# File test/bench/benchmarks.rb, line 112
def in_temp_dir(remove_after = true)
  filename = 'git_test' + Time.now.to_i.to_s + rand(300).to_s.rjust(3, '0')
  tmp_path = File.join("/tmp/", filename)
  FileUtils.mkdir(tmp_path)
  Dir.chdir tmp_path do
    FileUtils.cp_r(@wbare, File.join(tmp_path, '.git'))
    yield tmp_path
  end
  puts tmp_path
  #FileUtils.rm_r(tmp_path) if remove_after
end