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Re: Reverse dependencies

From: Patricia J. Hawkins
Subject: Re: Reverse dependencies
Date: Thu, 11 Aug 2016 15:08:26 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)

>>>>> "VL" == Vincent Legoll <address@hidden> writes:

VL> Hello,
>>> I'm trying to understand which package(s) depends on some other package,
>>> kind of the reverse of what guix graph does (I think).
>> I think that `guix refresh --list-dependent foo` is what you are asking
>> for, or at least it's close. We use it to learn what will need to be
>> rebuilt when upgrading foo.

VL> Not really what I want to know:

VL> # guix refresh --list-dependent inkscape
VL> Building the following 5 packages would ensure 10 dependent packages
VL> are rebuilt: frescobaldi-2.19.0 solfege-3.22.2 simple-scan-3.19.91
VL> termite-11 hydra-20150407.4c0e3e4

VL> None of those are installed, but inkscape is pulled in by something
VL> which I want to know

VL> Is there no other way to get that information ?

Synaptic has this capability, I expect the code could be
reused. It is indeed handy to have. 

Attached is a screenshot of the packages that have inkscape as a
dependency, as of the latest upgrade of Ubuntu 14.04.5 (Trusty tahr.) 

Attachment: Packages_depending_on_inkscape.png
Description: Packages that depend on inkscape

Patricia J. Hawkins

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