1require 'rubygems' 2require 'rubygems/user_interaction' 3 4## 5# A default post-install hook that displays "Successfully installed 6# some_gem-1.0" 7 8Gem.post_install do |installer| 9 ui = Gem::DefaultUserInteraction.ui 10 ui.say "Successfully installed #{installer.spec.full_name}" 11end 12 13