Jeff King wrote:
> 1. GIT_COMMITTER_* is set explicitly, but we fallback for
> GIT_AUTHOR. We claim the ident is explicit, even though
> the author is not.
> 2. GIT_AUTHOR_* is set and we ask for author ident, but
> not committer ident. We will claim the ident is
> implicit, even though it is explicit.
> This patch uses two variables instead of one, updates both
> when we set the "fallback" values, and updates them
> individually when we read from the environment.
Nice problem description. The fixed behavior makes sense to me, for
what it's worth.
Not about this patch, but: in case (1), shouldn't the author fall
back to $GIT_COMMITER_NAME?
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