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Complex VSS Migration - dealing with moved/branched version history

From: Bicking, David (HHoldings, IT) <David.Bicking_at_thehartford.com>
Date: 2007-08-15 17:10:14 CEST


I searched for days for information and tried many options, and now am
standing at a brick wall.

I am evaluating Subversion as a replacement for VSS. This company has a
huge repository (about 10G) in which branching and sharing were rampant.
Worse, there was no plan for how projects were defined. Consequently,
in addition to the typical VSS corruptions in the data, most projects
(folders) have references to other projects somewhere deep in the

I want to migrate pieces of this behemoth into SVN, but cannot. I used
vss2svn to get a dumpfile (12G) and tried to use svndumpfilter to grab
relevant pieces. Per the state of the data described in the prior
paragraph, it fails every time. I found no reference to any way to pull
a specific project "tree" and get all its history, which is quite odd.
I would think this would be crucial. Why not permit migration to pull
the original data into place? A note stating "original location is x"
should be sufficient.

Is there a way to do this? If I were to pull the whole thing into Svn,
then "copy" the project as a Tag or Branch, then dump the repository and
pull the new copy into another repository, would that work (with entire
history), or would it also fail because of its checkered past? There
must be a way to get those revisions!

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Received on Wed Aug 15 17:08:21 2007

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