From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
Subject: bug#30710: guix graph gives duplicate nodes
Date: Mon, 05 Mar 2018 18:19:12 +0100
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	(Hartmut Goebel's message of "Mon, 5 Mar 2018 10:37:39 +0100")
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To: Hartmut Goebel <h.goebel@crazy-compilers.com>
Cc: 30710@debbugs.gnu.org

Hello,

Hartmut Goebel <h.goebel@crazy-compilers.com> skribis:

> "guix graph" delivers the same package with different IDs. Here is an
> example with a node delivered twice. (For plasma-workspace, which I'm
> working on, this package was even listed four times).
>
> $ ./pre-inst-env guix graph -t package -b graphviz qtbase | grep
> autoconf-wrapper
> =C2=A0 "59511552" [label =3D "autoconf-wrapper-2.69", shape =3D box, font=
name =3D
> Helvetica];
> =C2=A0 "59511744" [label =3D "autoconf-wrapper-2.69", shape =3D box, font=
name =3D
> Helvetica];

This is expected.  Strictly speaking, we=E2=80=99re talking about two diffe=
rent
package objects, hence the different IDs.

Now, there are cases were we have multiple package objects mapping to a
single derivation.  That=E2=80=99s OK.  You can use =E2=80=9Cguix graph -t =
bag=E2=80=9D or
similar if you want nodes that correspond to derivations.

HTH!

Ludo=E2=80=99.