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Fri, 2 Oct 2026 11:52:49 -0400 (EDT) From: Junio C Hamano To: Scott Chacon Cc: git@vger.kernel.org Subject: Re: [RFC PATCH 0/4] sign a SHA-256 digest of the tree in commits and tags In-Reply-To: <20261002081846.25144-1-scott@gitbutler.net> (Scott Chacon's message of "Fri, 2 Oct 2026 10:18:42 +0200") References: <20261002081846.25144-1-scott@gitbutler.net> Date: Fri, 02 Oct 2026 08:52:48 -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 Scott Chacon writes: > I'm concerned about the ecosystem impact of moving the `git init` default > hashing function to SHA-256 in 3.0. I have suggested that it may be more > feasible with similar benefits to add the ability to inject an independently > calculated and verifiable tree content sha into signed objects instead. > > This RFC series is meant to demonstrate how this might work. I have offered a few minor comments on the implementation, but those are conditional on the assumption that if this is a good idea, we would want these improvements. I have not yet formed an opinion on the overall direction. Thanks.