How to find out Subversion repository version?

Question

How can I determine current version of my repository to see if I need to upgrade it (svnadmin upgrade)?

In reality I\'m hosting SVN with 3rd party and I want to find

Answer 1

I would also suggest spoofing response headers because some server installations (VisualSVN Server comes to mind) uses custom pages which unfortunately doesn't show Subversion server version.

You could use Fiddler2 to spoof request/response to the server. If You're using an HTTPS connection be sure to check "Decrypt HTTPS traffic" option in: Tools->Fiddler Options->HTTPS