GNU bug report logs - #38529
Make --pure the default for `guix environment'?

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Message #218 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Christopher Lemmer Webber <cwebber <at> dustycloud.org>
To: Taylan Kammer <taylan.kammer <at> gmail.com>
Cc: bug-guix <at> gnu.org, Ludovic Courtès <ludo <at> gnu.org>,
 Pierre Neidhardt <mail <at> ambrevar.xyz>, "Thompson, 
 David" <dthompson2 <at> worcester.edu>, 38529 <at> debbugs.gnu.org
Subject: Re: bug#38529: Make --pure the default for `guix environment'?
Date: Wed, 04 Nov 2020 11:05:01 -0500

Taylan Kammer writes:

> On 10.12.2019 18:16, Ludovic Courtès wrote:
>> Hello!
>> "Thompson, David" <dthompson2 <at> worcester.edu> skribis:
>> 
>>> I have long thought that --ad-hoc should be implied, as that is the
>>> mode I use 99% of the time, but I disagree that --pure should be the
>>> default.
>> I very much agree with that.  I don’t think ‘--pure’ should be the
>> default, because there are valid use cases for that.
>> As for ‘--ad-hoc’: making it the default is technically easy.  The
>> difficulty is to come up with a nice transition/deprecation mechanism so
>> that we don’t break everyone’s script overnight.
>> Ideas on how to achieve it are welcome!
>> Thanks,
>> Ludo’.
>> 
>
> I suppose the straightforward way of doing such a transition would be:
>
> - In the next release, add --inputs-of and make the use of 'guix
>   environment' with neither switch emit a warning saying you should
>  use the new switch to explicitly enable it because the default will
> change.
>
> - Later, change the default behavior and deprecate --ad-hoc as it
>   becomes a no-op.
>
> - (Optional) In some future release, remove --ad-hoc.
>
>
> Taylan

That sounds good to me.

And could we make "env" a shortcut for "environment" anyway?  My fingers
are tired. ;)

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