09adb1e4ccdb0b25f942b6bd31137fcc1ea63f8f
If the commit was previously parsed for headers only by RevWalk its body can be missing, and the author is not available. Ensure subject line and author is available when ChangeAndCommit builds the object. Change-Id: If3179b9264ebbe86bcc1280a559d2e21f9803518
Description
RETIRED, Gerrit as used by OpenStack