See: [http://sourceforge.net/p/tikiwiki/code/HEAD/tree/version-control-bridge/]
((Code Review))
Related:
[http://profiles.tiki.org/Software_Project#Connecting_with_Subversion|http://profiles.tiki.org/Software_Project#Connecting_with_Subversion]
[http://arbitracker.org/vcs_wrapper.html]
[http://sourceforge.net/p/tikiwiki/code/38587]