From: Jeff King <peff@peff.net>
Date: Sat, 06 Sep 2008 01:29:41 GMT
Subject: Re: Is "show-ref -h" a good test for an empty repository?
Message-ID: <20080906012941.GA2009@coredump.intra.peff.net>
In-Reply-To: <48C1D2AE.3010001@feds.uwaterloo.ca>

On Fri, Sep 05, 2008 at 08:45:34PM -0400, Eric Gerlach wrote:

> I'm trying to test to see if "git diff --cached" will fail because there  
> are no existing commits.  I've come up with running "git show-ref -h -q"  
> and testing its return value.  My hypothesis is: If and only if  
> git-show-ref succeeds then git-diff will succeed.
>
> Are my logic and assumptions sound?  I'm a bit out of my git comfort zone 
> here, so I'd like to get some validation from some people who know  
> better.

Maybe "git rev-parse --verify HEAD"?

-Peff