From mboxrd@z Thu Jan  1 00:00:00 1970
From: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Subject: Re: finding deleted file names
Date: Thu, 3 Jul 2008 12:57:22 +0100 (BST)
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Cc: git@vger.kernel.org
To: Geoff Russell <geoffrey.russell@gmail.com>
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Hi,

On Thu, 3 Jul 2008, Geoff Russell wrote:

> git diff --diff-filter=D --name-only HEAD@{'7 days ago'}
> 
> finds files deleted during the last 7 days, but if my repository is
> only 6 days old I get a
> fatal error.
> 
> fatal: bad object HEAD@{7 days ago}

Sorry, but you haven't grasped the concept of reflogs.  The "@{...}" is 
purely for the _local_ state.

So clearly, if you did not have the repo 7 days ago, "HEAD@{7.days.ago}" 
does not exist.

In a distributed SCM, asking about a branch's state "7 days ago" is 
ill-defined at best.

Hth,
Dscho