[Rock-dev] Amake stuck

[Sylvain Joyeux]

Hi Pierre. Thanks for the debugging !

When you say "immensely", does it become workable with this change ?

Sylvain

On Tue, Sep 19, 2017 at 9:07 AM, Pierre Willenbrock <pierre at pirsoft.de> wrote:
> Hello everyone,
> i am not able to reproduce amake being stuck, but i am experiencing
> excessive slowness. I traced that down to Rake::FileTask.needed?(to be
> more specific: Rake::FileTask.out_of_date?) taking a long time to
> recursively check the timestamps of all the prerequisites.
>
> Modifying rake to have Rake::FileTask.out_of_date? like below helps
> immensely(collects the touched tasks first, then checks timestamps):
>
>     def out_of_date?(stamp)
>       all_prerequisite_tasks.any? { |prereq_task|
>         if prereq_task.instance_of?(Rake::FileTask)
>           prereq_task.timestamp > stamp || !
> File.exist?(prereq_task.name) || @application.options.build_all
>         else
>           prereq_task.timestamp > stamp
>         end
>       }
>     end
>
> The behaviour has changed between rake-12.0.0 and rake-12.1.0. In
> rake-12.0.0, out_of_date? only checked its own timestamp.
>
> Maybe this helps someone.
>
> Regards,
>   Pierre
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