[Bug 1468721] [NEW] muon updater unresponsive after cancel

[Gil Gamesh]

Public bug reported:

If I click "Install updates" and then click "Cancel" at the password
prompt, muon stays in a state of waiting for authentication and I have
to exit the program and then re-open it.

I would expect the program to return to the same state as when it is
first opened - the user may have clicked "Cancel" simply to check
something about one of the packages to be updated - and to be ready to
proceed again with the update.

kubuntu 15.04 - 64bit


$lsb_release -rd
Description:    Ubuntu 15.04
Release:        15.04

$ apt-cache policy muon
muon:
  Installed: (none)
  Candidate: 4:5.2.2-1-0ubuntu4
  Version table:
     4:5.2.2-1-0ubuntu4 0
        500 http://ie.archive.ubuntu.com/ubuntu/ vivid/universe amd64 Packages

** Affects: muon (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1468721

Title:
  muon updater unresponsive after cancel

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