[Bug 1856996] Re: default set of snap packages are reinstalled during release upgrade

[Launchpad Bug Tracker]

This bug was fixed in the package ubuntu-release-upgrader - 1:20.04.8

---------------
ubuntu-release-upgrader (1:20.04.8) focal; urgency=medium

  [ Jean-Baptiste Lallement ]
  * Do not install a snap package if the corresponding debian package is not
    installed (LP: #1856996)
  * Fixed crash when checking a section of a package when the package is a
    snap (LP: #1856862)
  * Update release to 20.04 in UI (LP: #1856948)

  [ Brian Murray ]
  * Translations, demotions and mirror updates.

 -- Brian Murray <brian at ubuntu.com>  Fri, 20 Dec 2019 13:14:26 -0800

** Changed in: ubuntu-release-upgrader (Ubuntu Focal)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1856996

Title:
  default set of snap packages are reinstalled during release upgrade

Status in ubuntu-release-upgrader package in Ubuntu:
  Fix Released
Status in ubuntu-release-upgrader source package in Focal:
  Fix Released

Bug description:
  TEST CASE
  1. Install 19.10
  2. Remove the default snap packages pre-installed on the system but core and core18
  3. In a terminal run: do-release-upgrade -d

  ACTUAL RESULT
  Packages are re-installed
  2019-12-18 14:47:25,609 DEBUG running Quirks.focalPostUpgrade
  2019-12-18 14:49:13,372 DEBUG install of snap core18 succeeded
  2019-12-18 14:55:34,978 DEBUG install of snap gnome-3-28-1804 succeeded
  2019-12-18 14:57:02,548 DEBUG install of snap gtk-common-themes succeeded
  2019-12-18 14:57:14,214 DEBUG install of snap gnome-calculator succeeded
  2019-12-18 14:57:44,114 DEBUG install of snap gnome-characters succeeded
  2019-12-18 14:57:48,609 DEBUG install of snap gnome-logs succeeded

  EXPECTED RESULT
  The debian package should be migrated to the corresponding snap package is the debian package is installed.
  Is neither the debian package or the snap package is installed, the default set of snap packages should not be reinstalled.

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