Comment 2 for bug 303687

IronPython fails with bzr-svn as well, but this has other reasons.

Its current hosting is done at codeplex, which doesn't provide a real Subversion server but rather a bridge to Team Foundation Server. The bridge is sufficiently complete to (usually) fool the svn command line client, but it does not provide a consistent history.

To actually get the history we would have to import IronPython directly from the Team Foundation Server repository, or the SVN bridge on CodePlex would have to be fixed. The bug for TFS support in Launchpad is bug 685560