From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: [PATCH] guix package: Add '--delete-generations'.
Date: Wed, 25 Sep 2013 15:05:19 +0200
Message-ID: <87fvstm4q8.fsf@gnu.org>
References: <87vc2o4qwc.fsf@gnu.org> <87y57kljro.fsf@karetnikov.org>
	<87hae81uvo.fsf@gnu.org> <87li2oslzh.fsf_-_@karetnikov.org>
	<878uyo60gp.fsf@gnu.org> <877ge7onje.fsf@karetnikov.org>
	<87eh8ftuii.fsf@gnu.org> <87eh8dzg39.fsf@karetnikov.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
Return-path: <guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org>
Received: from eggs.gnu.org ([2001:4830:134:3::10]:55093)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <ludo@gnu.org>) id 1VOorM-0004Wu-4I
	for guix-devel@gnu.org; Wed, 25 Sep 2013 09:10:34 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <ludo@gnu.org>) id 1VOorF-0004pH-Qx
	for guix-devel@gnu.org; Wed, 25 Sep 2013 09:10:28 -0400
Received: from hera.aquilenet.fr ([141.255.128.1]:59815)
	by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <ludo@gnu.org>)
	id 1VOorF-0004pB-F3
	for guix-devel@gnu.org; Wed, 25 Sep 2013 09:10:21 -0400
In-Reply-To: <87eh8dzg39.fsf@karetnikov.org> (Nikita Karetnikov's message of
	"Wed, 25 Sep 2013 08:21:30 +0400")
List-Id: "Development of GNU Guix and the GNU System distribution."
	<guix-devel.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/guix-devel>,
	<mailto:guix-devel-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/guix-devel>
List-Post: <mailto:guix-devel@gnu.org>
List-Help: <mailto:guix-devel-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/guix-devel>,
	<mailto:guix-devel-request@gnu.org?subject=subscribe>
Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org
Sender: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org
To: Nikita Karetnikov <nikita@karetnikov.org>
Cc: guix-devel@gnu.org

Nikita Karetnikov <nikita@karetnikov.org> skribis:

>> Oh.  I=E2=80=99d prefer if it would delete all generations but the curre=
nt one.
>
>> That=E2=80=99s a fairly useful pattern: suppose you want to make space o=
n your
>> disk (and you know you won=E2=80=99t need to roll back), it=E2=80=99d be=
 handy to run:
>
>>   guix package --delete-generations && guix gc
>
>> Whereas if you have to use ranges, you end up doing something like:
>
>>   guix package --list-generations |grep ^G
>>   # check the number of the last generation...
>>   guix package --delete-generations=3D..42 && guix gc
>
>> Conversely, removing *all* the generations is something you=E2=80=99re u=
nlikely
>> to do very often.
>
> =E2=80=98--delete-generations=E2=80=99 could accept an additional argumen=
t, say,
> =E2=80=98keep-current=E2=80=99.  It=E2=80=99d be easier to implement, and=
 I find it less
> confusing.
>
> Would you accept such a solution?

Frankly, I don=E2=80=99t like it.  I think the default behavior should not =
be to
let the user shoot themself in the foot.

WDYT?

Ludo=E2=80=99.