tree 5e543f57d62b99b677eada896c03e63e5143083b
parent 66bdd468717a6f52056924837b766cf60889f2ed
author Shawn O. Pearce <sop@google.com> 1240019013 -0700
committer Shawn O. Pearce <sop@google.com> 1240027184 -0700

Implement 'git symbolic-ref HEAD' in Python

This is invoked once per project in `repo sync`.  Taking it out
saves about 1/114 of a second, so on a large set of projects like
Android it can save up to a full second of sync time.

Signed-off-by: Shawn O. Pearce <sop@google.com>