From mboxrd@z Thu Jan  1 00:00:00 1970
From: Leo Famulari <leo@famulari.name>
Subject: =?UTF-8?Q?Re=3A=20New=20=E2=80=98guix=20graph=E2=80=99=20command?=
Date: Fri, 11 Sep 2015 03:19:55 -0400
Message-ID: <1441955995.3385549.380609361.362727AA@webmail.messagingengine.com>
References: <87io8164s0.fsf@gnu.org> <55F21A25.6050702@gmail.com>
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]:36372)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <leo@famulari.name>) id 1ZaIcs-0000qL-DH
	for guix-devel@gnu.org; Fri, 11 Sep 2015 03:20:03 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <leo@famulari.name>) id 1ZaIco-0006nJ-2q
	for guix-devel@gnu.org; Fri, 11 Sep 2015 03:20:02 -0400
Received: from out4-smtp.messagingengine.com ([66.111.4.28]:36379)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <leo@famulari.name>) id 1ZaIcn-0006mo-RP
	for guix-devel@gnu.org; Fri, 11 Sep 2015 03:19:58 -0400
Received: from compute6.internal (compute6.nyi.internal [10.202.2.46])
	by mailout.nyi.internal (Postfix) with ESMTP id DB7CB205CD
	for <guix-devel@gnu.org>; Fri, 11 Sep 2015 03:19:55 -0400 (EDT)
In-Reply-To: <55F21A25.6050702@gmail.com>
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

I think that is what `guix gc --referrers /gnu/store/...package` does.

http://www.gnu.org/software/guix/manual/html_node/Invoking-guix-gc.html

On Thu, Sep 10, 2015, at 20:02, Cyril Roelandt wrote:
> On 08/27/2015 12:53 AM, Ludovic Court=C3=A8s wrote:
> > Here=E2=80=99s a long overdue =E2=80=98guix graph=E2=80=99 command (doc=
umentation below.)
> > Comments welcome!
>=20
> 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.
>=20
> WDYT?
>=20
>=20
> Cyril.
>=20