# File lib/grit/git.rb, line 281
    def wild_sh(command)
      ret, err = '', ''
      Open3.popen3(command) do |_, stdout, stderr|
        while tmp = stdout.read(1024)
          ret += tmp
        end

        while tmp = stderr.read(1024)
          err += tmp
        end
      end
      [ret, err]
    end