xterm has GI_TYPELIB_PATH set when started via gdm via fluxbox

OpenSubmitted by Danny Milosavljevic.
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4 participants
  • Danny Milosavljevic
  • Ludovic Courtès
  • Maxim Cournoyer
  • Maxime Devos
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unassigned
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important
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Danny Milosavljevic wrote on 3 Nov 2020 10:59
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(address . bug-guix@gnu.org)
20201103105910.5e8a7276@scratchpost.org
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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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Ludovic Courtès wrote on 3 Dec 2020 18:10
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severity 44414 important
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Maxim Cournoyer wrote on 27 Aug 2021 21:54
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Re: bug#44414: xterm has GI_TYPELIB_PATH set when started via gdm via fluxbox
(name . Danny Milosavljevic)(address . dannym@scratchpost.org)(address . 44414@debbugs.gnu.org)
87a6l2slya.fsf@gmail.com
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Hello,

Danny Milosavljevic <dannym@scratchpost.org> writes:

Toggle quote (11 lines)
> 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:

Toggle snippet (3 lines)
cat /proc/$(grep xterm)/environ | xargs -0 -n1 | grep ^GI_TYPELIB

Maxim
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Maxime Devos wrote on 30 Aug 2021 19:32
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(address . 44414@debbugs.gnu.org)
a36053d592e4b384d585b6c25438dcce798afb2a.camel@telenet.be
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Toggle quote (13 lines)
> 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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