ImportedFromGoogleCode

ImportedFromGoogleCode.wiki

svnadmin create xcode-plugin_svn
echo 'exit 0' > xcode-plugin_svn/hooks/pre-revprop-change
chmod 755 xcode-plugin_svn/hooks/pre-revprop-change
svnsync init --non-interactive --trust-server-cert file://$PWD/xcode-plugin_svn https://xcode-plugin.googlecode.com/svn/
svnsync sync --non-interactive --trust-server-cert file://$PWD

and now you have a backup of any source code plus the wiki, which is how this got to where it is (no thanks to code.google.com's alleged "export to Github" which claimed it would export the wiki)