Re: [RFC] Add an option for git-archive to output commit ID in alternative ways

roylee17 [off-list ref] writes:

Consider the following use case:
  Regularly building projects which are untar'ed on-the-fly with git-archive
without intermediate tar balls.

How can I track back which commit IDs were those source code git-archive
from?

Run "man gitattributes" and look for export-subst?