From mboxrd@z Thu Jan  1 00:00:00 1970
From: Junio C Hamano <junkio@cox.net>
Subject: Re: [PATCH] Additional merge-base tests
Date: Tue, 04 Jul 2006 17:24:33 -0700
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To: gitzilla@gmail.com,
	Johannes Schindelin <Johannes.Schindelin@gmx.de>
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A Large Angry SCM <gitzilla@gmail.com> writes:

>
> It works[*] and it does what using the timestamp was trying to
> do. Namely, work from "more recent" (or "closer") commits toward
> "older" (or "farther") commits until you've gone past the point you
> care about.

If you really really care, now we have clear_commit_marks() with
get_merge_bases() infrastructure in, you _could_ run another
round of get_merge_bases() on the commit on the result list to
see which ones are reachable from others by performing an
equivalent of fast-forward/already-up-to-date check.