Re: 01/02: services: Allow modprobe to use "/etc/modprobe.d".

[Brice Waegeneire]

Hello,

On 2020-04-07 09:35, Ludovic Courtès wrote:
> Brice Waegeneire <address@hidden> skribis:
> > On 2020-04-05 21:15, Ludovic Courtès wrote:
> > > address@hidden skribis:
> > > Looking at this, I was wondering if it would be possible to not use
> > > /etc/modprobe.d and instead have a way to tell the modprobe wrapper 
> > > to
> > > pass “-C /gnu/store/…-modprobe.d”, which would contain the right 
> > > thing.
> > >
> > > Thoughts?
> >
> > What's the issue with using /etc/modrpobe.d?
>
> In general, use of the global file system name space isn’t great: it’s
> ambiguous (compare to a /gnu/store reference) and doesn’t work well 
> upon
> rollback or reconfigure (things that refer to /etc end up referring to
> the “new” /etc after reconfigure, even though that might not actually
> work.)
>
> Conversely, “-C /gnu/store/…-modprobe.d” unambiguously refers to the
> intended directory.
>
> WDYT?

It's good with me, I'll do as suggested -using the environment variable-
when implementing “kernel-module-configuratuion-service-type”.

- Brice