Move repositories from one git repo to another

move-repos.rb

#!/usr/bin/ruby

require "yaml"

module Git

  class RepoMover

    CONFIG_ROOT = "repo_movement"

    def initialize(config_file)
      STDOUT.sync = true
      @configuration = YAML::load_file config_file
      @source = @configuration[CONFIG_ROOT]["source"]
      @destination = @configuration[CONFIG_ROOT]["destination"]
    end

    def move_repositories
      repo_list = @configuration[CONFIG_ROOT]["repositories"]
      puts "moving #{repo_list.length} repositories from #{@source} => #{@destination}"
     repo_list[0..1].each_with_index do |repo, index|
       print "(#{index + 1}/#{repo_list.length}) "
       move_repo repo
     end
    end

    private
    def move_repo repo_data
      git = "cd repository && git"
      source = ""
      destination = ""
      if repo_data.is_a? String
        source = repo_data
        destination = repo_data
      elsif repo_data.is_a? Hash
        source = repo_data["source"]
        destination = repo_data["destination"]
      end
      print "moving: #{source} => #{destination}"
      print "   checkout.."
      `git clone #{@source}:#{source} repository -q`
      output = `#{git} branch -a`
      remote_branches = parse_remote_branches(output, "origin")
      #puts remote_branches.inspect
      `#{git} remote add destination #{@destination}:#{destination}`

      print "moving #{remote_branches.length} branches..."
      remote_branches.each do |branch|
        `#{git} checkout #{branch} -q`
        `#{git} push destination #{branch} -q`
      end

      puts "done"
      `rm -rf repository`
    end

    def parse_remote_branches(text, remote)
      text.split("\n").collect do |line|
        if line.include?("remotes/#{remote}/") and !line.include?("remotes/#{remote}/HEAD")
          line.split("/").last
        end
      end.compact
    end

  end
  
end

mover = Git::RepoMover.new("repo_move.yml")

mover.move_repositories

repo_move.yml

repo_movement:
    
    source: [email protected]
    destination: [email protected]
        
    repositories:
        - repo1
        - repo2
        -
            source: source-name
            destination: destination-name