method

pre_uninstall

ruby latest stable - Class: Gem

pre_uninstall(&hook)

public

Adds a pre-uninstall hook that will be passed an Gem::Uninstaller instance and the spec that will be uninstalled when Gem::Uninstaller#uninstall is called

# File lib/rubygems.rb, line 839
  def self.pre_uninstall(&hook)
    @pre_uninstall_hooks << hook
  end