From: Junio C Hamano <gitster@pobox.com>
Date: Fri, 04 Sep 2015 18:10:11 GMT
Subject: Re: Compare two diffs on the command line?
Message-ID: <CAPc5daVvXNWdAwiNKnQT45p03msTBEyBUq7y+ggRq0e95=_bAQ@mail.gmail.com>
In-Reply-To: <55E9DC44.90303@ubuntu.com>

On Fri, Sep 4, 2015 at 11:00 AM, Phil Susi <psusi@ubuntu.com> wrote:
> If you have a commit that exists on two branches, in gitk you can mark one,
> then select the other and choose to compare the two.  This results in a diff
> of the two diffs, rather than a diff between the two trees, which include
> many other changes that have nothing to do with either commit.

I think you are looking for the interdiff(1) tool.