Re: Plan for 0.9.0

["Thompson, David" <dthompson2@worcester.edu>]

On Thu, Oct 15, 2015 at 8:28 AM, Mathieu Lirzin <mthl@openmailbox.org> wrote:
> Eric Bavier <ericbavier@openmailbox.org> writes:
>
>> On Wed, 14 Oct 2015 23:44:39 +0200
>> ludo@gnu.org (Ludovic Courtès) wrote:
>>
>>> Mathieu Lirzin <mthl@openmailbox.org> skribis:
>>>
>>> > ludo@gnu.org (Ludovic Courtès) writes:
>>> >
>>> >> Dunno, I admit I’m not as enthusiastic as the other people here.  :-)
>>> >>
>>> >> What would ‘guix gc’ (without any option) do?
>>> >
>>> > Show --help and exit(0)?  ;)
>>>
>>> Sure we could do that, but I’m not convinced it’s an improvement.  WDYT?
>>
>> FWIW, I'm not convinced either.
>
> I think the enthusiasm for changing ‘guix gc’ was induced by somekind of
> shared experience of typing it loosely and ending up having to download
> a lot of substitutes again.  So maybe we can keep ‘guix gc’ as it is but
> make it interactive by listing what is going to be deleted and ask for
> confirmation with a [Y/n] prompt.  This solution will also require
> somekind of a ‘--force’ option for scripting purposes.
>
> Does it sound better?

In general, I do not like interactive CLIs.  I'm fine with 'guix gc'
working as-is.  The re-downloading lots of substitutes issue is not an
issue about the CLI, but rather about not making store items that you
want to hang around GC roots.

- Dave