[Bug 625628] Re: Removing a repository does not propose to downgrade/remove its packages

[Matthew Paul Thomas]

** Package changed: software-center (Ubuntu) => software-properties
(Ubuntu)

** Changed in: software-properties (Ubuntu)
       Status: Confirmed => In Progress

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https://bugs.launchpad.net/bugs/625628

Title:
  Removing a repository does not propose to downgrade/remove its
  packages

Status in “software-properties” package in Ubuntu:
  In Progress

Bug description:
  Binary package hint: software-center

  On Ubuntu 10.04 :

  Currently, when removing  a repository :
  - packages remain upgraded
  - repository's new packages remain installed

  which can lead to misunderstanding, as many people think removing  a
  repository will restore software versions to previous state.

  I think that when removing  a repository, SoftwareCenter should propose 2 choices :
  (1) don't change packages (current behavior)
  (2) do as if the repository had never existed, which means :
  - downgrade upgraded packages to the highest remaining available version
  - remove packages that could only be found in the repository we removed
  If downgrading or removing a package breaks a dependancy in another package (this should not occur often with PPAs), ask the user what to do.

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