linux-kernel - Re: [RFC/PATCH 1/1] format-patch: add an option to record base tree info

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Date:	Tue, 23 Feb 2016 17:40:45 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Junio C Hamano <gitster@...ox.com>,
	Fengguang Wu <fengguang.wu@...el.com>,
	Xiaolong Ye <xiaolong.ye@...el.com>, git@...r.kernel.org,
	ying.huang@...el.com, philip.li@...el.com, julie.du@...el.com,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Christoph Hellwig <hch@....de>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC/PATCH 1/1] format-patch: add an option to record base tree
 info

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