[Bug 1232066] Re: click unregister on preinstalled app causes exception

[Colin Watson]

** Changed in: click (Ubuntu)
       Status: New => Fix Committed

** Changed in: click (Ubuntu)
   Importance: Undecided => High

** Changed in: click (Ubuntu)
     Assignee: (unassigned) => Colin Watson (cjwatson)

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https://bugs.launchpad.net/bugs/1232066

Title:
  click unregister on preinstalled app causes exception

Status in “click” package in Ubuntu:
  Fix Committed

Bug description:
  Hi,

  when tring to use unity-scope-click to remove a preinstalled package (dropping-letters) I get a pkcon error in the scope; there's a click crash file with a traceback:
  PythonArgs: ['/usr/bin/click', 'unregister', '--user=phablet', 'com.ubuntu.dropp
  ing-letters', '0.1.2.2']
  Traceback:
   Traceback (most recent call last):
     File "/usr/bin/click", line 84, in <module>
       sys.exit(main())
     File "/usr/bin/click", line 79, in main
       mod.run(args)
     File "/usr/lib/python3/dist-packages/click/commands/unregister.py", line 57,
  in run
       registry.remove(package)
     File "/usr/lib/python3/dist-packages/click/user.py", line 295, in remove
       osextras.symlink_force(HIDDEN_VERSION, path)
     File "/usr/lib/python3/dist-packages/click/osextras.py", line 77, in symlink_
  force
       os.symlink(source, link_name)
   FileNotFoundError: [Errno 2] No such file or directory: '/opt/click.ubuntu.com/
  .click/users/phablet/com.ubuntu.dropping-letters'

  Indeed, /opt/click.u.c is empty and .click doesn't exist there.

  Cheers,

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