From: Junio C Hamano <gitster@pobox.com>
Date: Fri, 18 Sep 2020 18:16:54 GMT
Subject: Re: [PATCH 2/4] builtin/rev-parse: learn --null-oid
Message-ID: <xmqqy2l7kl0p.fsf@gitster.c.googlers.com>
In-Reply-To: <20200918141614.GC1602321@nand.local>

Taylor Blau <me@ttaylorr.com> writes:

> In either case, I think '--zero-oid' makes more sense than '--null-oid'
> (and it matches the tests that are already written). The pair
> '--zero-oid' and '--empty-oid=<type>' make sense to me.

I am not sure rev-parse should even know about "empty-oid".  An end
user or a script who wants to learn what name an empty blob has can
and should ask "git hash-object -t blob --stdin </dev/null".

I can buy --zero-oid might be handy, but don't see a pressing need
if it is merely to support our test suite and sample hooks.
Instead, something like

  ZERO_OID=$(git hash-object --stdin </dev/null | tr '[0-9a-f]' '0')

should suffice, no?

Take this as a mild indifference, not as a strong rejection.