# File lib/rake.rb, line 499 499: def invoke_with_call_chain(task_args, invocation_chain) 500: new_chain = InvocationChain.append(self, invocation_chain) 501: @lock.synchronize do 502: if application.options.trace 503: puts "** Invoke #{name} #{format_trace_flags}" 504: end 505: return if @already_invoked 506: @already_invoked = true 507: invoke_prerequisites(task_args, new_chain) 508: execute(task_args) if needed? 509: end 510: end