ruby-hack.rb

class Dir
  class << self
    alias_method :orig, :[]
  end

  def self.[](pattern)
    binding.pry
    self.orig(pattern)
  end
end

class ::ActionView::Resolver
  class << self
    alias_method :orig, :caching
  end

  def self.caching=(val)
    binding.pry
    orig(val)
  end
end