[Bug 2042543] Re: Firefox-snap cannot save files or launch apps due to faulty apparmor configuration

[Karl Kastner]

xdg-desktop-portal-gtk was indeed installed with gnome:

~$ grep " install " /var/log/dpkg.log | grep xdg
2023-11-04 13:01:03 install xdg-desktop-portal:amd64 1.14.4-1ubuntu2~22.04.1 1.14.4-1ubuntu2~22.04.1
2023-11-04 13:01:08 install xdg-desktop-portal-gtk:amd64 <none> 1.14.0-1build1
2023-11-04 13:01:08 install xdg-desktop-portal-gnome:amd64 <none> 42.1-0ubuntu1

And after removing the xdg-desktop-portal-gtk package the file access in
firefox stopped working again. There was no warning that firefox
depencies will be broken upon removal of the xdg package, so xdg seems
to be missing from the firefox depencies, wich is confirmed by the
package manager:

~$ apt-cache depends firefox | grep xdg
~$ 

So either just the xdg missing in the depency list of firefox, or,
worse, if snap manages dependencies independently, it fails to keep
dependencies consistent whenever there is an attempt to update or remove
them via the package manager.

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https://bugs.launchpad.net/bugs/2042543

Title:
  Firefox-snap cannot save files or launch apps due to faulty apparmor
  configuration

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