The CVS is available at SourceForge:

http://sourceforge.net/cvs/?group_id=12895
http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/eroaster/eroaster/

Note: the source contains some hard-coded paths to
      /home/preisl/Software/ERoaster, so if you want to use it or work on it,
      please use this path.