1. 6a927c5 hooks/pre-auto-gc: look in sysfs to see if a battery is known. by Brian Harring · Fri May 25 02:21:06 2012 -0700
  2. c9ef744 Install a default pre-auto-gc hook in all repositories by Shawn O. Pearce · Mon Nov 03 10:32:09 2008 -0800