From: Eric Gerlach <egerlach@feds.uwaterloo.ca>
Date: Sun, 07 Sep 2008 14:21:16 GMT
Subject: Re: Is "show-ref -h" a good test for an empty repository?
Message-ID: <48C3E35C.2050903@feds.uwaterloo.ca>
In-Reply-To: <20080906012941.GA2009@coredump.intra.peff.net>

Jeff King wrote:
> 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"?

That seems like it would work too... any reason one would be better than 
the other?

Cheers,

Eric Gerlach