Method: Capistrano::Configuration#add_filter

Defined in:
lib/capistrano/configuration.rb

#add_filter(filter = nil, &block) ⇒ Object 



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# File 'lib/capistrano/configuration.rb', line 117

def add_filter(filter=nil, &block)
  if block
    raise ArgumentError, "Both a block and an object were given" if filter

    filter = Object.new
    def filter.filter(servers)
      block.call(servers)
    end
  elsif !filter.respond_to? :filter
    raise TypeError, "Provided custom filter <#{filter.inspect}> does " \
                     "not have a public 'filter' method"
  end
  @custom_filters ||= []
  @custom_filters << filter
end