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From Ryan Schmidt <subversion-20...@ryandesign.com>
Subject Re: can "svnadmin dump" tolerate read-only repository access?
Date Mon, 28 Feb 2011 19:33:51 GMT

On Feb 28, 2011, at 12:37, James Ralston wrote:

> Recently, Red Hat Enterprise Linux 5 updated its Subversion package
> from 1.5.x to 1.6.11.
> 
> This exposed a *forwards* compatibility problem: the Subversion 1.6
> hotcopy command fails on Subversion 1.5 repositories:
> 
> $ svnadmin hotcopy test-repo test-repo.HOTCOPY; echo $?
> svnadmin: Can't open file 'test-repo/db/fsfs.conf': No such file or directory
> 1
> 
> We tested if creating an empty db/fsfs.conf file will resolve this
> issue, and it does.  And this issue seems to have been fixed in 1.6.13.
> 
> But given that this very simple compatibility issue wasn't caught
> until two bugfix releases later, we're concerned that there may be
> other forwards compatibility issues that will bite us in the future.

The Subversion team's promise is that any Subversion 1.x client will be compatible with any
Subversion 1.x server, and I would assume with any Subversion 1.x repository. If bugs are
introduced that break that promise, I'm confident that those bugs would be fixed.




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