cleanup tempdir

lib/bundler.rb

@@ -211,6 +211,10 @@ def tmp(name = Process.pid.to_s)
       @tmp.join(name)
     end
 
+    def cleanup
+      FileUtils.remove_entry_secure(@tmp) if @tmp
+    end
+
     def settings
       @settings ||= begin
         Settings.new(app_config_path)

lib/bundler/cli.rb

@@ -11,6 +11,8 @@ def self.start(*)
     rescue Exception => e
       Bundler.ui = UI::Shell.new
       raise e
+    ensure
+      Bundler.cleanup
     end
 
     def initialize(*args)