#44414 xterm has GI_TYPELIB_PATH set when started via gdm via fluxbox

Message #5 received at submit@debbugs.gnu.org (full text, mbox, reply):

From: Danny Milosavljevic <dannym@scratchpost.org>

To: <bug-guix@gnu.org>

Subject: xterm has GI_TYPELIB_PATH set when started via gdm via fluxbox

Date: Tue, 3 Nov 2020 10:59:10 +0100

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Hi,

this is one of the bug reports in the aftermath of the problem I had outlined
in "GNOME in Guix" thread.

Currently, even when using xterm, started by fluxbox, started by gdm-x-session,
the environment variable GI_TYPELIB_PATH is set inside the shell started by
that xterm.

Please don't do set GI_TYPELIB_PATH that way.

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Message #10 received at 44414@debbugs.gnu.org (full text, mbox, reply):

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

To: Danny Milosavljevic <dannym@scratchpost.org>

Cc: 44414@debbugs.gnu.org

Subject: Re: bug#44414: xterm has GI_TYPELIB_PATH set when started via gdm via fluxbox

Date: Fri, 27 Aug 2021 15:54:05 -0400

Hello,

Danny Milosavljevic <dannym@scratchpost.org> writes:

> Hi,
>
> this is one of the bug reports in the aftermath of the problem I had outlined
> in "GNOME in Guix" thread.
>
> Currently, even when using xterm, started by fluxbox, started by gdm-x-session,
> the environment variable GI_TYPELIB_PATH is set inside the shell started by
> that xterm.
>
> Please don't do set GI_TYPELIB_PATH that way.

Just confirming that is still the case on a GDM launched session, with:

--8<---------------cut here---------------start------------->8---
cat /proc/$(grep xterm)/environ | xargs -0 -n1 | grep ^GI_TYPELIB
--8<---------------cut here---------------end--------------->8---

Maxim

Message #13 received at 44414@debbugs.gnu.org (full text, mbox, reply):

From: Maxime Devos <maximedevos@telenet.be>

To: Maxim Cournoyer <maxim.cournoyer@gmail.com>, Danny Milosavljevic <dannym@scratchpost.org>

Cc: 44414@debbugs.gnu.org

Subject: Re: bug#44414: xterm has GI_TYPELIB_PATH set when started via gdm via fluxbox

Date: Mon, 30 Aug 2021 19:32:03 +0200

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> Danny Milosavljevic <dannym@scratchpost.org> writes:
> 
> > Hi,
> > 
> > this is one of the bug reports in the aftermath of the problem I had outlined
> > in "GNOME in Guix" thread.
> > 
> > Currently, even when using xterm, started by fluxbox, started by gdm-x-session,
> > the environment variable GI_TYPELIB_PATH is set inside the shell started by
> > that xterm.
> > 
> > Please don't do set GI_TYPELIB_PATH that way.

I took a look at which package or service might be setting GI_TYPELIB_PATH.
xterm and fluxbox don't use wrap-program, so probably not those.
gdm uses glib-or-gtk-build-system, which has a glib-or-gtk-wrap phase,
which wraps programs, setting various environment variables.

It should probably be disabled in this case.  I don't know if GDM uses
GI_TYPELIB_PATH.  If it does, somehow GDM must still find the right
typelibs without setting GI_TYPELIB_PATH ... Or maybe it could simply
unset GI_TYPELIB_PATH between fork(...) and exec(...)? (Requires source
code patching ...)

Greetings,
Maxime.

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