I tried using the "ppa:mythbuntu/0.24" and the bug still occurred.
However, I think enough information has been collected and is ready to be worked on by an Ubuntu developer. Thus, I'm asking for this bug to be marked as Triaged and let them handle it from here. Thanks for taking the time to make Ubuntu better! [Note to developers: as Thomas suggested in comment #2, bug #889406 is probably closely related to this. I'm asking that to be marked Triaged as well]. ** Changed in: software-properties (Ubuntu) Status: Incomplete => Confirmed ** Description changed: Removing and readding a PPA can cause invalid repository lines. This doesn't seem to be the case with all repositories, but I've reproduced it consistently with the below steps. Steps to reproduce. 1) apt-add-repository ppa:mythbuntu/0.25 2) apt-add-repository --remove ppa:mythbuntu/0.25 3) apt-add-repository ppa:mythbuntu/0.25 Expected result: repository .list file contains deb http://ppa.launchpad.net/mythbuntu/0.25/ubuntu oneiric main deb-src http://ppa.launchpad.net/mythbuntu/0.25/ubuntu oneiric main Actual result: repository .list file contains deb-src http://ppa.launchpad.net/mythbuntu/0.25/ubuntu oneiric main src http://ppa.launchpad.net/mythbuntu/0.25/ubuntu oneiric main This causes apt to fail with an invalid line error. ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: apt 0.8.16~exp5ubuntu13 ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4 Uname: Linux 3.0.0-12-generic i686 NonfreeKernelModules: wl ApportVersion: 1.23-0ubuntu4 Architecture: i386 CheckboxSubmission: c3d828e0d2c138c690c7f5d2faaf0b57 CheckboxSystem: b845c366ea09c60efa3a45c1b5b21525 Date: Fri Nov 11 23:37:35 2011 EcryptfsInUse: Yes InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012) ProcEnviron: - PATH=(custom, no user) - LANG=en_US.UTF-8 - SHELL=/bin/bash + PATH=(custom, no user) + LANG=en_US.UTF-8 + SHELL=/bin/bash SourcePackage: apt UpgradeStatus: No upgrade log present (probably fresh install) + + Confirmed in Ubuntu 11.10 with python-software-properties 0.81.13.1. ** Tags added: testcase -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/889405 Title: Readding repo using apt-add-repository can cause invalid repo line To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/889405/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs