Bug#977510: [gajim] File/Link actions cause g-io-error-quark exception

[Charlemagne Lasse]

Package: gajim
Version: 1.2.2-1
Severity: important
Tags: patch
X-Debbugs-Cc: pkg-gnome-maintainers at lists.alioth.debian.org
X-Debbugs-Cc: pkg-xmpp-devel at lists.alioth.debian.org
X-Debbugs-Cc: pkg-freedesktop-maintainers at lists.alioth.debian.org

It was noticed that there is a regression when switching from gajim on
Debian buster to gajim on Debian bullseye.

When clicking on a file (aesgcm://....) in the chat, the data is
downloaded but the buttons "Open Folder" or "Open" aren't doing
anything. Also clicking on a link will not open a browser window. Only
following is shown in the log for all the described scenarios:

15.12.2020 09:23:17 (E) gajim.c.helpers            g-io-error-quark:
No application is registered as handling this file (15)
Traceback (most recent call last):
 File "/usr/lib/python3/dist-packages/gajim/common/helpers.py", line
1044, in func_wrapper
   result = func(self, *args, **kwargs)
 File "/usr/lib/python3/dist-packages/gajim/common/helpers.py", line
1160, in open_file
   Gio.AppInfo.launch_default_for_uri(path)
gi.repository.GLib.GError: g-io-error-quark: No application is
registered as handling this file (15)

This can easily be fixed with the attached patch for the dependencies
in debian/control to make sure that desktop-file-utils are installed.
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