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Subject: Re: [RFC/PATCH 1/1] format-patch: add an option to record base tree
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To: "Eric W. Biederman" <ebiederm@xmission.com>
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Cc: Junio C Hamano <gitster@pobox.com>, Fengguang Wu <fengguang.wu@intel.com>,
        Xiaolong Ye <xiaolong.ye@intel.com>, git@vger.kernel.org,
        ying.huang@intel.com, philip.li@intel.com, julie.du@intel.com,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Christoph Hellwig <hch@lst.de>,
        Dan Carpenter <dan.carpenter@oracle.com>,
        LKML <linux-kernel@vger.kernel.org>
From: "H. Peter Anvin" <hpa@zytor.com>
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Date: Tue, 23 Feb 2016 17:40:45 -0800
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On 02/23/2016 01:49 PM, Eric W. Biederman wrote:
> 
> So I could really respect a patch header line that said:
> tree abcdef0123456789...0123456789abcdef
> 
> Where the numbers where the truncated tree hash before and after a patch
> was applied.  That would seem to give a little bit of extra sanity
> checking in the application of git diffs as well.
> 

I would rather have the untruncated base tree ID.  The truncated file
IDs already provide the verification component, and it is *way* cheaper
to search for an untruncated ID.

	-hpa