AngKC - 2012-12-27

Hi, Community Members,
I want to install Adempiere using "Build Adempiere from Source" method.
May I know ,
1) How to ensure that source codes extracted from the Repository are for the latest stable version ?
   or just simply checkout the source on Ad Hoc basis will do ?
2) How to build Patches from source also, after a certain period of time ? How to extract the correct
   latest Patches source code ?
Thanks in advance for any reply, assistance.