zimoun <zimon.toutoune@gmail.com> writes:

> Dear,
>
> When debugging, I find really useful the command: "guix build -d package".
>
> Is it possible to do the same on the resulting '/gnu/store/<path>'?
>
> For example,
>
> $ guix build hello
> /gnu/store/kg9mirg6xbvzcp0a98v7326n1nvvwgsj-hello-2.10
>
> $ guix build -d hello
> /gnu/store/gknm68l0q893bpvyhcd4ccih1bmh0j87-hello-2.10.drv
>
> Well, I would like to do something like that?
>
> $ guix build -d /gnu/store/kg9mirg6xbvzcp0a98v7326n1nvvwgsj-hello-2.10
> /gnu/store/gknm68l0q893bpvyhcd4ccih1bmh0j87-hello-2.10.drv
>
> Does it make sense?

That does make sense and is already supported with 'guix gc --derivers':

$ guix gc --derivers /gnu/store/a462kby1q51ndvxdv3b6p0rsixxrgx1h-hello-2.10
/gnu/store/8s63hyw4f2ivf1zxkx65awlx5jackvbz-hello-2.10.drv

:-)