[bug#46560] [PATCH 0/2] Activate system when switching generations.

[Ludovic Courtès]

Hi,

Brice Waegeneire <brice@waegenei.re> skribis:

> * gnu/services.scm (activation-profile-entry): New procedure...
> (activation-service-type): ... use it.

[...]

> +(define (activation-profile-entry gexps)
> +  "Return, as a monadic value, an entry for the activation script in the
> +system directory."
> +  (mlet %store-monad ((activate (lower-object (activation-script gexps))))
> +    (return `(("activate" ,activate)))))
> +
>  (define (second-argument a b) b)
>  
>  (define activation-service-type
>    (service-type (name 'activate)
>                  (extensions
>                   (list (service-extension boot-service-type
> -                                          gexps->activation-gexp)))
> +                                          gexps->activation-gexp)
> +                       (service-extension system-service-type
> +                                          activation-profile-entry)))

Good idea, LGTM!