def cocoapods
      Dir.chdir("#{Tachikoma.repos_path}/#{@build_for}") do
        sh(*['git', 'config', 'user.name', @commiter_name])
        sh(*['git', 'config', 'user.email', @commiter_email])
        sh(*['git', 'checkout', '-b', "tachikoma/update-#{@readable_time}", @base_remote_branch])