[Bug 1173504] Re: apt-add-repository: Check that PPA supports currently running release before adding it

[Brian Murray]

** Changed in: software-properties (Ubuntu)
   Importance: Undecided => Low

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https://bugs.launchpad.net/bugs/1173504

Title:
  apt-add-repository: Check that PPA supports currently running release
  before adding it

Status in “software-properties” package in Ubuntu:
  Confirmed

Bug description:
  I added WebKit PPA as suggested by text on Midori PPA page using the
  following command:

  ```
  # apt-add-repository ppa:webkit-team
  ```

  After running "aptitude update" I started to see 404 errors below,
  because WebKit PPA doesn't support Raring yet.

  ```
  Err http://ppa.launchpad.net raring/main amd64 Packages
    404  Not Found
  Err http://ppa.launchpad.net raring/main i386 Packages
    404  Not Found
  Ign http://ppa.launchpad.net raring/main Translation-en
  Ign http://ppa.launchpad.net raring/main Translation-fi
  Ign http://ppa.launchpad.net raring/main Translation-en
  Ign http://ppa.launchpad.net raring/main Translation-fi
  97% [Working]W: Failed to fetch http://ppa.launchpad.net/webkit-team/ppa/ubuntu/dists/raring/main/binary-amd64/Packages: 404  Not Found
  W: Failed to fetch http://ppa.launchpad.net/webkit-team/ppa/ubuntu/dists/raring/main/binary-i386/Packages: 404  Not Found
  E: Some index files failed to download. They have been ignored, or old ones used instead.
  E: Couldn't rebuild package cache
  ```

  I think that apt-add-repository should first check that there are
  packages available in PPA for current release and if not, not add the
  repository or ask the user do they still want to add the repository.

  ----------

  1) The release of Ubuntu you are using, via 'lsb_release -rd' or
  System -> About Ubuntu

  Description:    Ubuntu 13.04
  Release:        13.04

  2) The version of the package you are using, via 'apt-cache policy
  pkgname' or by checking in Software Center

  software-properties-common:
    Installed: 0.92.17
    Candidate: 0.92.17
    Version table:
   *** 0.92.17 0
          500 mirror://mirrors.ubuntu.com/mirrors.txt/ raring/main amd64 Packages
          100 /var/lib/dpkg/status

  
  3) What you expected to happen

  I expected the PPA to work or getting warning about it not supporting
  my current release and question whether I still want to add the
  repository. I wouldn't mind even if it told me that it won't add that
  repository.

  4) What happened instead

  The PPA was added without any warnings and errors and after running
  "apt-get update" or "aptitude update" I started noticing 404 errors.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: software-properties-common 0.92.17
  ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8
  Uname: Linux 3.8.0-19-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: amd64
  Date: Sat Apr 27 10:43:34 2013
  InstallationDate: Installed on 2013-04-24 (2 days ago)
  InstallationMedia: Lubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.1)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: software-properties
  UpgradeStatus: Upgraded to raring on 2013-04-26 (1 days ago)

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