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[Brian Murray <1981485@xxxxxxxxxxxxxxxxxx>]

Test 1 completed successfully and the snap gnome-3-34-1804 was not
installed any more after upgrade.

bdmurray@clean-focal-amd64:/tmp/uru$ head /var/log/dist-upgrade/main.log 
2022-07-22 12:30:24,915 INFO Using config files '['./DistUpgrade.cfg.focal', '/etc/update-manager/release-upgrades.d/ubuntu-advantage-upgrades.cfg']'
2022-07-22 12:30:24,916 INFO uname information: 'Linux clean-focal-amd64 5.15.0-41-generic #44~20.04.1-Ubuntu SMP Fri Jun 24 13:27:29 UTC 2022 x86_64'
2022-07-22 12:30:25,248 INFO apt version: '2.0.9'
2022-07-22 12:30:25,248 INFO python version: '3.8.10 (default, Jun 22 2022, 20:18:18) 
[GCC 9.4.0]'
2022-07-22 12:30:25,250 INFO release-upgrader version '22.04.12' started
2022-07-22 12:30:25,254 INFO locale: 'en_US' 'UTF-8'
2022-07-22 12:30:25,336 DEBUG Using 'DistUpgradeViewText' view
2022-07-22 12:30:25,377 DEBUG enable dpkg --force-overwrite
2022-07-22 12:30:25,424 DEBUG creating statefile: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
bdmurray@clean-focal-amd64:/tmp/uru$ snap list
Name                       Version           Rev    Tracking         Publisher   Notes
bare                       1.0               5      latest/stable    canonical✓  base
core20                     20220706          1581   latest/stable    canonical✓  base
firefox                    102.0.1-1         1551   latest/stable    mozilla✓    -
gnome-3-38-2004            0+git.891e5bc     112    latest/stable/…  canonical✓  -
gtk-common-themes          0.1-81-g442e511   1535   latest/stable/…  canonical✓  -
snap-store                 41.3-60-gfe4703a  582    latest/stable/…  canonical✓  -
snapd                      2.56.2            16292  latest/stable    canonical✓  snapd
snapd-desktop-integration  0.1               14     latest/stable/…  canonical✓  -
bdmurray@clean-focal-amd64:/tmp/uru$ cat /etc/lsb-release 
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=22.04
DISTRIB_CODENAME=jammy
DISTRIB_DESCRIPTION="Ubuntu 22.04 LTS"

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https://bugs.launchpad.net/bugs/1981485

Title:
  deb2snap.json contains gnome-3-34-1804 in the seeded section

Status in ubuntu-release-upgrader package in Ubuntu:
  Fix Released
Status in ubuntu-release-upgrader source package in Jammy:
  Triaged
Status in ubuntu-release-upgrader source package in Kinetic:
  Fix Released

Bug description:
  [Description]
  The snap gnome-3-34-1804 is no longer seeded in Ubuntu 22.04 but the distribution upgrade process is not aware of this and will leave the snap installed after the upgrade.

  [Test Plan]
  Test 1
  ------
  Using the dist-upgrader tarball from http://archive.ubuntu.com/ubuntu/dists/jammy-proposed/main/dist-upgrader-all/current/ on an Ubuntu 20.04 LTS system upgrade to Ubuntu 22.04 LTS. (Using the tarball is necessary because one cannot use 'do-release-upgrade -d and -p' simultaneously.) The tarball should be manually extracted into /tmp/ and the file (or symlink) named 'jammy' should be executed.

  After the upgrade completes the snap gnome-3-34-1804 should no long be
  installed. (Check out output of snap list and also check
  /var/log/dist-upgrade/main.log for the message "removing snap
  gnome-3-34-1804".)

  Test 2
  ------
  Complete the same test as above but before upgrading install the slack snap. After the upgrade completes gnome-3-34-1804 should still be installed and the slack snap should still launch.

  [Regression Potential]
  Other snaps may depend on the gnome-3-34-1804 snap (slack for instance) and removing gnome-3-34-1804 would then make those snaps unusable. Subsequently, the test plan involves installing the slack snap and then upgrading and ensuring it still launches.

  Original Description
  --------------------
  During an upgrade from Ubuntu 20.04 to Ubuntu 22.04 I noticed the following in the log:

  2022-07-12 12:11:02,144 DEBUG install of snap firefox succeeded
  2022-07-12 12:11:02,735 DEBUG refresh of snap gnome-3-34-1804 failed
  2022-07-12 12:11:03,372 DEBUG refresh of snap gtk-common-themes succeeded

  The refresh of the snap gnome-3-34-1804 failed because there is no
  ubuntu-22.04 channel for it. I don't think the snap is needed any
  longer and it should switch from the "seeded" section to the
  "unseeded" section in deb2snap.json.

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