gistfile1.rb

module KnifeConfigHack
  def hacked_parse_options(*args)
    configure_chef
    configure_from_file_settings!
    original_parse_options(*args)
  end
  def configure_from_file_settings!
    if(Chef::Config[:knife])
      self.class.options.keys.each do |key|
        config[key] = Chef::Config[:knife][key] if Chef::Config[:knife].has_key?(key)
      end
    end
  end
  def hacked_run(*args)
    config = nil
    parse_options(ARGV)
    original_run(*args)
  end
  class << self
    def included(base)
      base.class_eval do
        alias_method :original_parse_options, :parse_options
        alias_method :parse_options, :hacked_parse_options
        alias_method :original_run, :run
        alias_method :run, :hacked_run
      end
    end
    def extended(base)
      base.instance_eval do
        alias :original_parse_options :parse_options
        alias :parse_options :hacked_parse_options
        alias :original_run :run
        alias :run :hacked_run
      end
    end
  end
end

Chef::Knife.constants.map do |c|
  k = Chef::Knife.const_get(c)
  k if k.is_a?(Class) && k.instance_methods.map(&:to_sym).include?(:run) && k.name.split('::').last.start_with?('Ec')
end.compact.each do |klass|
  unless(klass.instance_methods.map(&:to_sym).include?(:hacked_run))
    klass.send(:include, KnifeConfigHack)
  end
  ObjectSpace.each_object(klass) do |obj|
    obj.extend(KnifeConfigHack) unless obj.methods.map(&:to_sym).include?(:hacked_run)
  end
end