def check_repo(url)
      output = `svn ls #{url} 2>&1`
      if ($? != 0)
        raise BadRepo.new(url + "<<<" + output.to_s + ">>>")
      end
    end
def check_repo(url)
      output = `svn ls #{url} 2>&1`
      if ($? != 0)
        raise BadRepo.new(url + "<<<" + output.to_s + ">>>")
      end
    end
Check access to the repo in question