[Bug 854841] Re: add-apt-repository will write duplicate entries to /etc/apt/sources.list

[Launchpad Bug Tracker]

This bug was fixed in the package software-properties - 0.82.3

---------------
software-properties (0.82.3) precise; urgency=low

  [ Brian Murray ]
  * when adding new repositories use sourceslist.add instead of append thereby
    preventing duplicate entires.  Thanks to Nick Russo for the patch.
    LP: #854841

  [ Robert Roth ]
  * Updated expand properties to properly expand the bottom component to avoid
    putting empty space between components. LP: #912557
  * Added symbolic link for add-apt-repository manpage under the
    apt-add-repository name, LP: #620098
  * Changed Revert button mnemonic to avoid collision with Remove, LP: #652523
  * Handle URLError from ppa pages, instruct the user to check the internet
    connection (LP: #502698)

  [ Marc Deslauriers ]
  * SECURITY UPDATE: incorrect ssl certificate validation (LP: #915210)
    - softwareproperties/ppa.py: use pycurl to download the signing key
      fingerprint.
    - tests/test_lp.py: add test.
    - debian/control: add python-pycurl dependency.
    - CVE-2011-4407
  * Wait for PPA GPG key to get imported before ending thread (LP: #888417)
 -- Marc Deslauriers <marc.deslauriers at ubuntu.com>   Fri, 03 Feb 2012 08:16:22 -0500

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

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2011-4407

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https://bugs.launchpad.net/bugs/854841

Title:
  add-apt-repository will write duplicate entries to
  /etc/apt/sources.list

Status in “software-properties” package in Ubuntu:
  Fix Released

Bug description:
  Hello,
  Add-apt-repository command allows one to add duplicate entries to sources list. Would it be possible to improve this utility it so it adds only unique entries?

  Eg. This command, when run twice, adds duplicate entries.
  $ sudo add-apt-repository "deb http://archive.canonical.com/ubuntu oneiric partner

  $ grep -Ri partner /etc/apt/sources.list

  ProblemType: BugDistroRelease: Ubuntu 11.10
  Package: python-software-properties 0.81.9
  ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
  Uname: Linux 3.0.0-11-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 1.23-0ubuntu1
  Architecture: amd64
  Date: Tue Sep 20 18:38:17 2011
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110919)
  PackageArchitecture: all
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bashSourcePackage: software-properties
  UpgradeStatus: No upgrade log present (probably fresh install)

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