From: Jonathan Nieder <jrnieder@gmail.com>
Date: Tue, 18 Nov 2014 19:41:29 GMT
Subject: Re: Reachability lists in git
Message-ID: <20141118194129.GI6527@google.com>
In-Reply-To: <Pine.LNX.4.44L0.1411181354320.4374-100000@iolanthe.rowland.org>

Hi,

Alan Stern wrote:

> The "git rev-list A ^B" command lists all the commits that are
> reachable from A but not from B.  Is there a comparable command for the
> converse relation, that is, a command to list all the commits that A is
> reachable from but B isn't?
>
> And if there is such a command, can the output be limited to just the
> latest commits?  That is, list commit X if and only if A is reachable
> from X, B isn't reachable from X, and B is reachable from each of X's
> children?

Someone else can answer your direct question, but you've got my
curiosity.  What is the application?

--ancestry-path is my current favorite tool for walking-forward needs.

Curious,
Jonathan