From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pb-smtp2.pobox.com (pb-smtp2.pobox.com [64.147.108.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E41BA1D9D72 for ; Tue, 3 Sep 2024 20:44:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=64.147.108.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725396289; cv=none; b=D0f/DD4DPnseRqeEi4kUNnnb670367hpLxlwp4uTJ6GJBz9lRgSjfaqeDGWhZi9EH7sHVXA6zli4LZ210eqiodCUdLDebMS5F3t65orHOMGUWQ7EQfXCblBFzF5xcWrxsumxBkGYzo8l2TDQqvaJJMx0u6NFqDRP/B+6ZU8A0OE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725396289; c=relaxed/simple; bh=lL6l8/CfwcndszWHXAJokr3UFHm6TwFyPoNP4DdfWXc=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=lbnEzGRN0n7y1kV9pa13uOppnqDJZT7N74SUudWPpXBkKHPMPnSWZAcstorMkGzuTSVKGCAB84QpArhVnzDeWPTS7u712P3pTB+fHa/gLlCVEKUh/G1+mVfNC8jxlG2r2Cjo4LiwLqkNXkWcffx8XzMayNf0lHFP37VlLni2Eis= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=pobox.com; spf=pass smtp.mailfrom=pobox.com; dkim=pass (1024-bit key) header.d=pobox.com header.i=@pobox.com header.b=q67eWjzO; arc=none smtp.client-ip=64.147.108.71 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=pobox.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pobox.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=pobox.com header.i=@pobox.com header.b="q67eWjzO" Received: from pb-smtp2.pobox.com (unknown [127.0.0.1]) by pb-smtp2.pobox.com (Postfix) with ESMTP id 996FB398BC; Tue, 3 Sep 2024 16:44:46 -0400 (EDT) (envelope-from gitster@pobox.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=pobox.com; h=from:to:cc :subject:in-reply-to:references:date:message-id:mime-version :content-type; s=sasl; bh=lL6l8/CfwcndszWHXAJokr3UFHm6TwFyPoNP4D dfWXc=; b=q67eWjzONfOlG+voaMetfO0CkgiLAmF2YQCjswEYRKGxyBikeUIBAe nds233KfLKdvf8ewvj9m4Epny8XnFMwl8+Gc0yhtFFquOdlSJZKlR+900emfhF4M owutj68YpJqCUycXuImQ6Jgxlh5Z+pRWJ4BvZX5NSFeBv8voNKXyE= Received: from pb-smtp2.nyi.icgroup.com (unknown [127.0.0.1]) by pb-smtp2.pobox.com (Postfix) with ESMTP id 8F987398BB; Tue, 3 Sep 2024 16:44:46 -0400 (EDT) (envelope-from gitster@pobox.com) Received: from pobox.com (unknown [34.125.94.240]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by pb-smtp2.pobox.com (Postfix) with ESMTPSA id 08F31398BA; Tue, 3 Sep 2024 16:44:45 -0400 (EDT) (envelope-from gitster@pobox.com) From: Junio C Hamano To: Taylor Blau Cc: git@vger.kernel.org, Jeff King , "brian m. carlson" , Elijah Newren , Patrick Steinhardt Subject: Re: [PATCH 0/4] hash.h: support choosing a separate SHA-1 for non-cryptographic uses In-Reply-To: (Taylor Blau's message of "Tue, 3 Sep 2024 15:48:31 -0400") References: Date: Tue, 03 Sep 2024 13:44:44 -0700 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: git@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain X-Pobox-Relay-ID: 5AC6F850-6A35-11EF-8CF6-9B0F950A682E-77302942!pb-smtp2.pobox.com Taylor Blau writes: > Yeah. I would actually like to get here in the long-term, but of course > that change is much larger than this one (the protocol would have to be > adjusted to learn a new "tailsum" capability for callers to negotiate > which checksumming hash function they want to use, etc.). I dunno. I was talking about strictly local tail sum, like the ones in the index file. You do not have anybody to negotiate about anything. We already agreed that the name of a packfile is a different matter.