gistfile1.txt

$ newgem .
      exists  
      create  doc
      create  lib
      [...]

$ script/generate component_generator mygen rails
      create  rails_generators/mygen/templates
      exists  test
      create  rails_generators/mygen/mygen_generator.rb
      create  test/test_mygen_generator.rb
      create  test/test_generator_helper.rb
      create  rails_generators/mygen/USAGE

$ rake test
(in /Users/martin/Documents/workspace/mygem)
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby -w -Ilib:ext:bin:test -e 'require "rubygems"; require "test/unit"; require "test/test_generator_helper.rb"; require "test/test_helper.rb"; require "test/test_mygem.rb"; require "test/test_mygen_generator.rb"' 
/Library/Ruby/Gems/1.8/gems/rails-2.2.2/lib/rails_generator/lookup.rb:20: warning: discarding old const_missing_before_generators
/Library/Ruby/Gems/1.8/gems/rails-2.2.2/lib/rails_generator/lookup.rb:27: warning: redefine user_home
/Library/Ruby/Gems/1.8/gems/rails-2.2.2/lib/rails_generator/lookup.rb:109:in `use_component_sources!': undefined method `configuration' for Rails:Module (NoMethodError)
	from /Library/Ruby/Gems/1.8/gems/rails-2.2.2/lib/rails_generator/lookup.rb:55:in `included'
	from /Library/Ruby/Gems/1.8/gems/rails-2.2.2/lib/rails_generator.rb:38:in `include'
	from /Library/Ruby/Gems/1.8/gems/rails-2.2.2/lib/rails_generator.rb:38:in `send'
	from /Library/Ruby/Gems/1.8/gems/rails-2.2.2/lib/rails_generator.rb:38
	from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:36:in `gem_original_require'
	from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:36:in `require'
	from /Library/Ruby/Gems/1.8/gems/activesupport-2.2.2/lib/active_support/dependencies.rb:153:in `require'
	from /Library/Ruby/Gems/1.8/gems/activesupport-2.2.2/lib/active_support/dependencies.rb:521:in `new_constants_in'
	from /Library/Ruby/Gems/1.8/gems/activesupport-2.2.2/lib/active_support/dependencies.rb:153:in `require'
	from ./test/test_mygen_generator.rb:3
	from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
	from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `require'
	from /Library/Ruby/Gems/1.8/gems/activesupport-2.2.2/lib/active_support/dependencies.rb:153:in `require'
	from /Library/Ruby/Gems/1.8/gems/activesupport-2.2.2/lib/active_support/dependencies.rb:521:in `new_constants_in'
	from /Library/Ruby/Gems/1.8/gems/activesupport-2.2.2/lib/active_support/dependencies.rb:153:in `require'
	from -e:1
rake aborted!
Command failed with status (1): [/System/Library/Frameworks/Ruby.framework/...]

(See full trace by running task with --trace)

$ gem list newgem

*** LOCAL GEMS ***

newgem (1.3.0)

$ gem list rubigen

*** LOCAL GEMS ***

rubigen (1.5.2)