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Re: Revert dependencies graph


From: Leo Famulari
Subject: Re: Revert dependencies graph
Date: Sat, 15 Dec 2018 14:44:27 -0500
User-agent: Mutt/1.11.0 (2018-11-25)

On Sat, Dec 15, 2018 at 06:10:10PM +0100, address@hidden wrote:
> Hello, Guix Help! Updating with `guix pull` and `guix package -u` has made me 
> waiting for 3 hours already. webkitgtk is compiling so long.
> I've checked all browsers I have and found this is epiphany that needs 
> webkitgtk
> 
> $ guix package --show=epiphany | grep gtk
> + address@hidden address@hidden address@hidden
> + address@hidden address@hidden
> But I have not found in manual revert dependencies graph.
> Does Guix can show revert dependencies? I want only type something to check 
> what the package needs webkitgtk.
> 
> Please, let me know if Guix shows revert dependencies of installed packages?

`guix graph` can show the reverse dependency graph of a package. It does
not show the intersection of that graph with your installed packages,
but it still will help:

`guix graph --type=reverse-package webkitgtk | dot -Tsvg > ~/out.svg`

And then open the SVG image of the graph to view it.

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