remove_cache_file

# File lib/rubygems/commands/sources_command.rb, line 198
  def remove_cache_file(desc, path) # :nodoc:
    FileUtils.rm_rf path

    if not File.exist?(path)
      say "*** Removed #{desc} source cache ***"
    elsif not File.writable?(path)
      say "*** Unable to remove #{desc} source cache (write protected) ***"
    else
      say "*** Unable to remove #{desc} source cache ***"
    end
  end