[bug#62584] [PATCH] services: Add error/success service type.

["宋文武 via Guix-patches via" <guix-patches@gnu.org>]

Ludovic Courtès <ludo@gnu.org> writes:

> I think it’s good to have it by default, but that’s something we can
> discuss.

Okay, I don't think so...

> +(define (error/success-boot-gexp _)
> +  #~(begin
> +      (display "error in finalization thread: Success\n"
> +               (current-error-port))
> +      (sleep 2)))           ;let the user notice--all this hasn't been in vain

How about make the message and delay customable?

I prefer "No error in finalization thread: Success",
and 2 seconds may not be enough for a slow reader like me!

> +
> +(define error/success-service-type
> +  (service-type
> +   (name 'error/success)
> +   (extensions
> +    (list (service-extension boot-service-type
> +                             error/success-boot-gexp)))
> +   (default-value 42)

What are this 42 is for?


Otherwise look good to me, thank you!