GNU bug report logs - #43477
[PATCH 0/1] guix: graph: Add 'plain' backend.

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From: Mathieu Othacehe <othacehe <at> gnu.org>
To: zimoun <zimon.toutoune <at> gmail.com>
Cc: 43477 <at> debbugs.gnu.org
Subject: [bug#43477] [PATCH 0/1] guix: graph: Add 'plain' backend.
Date: Fri, 18 Sep 2020 11:35:55 +0200

Hello zimoun,

> I am always annoyed when I use "guix graph" because most of the time I run:
>
>   guix graph htop | grep label
>
> or something along these lines.  Instead, the patch avoids the grep part:

What's your exact use case? Note that you can run something like:

--8<---------------cut here---------------start------------->8---
guix gc -R `guix build htop`
--8<---------------cut here---------------end--------------->8---

to print the transitive closure of htop.

> $ ./pre-inst-env guix graph -b plain htop
> htop <at> 3.0.2
> autoconf <at> 2.69
> perl <at> 5.30.2
> m4 <at> 1.4.18
> automake <at> 1.16.2
> autoconf-wrapper <at> 2.69
> guile <at> 2.0.14
> pkg-config <at> 0.29.2
> libffi <at> 3.3
> bash-minimal <at> 5.0.16
> libunistring <at> 0.9.10
> libltdl <at> 2.4.6
> libgc <at> 8.0.4
> gmp <at> 6.2.0
> bash <at> 5.0.16
> readline <at> 8.0.4
> ncurses <at> 6.2

The issue with this approach is that the output is not really a graph,
just a list of nodes.

Thanks,

Mathieu

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