Fire up Terminal, and enter the following two commands:
cd ~/Library/Application\ Support/TextMate/Bundles
If you're using Codaset, run: git clone git://codaset.com/scrogson/tm_bundle.git CakePHP.tmbundle
If you're using GitHub, run: git clone git://github.com/scrogson/tm_bundle.git CakePHP.tmbundle
Finally, to activate the bundle in TextMate:
In TextMate: Bundles > Bundle Editor > Reload Bundles
What the bundle does
This bundle provides a number of snippets for common CakePHP classes. It also provides shortcuts to searching book.cakephp.org, api.cakephp.org and pasting into bin.cakephp.org.