Bazaar crash due to corrupt sha-1

[Ian Clatworthy]

Guido Ostkamp wrote:

> Huh? I cloned a git repo, went inside the working tree directory, called
> the 'bzr init-repo .' and called the 'git-fastexport | bzr fastimport -'
> sequence.

In our current trunk, "bzr init-repo ." still creates an old format
repo. We're about to change the default format but haven't yet.

Try

  bzr init-repo --2a .

Ian C.