From mboxrd@z Thu Jan  1 00:00:00 1970
From: Cyril Roelandt <tipecaml@gmail.com>
Subject: Re: New =?UTF-8?B?4oCYZ3VpeCBncmFwaOKAmSBjb21tYW5k?=
Date: Fri, 11 Sep 2015 02:02:45 +0200
Message-ID: <55F21A25.6050702@gmail.com>
References: <87io8164s0.fsf@gnu.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Return-path: <guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org>
Received: from eggs.gnu.org ([2001:4830:134:3::10]:58380)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <tipecaml@gmail.com>) id 1ZaBns-0006s8-3h
	for guix-devel@gnu.org; Thu, 10 Sep 2015 20:02:56 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <tipecaml@gmail.com>) id 1ZaBno-0002jv-3G
	for guix-devel@gnu.org; Thu, 10 Sep 2015 20:02:56 -0400
Received: from mail-wi0-x229.google.com ([2a00:1450:400c:c05::229]:33252)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <tipecaml@gmail.com>) id 1ZaBnn-0002iO-TK
	for guix-devel@gnu.org; Thu, 10 Sep 2015 20:02:52 -0400
Received: by wiclk2 with SMTP id lk2so46069776wic.0
	for <guix-devel@gnu.org>; Thu, 10 Sep 2015 17:02:49 -0700 (PDT)
Received: from [192.168.0.10] (tal33-3-82-233-82-24.fbx.proxad.net.
	[82.233.82.24]) by smtp.googlemail.com with ESMTPSA id
	go5sm11752992wib.3.2015.09.10.17.02.48 for <guix-devel@gnu.org>
	(version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);
	Thu, 10 Sep 2015 17:02:48 -0700 (PDT)
In-Reply-To: <87io8164s0.fsf@gnu.org>
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: guix-devel@gnu.org

On 08/27/2015 12:53 AM, Ludovic Courtès wrote:
> Here’s a long overdue ‘guix graph’ command (documentation below.)
> Comments welcome!

Would it be hard to do the opposite of what guix graph does ? I'd like
to be able to find the list of packages which depend on a given package.
This would be useful when updating a package, to make sure that the
update does not break anything.

WDYT?


Cyril.