def invoke_with_call_chain(task_args, invocation_chain)
new_chain = Rake::InvocationChain.append(self, invocation_chain)
@lock.synchronize do
begin
if application.options.trace
application.trace "** Invoke #{name} #{format_trace_flags}"
end
if @already_invoked
if @invocation_exception
if application.options.trace
application.trace "** Previous invocation of #{name} failed #{format_trace_flags}"
end
raise @invocation_exception
else
return
end
end
@already_invoked = true
invoke_prerequisites(task_args, new_chain)
execute(task_args) if needed?
rescue Exception => ex
add_chain_to(ex, new_chain)
@invocation_exception = ex
raise ex
end
end
end