{BUG in streaming}

[John Arbash Meinel]

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Using the latest bzr.dev locally and on my server, I'm getting an error
while trying to push a rich-root branch to an empty repository:

$ bzr push $BZRB/../../plugins/svn/add_lines_cache
Connected (version 1.99, client OpenSSH_4.2)
Authentication (publickey) successful!
Secsh channel 1 opened.
bzr: ERROR: Revision {set([('null:',)])} not present in
"KnitVersionedFiles(_KnitGraphIndex(Combined
GraphIndex(GraphIndex('file:///C:/Users/jameinel/dev/bzr/plugins/DEACTIVATED/svn/.bzr/repository/ind
ices/c359a1a41c08eb98e616da765f13d85e.iix'),
GraphIndex('file:///C:/Users/jameinel/dev/bzr/plugins/D...

Trimmed to make it more readable, but basically there is a search which
ends up looking for the NULL_KEY == (NULL_REVISION,), and then dies.

This is pretty serious, as "bzr push" is broken under these situations.
Note that it works fine over sftp://. Which is a bit strange, given that
the error is about not finding the key in the *local* repository.

John
=:->
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