manifest doesn't require itself (willcodeforwork)

Manifest

@@ -1,9 +1,9 @@
-test/test_echoe.rb
-lib/echoe.rb
 TODO
-Rakefile
+test/test_echoe.rb
 README
-Manifest
+Rakefile
 MIT-LICENSE
 LICENSE
+lib/echoe.rb
 CHANGELOG
+Manifest

lib/echoe.rb

@@ -226,8 +226,10 @@ def define_tasks
         s.files += ["Rakefile"] if include_rakefile
         s.files.uniq! # not really necessary
       rescue Errno::ENOENT
-        puts "Missing manifest. You can build one with 'rake manifest'."
-        exit
+        unless ARGV.include? "manifest"
+          puts "Missing manifest. You can build one with 'rake manifest'."
+          exit 
+        end
       end
       s.executables = s.files.grep(/bin/) { |f| File.basename(f) }