Julian Foad created SVN-4883:
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Summary: multi-wc-format
Key: SVN-4883
URL: https://issues.apache.org/jira/browse/SVN-4883
Project: Subversion
Issue Type: Improvement
Affects Versions: 1.14.0
Reporter: Julian Foad
Allow a new version of the Subversion client to work on a WC that uses an older
format, without upgrading that WC to the newest format the client knows.
Concrete example (currently hypothetical):
* if a v1.15 client were to support this feature, it could be made compatible
with both the WC format used from Subversion 1.8 to 1.14 ("WC format 31") and a
new format that would be introduced at the same time in 1.15 ("WC format 32").
This will allow the user to:
* use the new client and an old client against the same (old-format) WC
* use the new client's new features with a (new-format) WC
An implementation of this was recently merged into trunk. It was was developed
on a branch named 'multi-wc-format'.
UI exposure of this feature includes:
* 'svn checkout' and 'svn upgrade' default to the oldest compatible WC format.
* 'svn checkout' and 'svn upgrade' accept an option such as
'--compatible-version=1.15' to request a newer format.
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