[Bug 1878454] Re: update-manager tries to update snaps even is snaps are not installed

[Ferdi]

I had not removed snapd because of it being a dependency of ubuntu-
desktop.

However, removing snapd did not also remove ubuntu-desktop (seem to
remember it did do so in previous versions) and sort of kept it also for
possible future use of snaps if applicable for my usecases. In order to
be able to use update-manager i have now removed snapd from my system.

Still I think that if snapd is not running, update-manager should not
try to update snaps. Currently update manager tries to update snaps that
I had already removed before stopping snapd. The process takes about a
minute for every snap that was removed, resulting in an error message in
the log, because the snap obviously cannot be found.

May 13 19:24:17 Biodanza01 update-notifier.desktop[7502]: error: no snap found for "core18"
May 13 19:25:57 Biodanza01 update-notifier.desktop[7535]: error: no snap found for "gnome-3-34-1804"
May 13 19:27:37 Biodanza01 update-notifier.desktop[7899]: error: no snap found for "gtk-common-themes"
May 13 19:29:17 Biodanza01 update-notifier.desktop[7957]: error: no snap found for "snap-store"
May 13 19:30:57 Biodanza01 update-notifier.desktop[7992]: error: no snap found for "gnome-3-28-1804"
May 13 19:32:37 Biodanza01 update-notifier.desktop[8019]: error: no snap found for "gnome-calculator"
May 13 19:34:17 Biodanza01 update-notifier.desktop[8041]: error: no snap found for "gnome-characters"
May 13 19:35:57 Biodanza01 update-notifier.desktop[8058]: error: no snap found for "gnome-logs"

Leading to the question, why is it trying to update snaps that have been
removed.

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https://bugs.launchpad.net/bugs/1878454

Title:
  update-manager tries to update snaps even is snaps are not installed

Status in update-manager package in Ubuntu:
  New

Bug description:
  On my laptop running Ubuntu 20.04 Focal Fossa, the update manager
  tries for several minutes to update snaps every time the update-
  manager is used.

  This operation is pointless, because I have removed all snaps from my
  installation and do not run the snapd deamon.

  The update manager should check whether snapd is running at all, and
  if not, it should not try to update snaps, because they are apparently
  not in use.

  Currently resorting to not using the update manager, because it never ends...
  apt works perfectly.

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