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

[Efraim Flashner <efraim@flashner.co.il>]

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On Wed, Nov 20, 2019 at 03:10:57PM +0100, Ludovic Courtès wrote:
> Hello!
> 
> Efraim Flashner <efraim@flashner.co.il> skribis:
> 
> > From 796bf6d1b58d675b04198e536bae62552b16da75 Mon Sep 17 00:00:00 2001
> > From: Efraim Flashner <efraim@flashner.co.il>
> > 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’.

I didn't think that'd be a problem.

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

Ok, patch pushed!

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