A recent attempt to update bundles returned 
"sh: git: command not found"
But in terminal, I see
 bash-$ git --version
git version 1.7.3.1
which is something new. What's happening?
I'm running TM Version 1.5.10 (1623)
Model Identifier:	MacBook5,1
  Processor Name:	Intel Core 2 Duo
  Processor Speed:	2.4 GHz
with OS X 10.6.5