Re: [bug?] git-format-patch produces a 0-byte long patch for the first commit

From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Mar 24, 2009, 11:46 UTC
Message-ID: <alpine.DEB.1.00.0903241244380.7493@intel-tinevez-2-302>
In-Reply-To: <Pine.LNX.4.64.0903240901570.4451@axis700.grange>

Hi,

On Tue, 24 Mar 2009, Guennadi Liakhovetski wrote:

Show 21 quoted lines

> On Tue, 24 Mar 2009, Jeff King wrote:
> 
> > On Mon, Mar 23, 2009 at 11:34:07AM +0100, Guennadi Liakhovetski wrote:
> > 
> > > mkdir x
> > > cd x
> > > git-init
> > > echo hi > greating
> > > git-commit -a
> > > git-format-patch -1
> > > 
> > > produces a 0-byte long patch. git-format-patch HEAD^ produces an 
> > > error, whereas with more than one commit it produces tha last patch. 
> > > Yes, I know about "--root" and that it does allow to extract the 
> > > very first commit.
> > 
> > What version of git are you using? I believe the 0-byte diff has been 
> > fixed since git 1.6.1.1.
> 
> Mine is still 1.5.4, if it's already fixed in the meantime - all the 
> better!

There is the off-chance that somewhere in those 3127 commits between v1.5.4 and v1.6.1.1, not only this bug is fixed. You might be surprised ;-)

Seriously again, in a project that moves as fast as Git, you should always test with a recent version, and v1.5.1 -- being over one year old -- does not account for recent.

Ciao, Dscho