From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 12 Apr 2011 20:45:16 GMT
Subject: Re: Possible bug with multiple mv's and diff output
Message-ID: <7v4o63p5b7.fsf@alter.siamese.dyndns.org>
In-Reply-To: <BANLkTin2FpQQ1qEZ41VArsRYZre9=U6SKA@mail.gmail.com>

Kent Leonard <kleonard@accurev.com> writes:

> When I do this in repo with files a and b:
>   git mv b c
>   git mv a b
>   git commit -m shuffle
>   git diff --summary master^ master
>
> I get output:
>   delete mode 100644 a
>   create mode 100644 c
> Which does not indicate that the contents of b changed.

Isn't that because --summary is only about tree-structural changes?  If b
was in preimage and b still is in postimage, as far as b is concerned that
path stayed in the tree across the change, and there is nothing to report.

> "git diff --raw" shows more complete information.

Try something more sensible like "--summary --stat" instead of "--summary"
alone, perhaps?