[Bug 1216033] [NEW] update-manager does not automatically replace packages on a conflict with a virtual package

[Steve Langasek]

Public bug reported:

libgphoto2 recently had an soname transition; libgphoto2-2 was replaced
by libgphoto2-6, libgphoto2-port0 was replaced by libgphoto2-port10.

Update-manager would not automatically replace libgphoto2-port0 with
libgphoto2-port10, which is required because:

Package: libgphoto2-port0
Replaces: libgphoto2port
Provides: libgphoto2port
Conflicts: libgphoto2port

Package: libgphoto2-port10
Replaces: libgphoto2port
Provides: libgphoto2port
Conflicts: libgphoto2port

So this is a clear conflicts with the package, which update-manager
should handle.

It happens that the conflicts here is also wrong and buggy and should be
removed, but u-m should still be able to transparently handle Conflicts
with a virtual package without throwing the user to the "partial
upgrade" dialog.

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1216033

Title:
  update-manager does not automatically replace packages on a conflict
  with a virtual package

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  libgphoto2 recently had an soname transition; libgphoto2-2 was
  replaced by libgphoto2-6, libgphoto2-port0 was replaced by
  libgphoto2-port10.

  Update-manager would not automatically replace libgphoto2-port0 with
  libgphoto2-port10, which is required because:

  Package: libgphoto2-port0
  Replaces: libgphoto2port
  Provides: libgphoto2port
  Conflicts: libgphoto2port

  Package: libgphoto2-port10
  Replaces: libgphoto2port
  Provides: libgphoto2port
  Conflicts: libgphoto2port

  So this is a clear conflicts with the package, which update-manager
  should handle.

  It happens that the conflicts here is also wrong and buggy and should
  be removed, but u-m should still be able to transparently handle
  Conflicts with a virtual package without throwing the user to the
  "partial upgrade" dialog.

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