I think I will be able to provide an answer about this liability in the future, based on automated git keyword expansion.
Specifically, I think of hacking a solution for git-derived author's list, based on this one: 
https://github.com/turon/git-rcs-keywords/blob/master/.git_filters/rcs-keywords.smudge
ps. I still find it preferable for the HPCBIOS relevant ones, for now, to keep the authors in both places manually.