Basically it was a folder with large amount of test data (email messages used for unit testing our Mail.dll email component), and I decided to rename every single file inside. Doing it with ‘SVN rename…’ for 3000 items was out of question.

The solution was quite simple:

First dump the whole repository:
svnadmin dump "D:\My projects\SVN Data" > dumpfile.txt

Second filter the folder I wanted to remove:
svndumpfilter exclude Mail\eml < dumpfile.txt > filtered-dumpfile.txt

Then delete and create a new repository:
Delete repository
svnadmin create "D:\My projects\SVN Data"


Finally load the filtered dump into SVN repository:
svnadmin load "D:\My projects\SVN Data" < filtered-dumpfile.txt

You can also use this procedure for upgrading SVN repository version.

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