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Re: "git shortlog -sn --follow -- <path>" counts all commits to entire repo

On Sat, Sep 09, 2017 at 02:37:20AM +0900, Junio C Hamano wrote:

> > That said, I don't think we can go wrong by making shortlog's traversal
> > more like log's. Any changes we make to --follow will be aimed at and
> > tested with git-log, so the more code they share the more likely it is
> > that shortlog won't bitrot.
> Both true.  
> Using log-tree traversal machinery instead of just get_revision()
> would probably mean we would slow it down quite a bit unless we are
> careful, but at the same time, things like "git shortlog -G<string>"
> would suddenly start working, so this is not just helping the
> "--follow" hack.

I didn't notice that, but I'm not surprised that there are more options
that shortlog doesn't quite work with.

I don't plan on working on this myself any time soon, so maybe it's a
good #leftoverbits candidate (though it's perhaps a little more involved
than some).