Targeting 22.04 so this can become part of the core22 snap fixing the
issue for most modern snaps.

** Changed in: glib2.0 (Ubuntu Jammy)
   Importance: Undecided => High

** Changed in: glib2.0 (Ubuntu Kinetic)
   Importance: Undecided => High

** Changed in: glib2.0 (Ubuntu Lunar)
   Importance: Undecided => High

** Changed in: glib2.0 (Ubuntu Jammy)
     Assignee: (unassigned) => Robert Ancell (robert-ancell)

** Changed in: glib2.0 (Ubuntu Kinetic)
     Assignee: (unassigned) => Robert Ancell (robert-ancell)

** Changed in: glib2.0 (Ubuntu Lunar)
     Assignee: (unassigned) => Robert Ancell (robert-ancell)

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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to glib2.0 in Ubuntu.
https://bugs.launchpad.net/bugs/1998267

Title:
  glib not aware of snap confinement

Status in glib2.0 package in Ubuntu:
  New
Status in glib2.0 source package in Jammy:
  New
Status in glib2.0 source package in Kinetic:
  New
Status in glib2.0 source package in Lunar:
  New

Bug description:
  [ Impact]

  glib is not aware of snap confinement and this causes the internal
  logic to decide when to use portals to not work as designed. One
  important case is the gsettings backend, which should use a keyfile
  when confined rather than using dconf. When using a fully confined
  desktop this is required, as dconf is not suitable for sharing between
  snaps.

  This has been fixed in glib main:
  https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3020

  [ Test Plan ]

  1. Install gnome-calculator snap:
  $ snap install gnome-calculator
  2. Disconnect gsettings interface:
  $ snap disconnect gnome-calculator:gsettings
  3. Run gnome-calculator
  4. Change mode from basic to advanced
  5. Close and re-open gnome-calculator

  Expected result:
  Mode change remembered on second run. gnome-calculator settings written to 
~/snap/gnome-calculator/current/.config/glib-2.0/settings/keyfile

  Observed result:
  Mode change not remembered on second run, errors shown in console about 
accessing dconf:
  (gnome-calculator:1031938): dconf-CRITICAL **: 14:08:56.034: unable to create 
file '/run/user/1000/snap.gnome-calculator/dconf/user': Permission denied.  
dconf will not work properly.

  [ Where problems could occur ]

  - New bug introduced in glib causing a crash.
  - Security issue introduced in glib due to accessing snapctl.
  - Unexpected behaviour change when running snaps with updated glib.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/glib2.0/+bug/1998267/+subscriptions


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