# File lib/rake.rb, line 2320
2320:     def find_rakefile_location
2321:       here = Dir.pwd
2322:       while ! (fn = have_rakefile)
2323:         Dir.chdir("..")
2324:         if Dir.pwd == here || options.nosearch
2325:           return nil
2326:         end
2327:         here = Dir.pwd
2328:       end
2329:       [fn, here]
2330:     ensure
2331:       Dir.chdir(Rake.original_dir)
2332:     end