Hello,

<znavko@tutanota.com> writes:

> 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
> + gnome-desktop@3.24.2 gsettings-desktop-schemas@3.24.1 gtk+@3.24.0
> + sqlite@3.24.0 webkitgtk@2.22.4
> 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?

I had the same issue, but with qtwebkit.  Maybe this could help:
--8<---------------cut here---------------start------------->8---
for i in $(guix package -I | awk '{print $1}') ; do guix graph $i | grep -q qtwebkit && echo $i ; done
--8<---------------cut here---------------end--------------->8---

Oleg.