[PATCH] parser: recognise git commit consisting only of empty new file

[Stephen Finucane]

On Thu, 2019-02-28 at 15:29 +1100, Daniel Axtens wrote:
> Commits with only an empty new file are liable to be missed.
> The parser state machine doesn't recognise the headers "new
> file mode" and "index": teach it about them.
> 
> Add a test to demonstrate.
> 
> It's a little bit academic as you don't usually send patches like
> that but sometimes you do, especially if you're a snowpatch dev :)
> 
> Closes: #256
> Reported-by: Andrew Donnellan <andrew.donnellan at au1.ibm.com>
> Signed-off-by: Daniel Axtens <dja at axtens.net>

Reviewed-by: Stephen Finucane <stephen at that.guru>

...and applied. Thanks!