_TOKEN)

  pwd = Dir.pwd
  repos.each do |repo|
    repo_name = repo['name']
    p "Excuting #{repo_name}"

    repo_url = repo['ssh_url_to_repo']

    system "git clone #{repo_url}"
    repo_dir = repo_url.match(/\/(?<repo_dir>.*)\.git/)['repo_dir']
    Dir.chdir(repo_dir)

    p create_bitbucket_repo(BITBUCKET_OWNER, BITBUCKET_PASSWORD, repo_dir)

    system "git remote rm origin"
    system "git remote add origin git@bitbucket.org:#{owner}/#{repo_dir.downcase}.git"
    system "git push -u origin master"

    Dir.chdir(pwd)

    p "Done #{repo_name}!"
  end
end

main