whirm@sphynx:/var/pbuilder/src/crystalspace/CS$ svn  switch https://crystal.svn.sourceforge.net/svnroot/crystal/CS/trunk
svn: 'https://crystal.svn.sourceforge.net/svnroot/crystal/CS/trunk'
is not the same repository as
'https://svn.sourceforge.net/svnroot/crystal'