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[dino99 <87114@xxxxxxxxxxxxxxxxxx>]

Support for this version has ended

** Changed in: apt (Ubuntu)
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/87114

Title:
  APT shows same-version packages as upgradable when the packages are
  the same version but are different (e.g. one from debian, one from
  ubuntu)

Status in apt package in Ubuntu:
  Invalid

Bug description:
  Binary package hint: apt

  If two sources provide the same version of a package, that package is
  forever upgradable in APT/aptitude. This happens even if one of the
  sources has negative priority:

  shot@devielle:~$ cat /etc/apt/preferences 
  Package: *
  Pin: release a=feisty-backports
  Pin-Priority: -1

  Package: *
  Pin: release o=Debian
  Pin-Priority: -1
  shot@devielle:~$ apt-cache policy pkg-config
  pkg-config:
    Installed: 0.21-1
    Candidate: 0.21-1
    Version table:
       0.21-1 0
           -1 http://ftp.debian.org unstable/main Packages
       0.21-1 0
          500 http://archive.ubuntu.com feisty/main Packages
   *** 0.21-1 0
          100 /var/lib/dpkg/status

  The package pkg-config is forever upgradable (and aptitude installs
  the Ubuntu and Debian versions alternatively) unless I remove the
  Debian repositories from my config.

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