From: Junio C Hamano <gitster@pobox.com>
Date: Wed, 29 Jun 2016 22:11:39 GMT
Subject: Re: topological index field for commit objects
Message-ID: <xmqqlh1n1w84.fsf@gitster.mtv.corp.google.com>
In-Reply-To: <20160629220049.GA4416@sigill.intra.peff.net>

Jeff King <peff@peff.net> writes:

> Yes, though generation numbers can help with more questions (e.g., "what
> is the merge base").

Hmm, how?  I have two commits, with generation number 38 and 47,
respectively.  What generation number does the commit that is the
merge base of these two commits?

I know we can say that 38 cannot possibly be a descendant of 47, but
can we say anything else that is useful?