Known Bug? Opening Repository doesn't set format

[John Arbash Meinel]

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I just ran into a bug while writing some code to try to upgrade multiple
repositories.

Specifically, when I do:

 repo = Repository.open('repo')

and then I check:

 repo.bzrdir._format._repository_format

It doesn't actually match the existing format.

Or put in the sense of a test case:

repo = self.make_repository('repo', format='rich-root-pack')
opened_repo = Repository.open('repo')

self.assertEqual(repo.bzrdir._format._repository_format,
		 opened_repo.bzrdir._format._repository_format)

This is a problem because as part of the upgrade code, I would like to do:

repo.bzrdir.check_conversion_target(target_format)

which ends up calling
self._format._repository_format.check_conversion_target(target_format._repository_format)

However, when you open up a "rich-root-pack" repository, the bzrdir
thinks it has a "pack-0.92" repository.

Has anyone else run into this?

John
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