bug#51968: xounalpp package issues

[Daniel Meißner]

Hi!

Further investigation reveals that the missing file `image-missing.png'
is in the package adwaita-icon-theme and not gnome-icon-theme.  Note
that simply installing the package in the same profile does not help:

--8<---------------cut here---------------start------------->8---
$ guix shell --pure xournalpp adwaita-icon-theme -- xournalpp
** Message: 10:46:08.511: TEXTDOMAINDIR = (null), PACKAGE_LOCALE_DIR = 
/gnu/store/dw4ca44bncb2cl0q7yx53lh1md90dcwg-xournalpp-1.1.0/share/locale, 
chosen directory = 
/gnu/store/dw4ca44bncb2cl0q7yx53lh1md90dcwg-xournalpp-1.1.0/share/locale
ALSA lib pcm_dsnoop.c:638:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
ALSA lib pcm_route.c:877:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_route.c:877:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_route.c:877:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_dsnoop.c:638:(snd_pcm_dsnoop_open) unable to open slave
** Message: 10:46:08.543: Plugin "MigrateFontSizes" UI initialized
**
Gtk:ERROR:gtkiconhelper.c:494:ensure_surface_for_gicon: assertion failed (error 
== NULL): Icon 'image-missing' not present in theme Adwaita 
(gtk-icon-theme-error-quark, 0)
Bail out! Gtk:ERROR:gtkiconhelper.c:494:ensure_surface_for_gicon: assertion 
failed (error == NULL): Icon 'image-missing' not present in theme Adwaita 
(gtk-icon-theme-error-quark, 0)

** (xournalpp:4093): WARNING **: 10:46:08.624: [Crash Handler] Crashed with 
signal 6

** (xournalpp:4093): WARNING **: 10:46:08.624: [Crash Handler] Wrote crash log 
to: /home/daniel/.cache/xournalpp/errorlogs/errorlog.20211119-104608.log

** (xournalpp:4093): WARNING **: 10:46:08.723: Trying to emergency save the 
current open document?

** (xournalpp:4093): WARNING **: 10:46:08.724: Successfully saved document to 
"/home/daniel/.config/xournalpp/emergencysave.xopp"
--8<---------------cut here---------------end--------------->8---

This is because the variable XDG_DATA_DIRS is not set.  Setting it to
the correct value fixes the problem:

--8<---------------cut here---------------start------------->8---
$ guix shell --pure xournalpp adwaita-icon-theme
[env]$ echo $XDG_DATA_DIRS

[env]$ export XDG_DATA_DIRS=$GUIX_ENVIRONMENT/share
[env]$ xournalpp
** Message: 10:48:30.406: TEXTDOMAINDIR = (null), PACKAGE_LOCALE_DIR = 
/gnu/store/dw4ca44bncb2cl0q7yx53lh1md90dcwg-xournalpp-1.1.0/share/locale, 
chosen directory = 
/gnu/store/dw4ca44bncb2cl0q7yx53lh1md90dcwg-xournalpp-1.1.0/share/locale
ALSA lib pcm_dsnoop.c:638:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
ALSA lib pcm_route.c:877:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_route.c:877:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_route.c:877:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_dsnoop.c:638:(snd_pcm_dsnoop_open) unable to open slave
** Message: 10:48:30.439: Plugin "MigrateFontSizes" UI initialized
[env]$ 
--8<---------------cut here---------------end--------------->8---

Best
Daniel