[android-porting] How switch my android source tree to another branch?

[MacknZ]

I am a newbie of android developer.
Because there many git projects in android source tree,how can i
switch all projects from one branch to another(eg. 'master' to
'cupcake'),Thanks
--~--~---------~--~----~------------~-------~--~----~
unsubscribe: android-porting+unsubscr...@googlegroups.com
website: http://groups.google.com/group/android-porting
-~----------~----~----~----~------~----~------~--~---