[Bug 1807900] Re: update-manager suggests to use Livepatch, which is not available

[Matthew Paul Thomas]

Did you mean “if canonical-livepatch is not installed”? I don’t think
this has anything to do with gnome-control-center, as long as software-
properties-gtk is (unfortunately) separate from it.

Coincidentally I’ve been working on design for handling other cases
where Livepatch isn’t available: inapplicable architecture, inapplicable
Ubuntu version, etc. This should use the same mechanism.

Specification updated: “It should have secondary text if: • Livepatch is
available but not turned on for this system…”
<https://wiki.ubuntu.com/SoftwareUpdates?action=diff&rev2=226&rev1=225>

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https://bugs.launchpad.net/bugs/1807900

Title:
  update-manager suggests to use Livepatch, which is not available

Status in update-manager package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu MATE 18.04.1
  update-manager 1:18.04.11.7

  Steps to reproduce:
  1. After installing updates via update-manager, a dialog box appears stating 'Tip: You can use Livepatch to keep your computer more secure between restarts.' 
  2. Click 'Settings and Livepatch...'.
  3. software-properties-gtk launches, showing the 'Updates' tab. 
  4. There is no option to enable Livepatch, either in the Updates tab or elsewhere.

  Probably related to Bug #1770686. The dialog box should not suggest to
  use Livepatch if gnome-control-center is not installed.

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