From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ricardo Wurmus <rekado@elephly.net>
Subject: Re: Where is gtk-update-icon-cache ... ?
Date: Fri, 11 Jan 2019 06:00:05 +0100
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To: =?utf-8?B?6I2S5LqV5ZCJ5YmH?= <kumagusu08@gmail.com>
Cc: help-guix <help-guix@gnu.org>

Hi,

=E8=8D=92=E4=BA=95=E5=90=89=E5=89=87 <kumagusu08@gmail.com> writes:

> I found /gnu/store/...-gtk+-3.24.0-bin/bin/gtk-update-icon-cache. Also
> found /gnu/store/...-glibc-2.28/bin/locale.
>
> Why not these command make symlink to ~/.guix-profile/bin ?

There will be a lot of files in /gnu/store that are not linked to any
profile.  That=E2=80=99s on purpose.

If you want to install gtk-update-icon-cache you need to install the
=E2=80=9Cgtk+:bin=E2=80=9D package to a profile, e.g. by doing

    guix package -i gtk+:bin

> And  I did gtk-update-icon-cache -t -f --include-image-data
> ~/.guix-profile/share/icons/hicolor.
> It return permission error that is directory read only.

This is also by design.  ~/.guix-profile is read-only because it lives
in /gnu/store (via a series of symlinks).  Nothing in /gnu/store can be
changed; you can only add to it by using the =E2=80=9Cguix=E2=80=9D command=
s.

The is usually no need to run gtk-update-icon-cache manually as it is
run in a profile hook when building a new generation of a profile.

--=20
Ricardo