On my server I have subversion installed, but I accidently removed the .svn folder from the root so the folder is no more under version control.

When i try to make a new checkout, I get an error 

svn: 'repo' is already a working copy for a different URL

Thats probably because .svn is still available in sub-folders.

How can I get back the .svn folder so that I have subversion available?

svn repository undelete
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