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

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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.

** Affects: software-properties (Ubuntu)
     Importance: Low
     Assignee: Matthew Paul Thomas (mpt)
         Status: In Progress


** Tags: wishlist
-- 
Removing a repository does not propose to downgrade/remove its packages
https://bugs.launchpad.net/bugs/625628
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