aptitude removes packages conflicting with requested package even if it was not downloaded

Bug #734737 reported by Sune Keller on 2011-03-14
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Fix Released
aptitude (Ubuntu)

Bug Description

Binary package hint: aptitude

I had been testing connman and indicator-network but found that they did not yet support WPA-Enterprise. Therefore I thought I could install network-manager and network-manager-gnome. Forgetting that I was not online, I ran "sudo aptitude install network-manager-gnome", was asked if I wanted to solve the conflict by removing the conflicting packages (connman and indicator-network), answered yes and ended up with neither of the packages installed. This happened because aptitude proceeded with removing connman and indicator-network even though the packages to replace it were not fetched.

1) $ lsb_release -rd
Description: Ubuntu Natty (development branch)
Release: 11.04

2) $ apt-cache policy aptitude
  Installed: 0.6.3-3.2ubuntu1
  Candidate: 0.6.3-3.2ubuntu1
  Version table:
 *** 0.6.3-3.2ubuntu1 0
        500 http://archive.ubuntu.com/ubuntu/ natty/main amd64 Packages
        100 /var/lib/dpkg/status

3) I expected the packages to be either downloaded or the whole transaction to be rolled back.

4) The transaction continued, and the conflicting packages (in this case connman and indicator-network) were removed, although the packages which were to replace them (network-manager and network-manager-gnome) had not been downloaded. That way I was left without an internet connection (except that the cache still contained connman and indicator-network so I could install them again and fix the problem in another way).

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: aptitude 0.6.3-3.2ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-6.34-generic 2.6.38-rc7
Uname: Linux 2.6.38-6-generic x86_64
Architecture: amd64
Date: Mon Mar 14 10:32:36 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110308)
SourcePackage: aptitude
UpgradeStatus: No upgrade log present (probably fresh install)

Sune Keller (sune-keller) wrote :
Daniel Hartwig (wigs) wrote :

commit 2f544c3c351591f0f30e9f3bdf2cc905f54b906a
Author: Daniel Hartwig <email address hidden>
Date: Wed Jun 20 17:22:11 2012 +0800

Changed in aptitude (Ubuntu):
status: New → Fix Committed
Changed in aptitude:
status: Unknown → New
Changed in aptitude:
status: New → Fix Committed
Changed in aptitude:
status: Fix Committed → Fix Released
Changed in aptitude:
status: Fix Released → New
Changed in aptitude:
status: New → Confirmed
Changed in aptitude:
status: Confirmed → Fix Committed
Changed in aptitude:
status: Fix Committed → Fix Released
Paul White (paulw2u) wrote :

Upstream bug closed as fixed on 2016-02-21
Fixed in release 0.7.6-1
Ubuntu changelog checked for #639789
Closing by marking "Fix Released"

Changed in aptitude (Ubuntu):
status: Fix Committed → Fix Released
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