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Thu, 25 Sep 2025 01:42:25 -0400 (EDT) Received: by mail (OpenSMTPD) with ESMTPSA id 7781637b (TLSv1.3:TLS_CHACHA20_POLY1305_SHA256:256:NO); Thu, 25 Sep 2025 05:42:24 +0000 (UTC) Date: Thu, 25 Sep 2025 07:42:21 +0200 From: Patrick Steinhardt To: Jeff King Cc: phillip.wood@dunelm.org.uk, Johannes Schindelin , Ezekiel Newren via GitGitGadget , git@vger.kernel.org, Elijah Newren , Ezekiel Newren , "brian m. carlson" Subject: Re: gitoxide-compatible licensing of Git's Rust code, was Re: [PATCH 6/7] xdiff: conditionally use Rust's implementation of xxhash Message-ID: References: <5a959c9bdad79cf972b95dcf4324135dd7c94dac.1752784344.git.gitgitgadget@gmail.com> <5596e569-6632-c2b1-37af-a978de5408cd@gmx.de> <9818dc92-3569-3e6f-0252-245c2bf0bf84@gmx.de> <20250923174825.GB1136654@coredump.intra.peff.net> <20250925022555.GA3202669@coredump.intra.peff.net> Precedence: bulk X-Mailing-List: git@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250925022555.GA3202669@coredump.intra.peff.net> On Wed, Sep 24, 2025 at 10:25:55PM -0400, Jeff King wrote: > On Wed, Sep 24, 2025 at 02:48:26PM +0100, Phillip Wood wrote: > > > Thanks for putting this so clearly, I agree with everything that you've > > written here. Another thing I'm concerned/confused about is how the > > exception for a single project works in practice. Does it mean that a third > > party that wants to re-use some code from GitOxide has to check if the code > > originally came from Git to determine which license it is under? Or does it > > mean that anyone who wants to use Git's code without the copyleft > > restrictions can do so if they launder it through GitOxide first? Neither of > > those seems like a great outcome. > > If I understand the suggestion correctly, it's not to license it > specifically to GitOxide. It's to use a permissive license (like GPL > with linking exception) that would make it compatible with other > projects with similar licenses (like GitOxide). Yeah, we certainly shouldn't single out a specific project from my point of view. But going with something like LGPL or GPL with linking exception would be quite a sensible choice from my point of view. I cannot really say much about the concerns. Should we maybe ask the SFC for some guidance here? Patrick