Re: [PATCH v4 2/5] t5000: test tar files that overflow ustar headers

From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Jul 14, 2016, 15:47 UTC
Message-ID: <alpine.DEB.2.20.1607141745420.6426@virtualbox>
In-Reply-To: <20160630090857.GB17463@sigill.intra.peff.net>

Hi Peff,

sorry for the very, very late reply.

On Thu, 30 Jun 2016, Jeff King wrote:

Show 8 quoted lines

> The ustar format only has room for 11 (or 12, depending on
> some implementations) octal digits for the size and mtime of
> each file. For values larger than this, we have to add pax
> extended headers to specify the real data, and git does not
> yet know how to do so.
>
> [...]
>  t/t5000/19f9c8273ec45a8938e6999cb59b3ff66739902a | Bin 0 -> 2048 bytes

It appears that this blob cannot be read when sizeof(unsigned long) == 4. This happens to break the t5000 test on Windows, where that comparison holds true.

I am sure that I missed some other discussion about this issue... could you point me to it?

Ciao, Dscho