[bug#38240] [PATCH v3] services: sysctl: Make service one-shot.

[Ludovic Courtès]

Hello!

Efraim Flashner <address@hidden> skribis:

> From 796bf6d1b58d675b04198e536bae62552b16da75 Mon Sep 17 00:00:00 2001
> From: Efraim Flashner <address@hidden>
> Date: Sat, 16 Nov 2019 23:33:31 +0200
> Subject: [PATCH] services: sysctl: Make service one-shot.
>
> * gnu/services/sysctl.scm (sysctl-shepherd-service): Adjust shepherd
> service to use the 'one-shot?' keyword. Remove 'stop' command. Remove
> 'respawn' option.
> ---
>  gnu/services/sysctl.scm | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/gnu/services/sysctl.scm b/gnu/services/sysctl.scm
> index 5e9e6f0661..2110b80395 100644
> --- a/gnu/services/sysctl.scm
> +++ b/gnu/services/sysctl.scm
> @@ -58,9 +58,8 @@
>          (documentation "Configure kernel parameters at boot.")
>          (provision '(sysctl))
>          (start #~(lambda _
> -                   (zero? (system* #$sysctl "--load" #$sysctl.conf))))
> -        (stop #~(const #t))
> -        (respawn? #f))))))
> +                   (invoke #$sysctl "--load" #$sysctl.conf)))
> +        (one-shot? #t))))))

Perhaps we’d rather keep the (zero? (system* …)) idiom here, so that
‘herd start’ gracefully reports failure of ‘sysctl’.

Apart from that, it’s all good to me!  :-)

Ludo’.