Subject: Re: [PATCH/RFC 6/7] refs: add update_refs for multiple simultaneous updates

From: Brad King <[email-masked]>
Date: Thu, 29 Aug 2013 15:30:28 -0400

On 08/29/2013 02:20 PM, Brad King wrote:
> I wasn't happy with the asymmetry either but forgot to raise it in
> the cover letter.  We need a way to represent "old value not given"
> as different from "old value is_null_sha1".
[snip]
> Another approach is to add a dedicated member to struct ref_update.

FYI, I chose the latter approach for simplicity.  The member
can be folded into the flags by future refactoring if needed.

-Brad