# File lib/rubygems/require_paths_builder.rb, line 3
 3:     def write_require_paths_file_if_needed(spec = @spec, gem_home = @gem_home)
 4:       return if spec.require_paths == ["lib"] && (spec.bindir.nil? || spec.bindir == "bin")
 5:       file_name = File.join(gem_home, 'gems', "#{@spec.full_name}", ".require_paths")
 6:       file_name.untaint
 7:       File.open(file_name, "w") do |file|
 8:         spec.require_paths.each do |path|
 9:           file.puts path
10:         end
11:         file.puts spec.bindir if spec.bindir
12:       end
13:     end