1. d79de1d Add GPL-2.0+ SPDX-License-Identifier to source files by Wolfgang Denk · Mon Jul 08 09:37:19 2013 +0200
  2. dd7750a tools/env: Add environment variable flags support by Joe Hershberger · Tue Dec 11 22:16:32 2012 -0600
  3. 60fd3ad env: Add support for callbacks to environment vars by Joe Hershberger · Tue Dec 11 22:16:24 2012 -0600