#20255 - 'search-paths' should respect both user and system profile.

Package	Source(s)		Maintainer(s)
guix		PTS Buildd Popcon

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From: Ludovic Courtès <ludo@gnu.org>
To: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Subject: Re: [bug#56382] [PATCH] gnu: gajim: Use hicolor-icon-theme to avoid
 crashing on startup
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Hi,

Maxim Cournoyer <maxim.cournoyer@gmail.com> skribis:

> Hi Ludovic,
>
> Ludovic Courtès <ludo@gnu.org> writes:
>
>> Hi,
>>
>> "Raghav Gururajan" <rg@raghavgururajan.name> skribis:
>>
>>>> Does simply adding ‘hicolor-icon-theme’ to ‘inputs’ fix the issue?
>>>
>>> Most gtk-based apps expect hicolor-icon-theme and adwaita-icon-theme to be in the profile. Adding these in either system or user profile would prevent this error from occurring.
>>
>> Right, so the proposed patch (adding ‘hicolor-icon-theme’ to ‘inputs’,
>> not ‘propagated-inputs’) shouldn’t make any difference I guess?
>
> I think it works as inputs because of our wrappers (perhaps
> XDG_DATA_DIRS)?  But it's kind at odds with our policy which is to let
> users manage icons themselves.

Yeah.

> Probably because of #20255 that wouldn't help currently (system and user
> profiles are not merged), but if we fixed that bug we could make the
> situation better by adding 'hicolor-icon-theme' to the default packages
> of our desktop system templates.

Right.

BTW, the reason the solution at <https://issues.guix.gnu.org/20255#12>
was rejected could be revisited.  Since that time, search paths made it
into the manifest itself, which brings a speed up:

--8<---------------cut here---------------start------------->8---
$ sudo sh -c 'echo 3 > /proc/sys/vm/drop_caches '
$ time guix package -p ~/.guix-home/profile -p /run/current-system/profile --search-paths > /dev/null

real    0m0.540s
user    0m0.131s
sys     0m0.063s
$ time guix package -p ~/.guix-home/profile -p /run/current-system/profile --search-paths > /dev/null

real    0m0.135s
user    0m0.130s
sys     0m0.024s
--8<---------------cut here---------------end--------------->8---

Thoughts?

Ludo’.

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#20255 'search-paths' should respect both user and system profile.