Continuous Integration environment with svn on linux

On my previous post I wrote a way I used to create a CI environment that'd export the entire application to a web location after each commit. I was working then for windows. Now, I have created a setup for Linux - with addition this time the post-commit will only update those files that are actually committed. Following is the post-commit script I got on Stackoverflow:

Reference:

• http://stackoverflow.com/questions/446518/using-svn-post-commit-hook-to-update-only-files-that-have-been-commited
• You can check another neat tool that does similar automation using php : svn2web