bug#12001: 24.1.50; vc-diff always talks to CVS repository

[Richard Stallman <rms@gnu.org>]

In fact, the problem is happening with bzr using the Emacs sources.

I don't know why I wrote CVS in the subject -- habit took over, I
suppose.  I have a vague memory of seeing it a few weeks ago with CVS
in editing gnu.org web pages, but this bug report is with bzr.

    Maybe rms has somehow ended up with a lightweight checkout, or a stacked
    branch, or some other non-standard form of bzr repository that does not
    actually keep all the data locally.

    What does `bzr info' report in the local copy?

Repository checkout (format: 2a)
Location:
  repository checkout root: .
        checkout of branch: bzr+ssh://rms@bzr.savannah.gnu.org/emacs/trunk/
         shared repository: /home/rms/emacs-bzr

I set up my repository as recommended in BzrQuickStartForEmacsDevs.  I
chose this because it is the simplest, both to set up and to use in
practice, and also the most similar to CVS.

vc-diff should support it correctly.

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Dr Richard Stallman
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