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From: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: "Han-Wen Nienhuys via GitGitGadget" <gitgitgadget@gmail.com>,
	git@vger.kernel.org, "Han-Wen Nienhuys" <hanwen@google.com>,
	"Carlo Marcelo Arenas Belón" <carenas@gmail.com>,
	"Han-Wen Nienhuys" <hanwenn@gmail.com>
Subject: Re: [PATCH v3 00/19] Adds reftable library code from https://github.com/hanwen/reftable.
Date: Sat, 02 Oct 2021 11:20:29 +0200	[thread overview]
Message-ID: <875yufpynd.fsf@evledraar.gmail.com> (raw)
In-Reply-To: <xmqqtui4k1j5.fsf@gitster.g>


On Tue, Sep 28 2021, Junio C Hamano wrote:

> "Han-Wen Nienhuys via GitGitGadget" <gitgitgadget@gmail.com> writes:
>
>> The reftable format is described in Documentation/technical/reftable.txt.
>>
>> This is a fully reentrant implementation of reading and writing the reftable
>> file format, and should be suitable for embedding in libgit2 too. It does
>> not hook the code up to git to function as a ref storage backend yet.
>
> Elsewhere you solicited comments on the "RFC - add LICENSE" step.
>
> As long as the copyright holders of this library are happy with BSD,
> I do not see a problem with your plan in which the project borrows
> this code under the license and then owns it, giving access to
> others under the same license.
>
> If somebody sees problems with it, please raise your hands ;-)

No objection, but as noted in previous discussions about it I think we
should have some clarity about what it means for contributors. I.e. that
when they're contributing to reftable/ it's BSD license, but for the
rest of the codebase it's GPLv2.

I've just submitted a series to address that more generally:
https://lore.kernel.org/git/cover-0.5-00000000000-20211002T091212Z-avarab@gmail.com/

I think with that clarification of what these in-tree subdirectory
"COPYING" files mean the only thing left is for the "RFC" label to be
dropped here.

From what I as not-a-lawyer think I know about how licenses work the
concept that we can have BSD licensed content in-tree that can be
extracted and legally used by anyone outside of it seems rather dubious.

I.e. if I author a cross-tree where "reftable/" uses some updated API,
isn't the result a derived work and now GPLv2 and not "cleanly" BSD
licensed? But that's a separate question, and ultimately a worry for any
out-of-tree users. So I don't really care. I also believe that we've had
that situation before with (I think) libgit2 taking snapshots of our
"xdiff", so maybe it's already deemed to be a complete non-issue.

All I'd like is for contributors to git.git not to be confused, which I
think with my series above won't be the case.

  reply	other threads:[~2021-10-02  9:24 UTC|newest]

Thread overview: 111+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-30 14:57 [PATCH " Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 01/19] hash.h: provide constants for the hash IDs Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 02/19] reftable: RFC: add LICENSE Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 03/19] reftable: add error related functionality Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 04/19] reftable: utility functions Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 05/19] reftable: add blocksource, an abstraction for random access reads Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 06/19] reftable: (de)serialization for the polymorphic record type Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 07/19] Provide zlib's uncompress2 from compat/zlib-compat.c Han-Wen Nienhuys via GitGitGadget
2021-09-02  6:12   ` [PATCH] fixup! " Carlo Marcelo Arenas Belón
2021-08-30 14:57 ` [PATCH 08/19] reftable: reading/writing blocks Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 09/19] reftable: a generic binary tree implementation Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 10/19] reftable: write reftable files Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 11/19] reftable: generic interface to tables Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 12/19] reftable: read reftable files Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 13/19] reftable: reftable file level tests Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 14/19] reftable: add a heap-based priority queue for reftable records Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 15/19] reftable: add merged table view Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 16/19] reftable: implement refname validation Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 17/19] reftable: implement stack, a mutable database of reftable files Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 18/19] reftable: add dump utility Han-Wen Nienhuys via GitGitGadget
2021-08-30 14:57 ` [PATCH 19/19] Add "test-tool dump-reftable" command Han-Wen Nienhuys via GitGitGadget
2021-08-30 15:22 ` [PATCH 00/19] Adds reftable library code from https://github.com/hanwen/reftable Han-Wen Nienhuys
2021-09-08  7:45 ` [PATCH 0/4] fixup for hn/reftable Carlo Marcelo Arenas Belón
2021-09-08  7:45   ` [PATCH 1/4] fixup! reftable: reading/writing blocks Carlo Marcelo Arenas Belón
2021-09-08  7:45   ` [PATCH 2/4] fixup! reftable: utility functions Carlo Marcelo Arenas Belón
2021-09-08  7:45   ` [PATCH 3/4] fixup! Provide zlib's uncompress2 from compat/zlib-compat.c Carlo Marcelo Arenas Belón
2021-09-08  7:45   ` [PATCH 4/4] fixup! reftable: utility functions Carlo Marcelo Arenas Belón
2021-09-08 18:50   ` [PATCH 0/4] fixup for hn/reftable Junio C Hamano
2021-09-09 18:47 ` [PATCH v2 00/19] Adds reftable library code from https://github.com/hanwen/reftable Han-Wen Nienhuys via GitGitGadget
2021-09-09 18:47   ` [PATCH v2 01/19] hash.h: provide constants for the hash IDs Han-Wen Nienhuys via GitGitGadget
2021-09-09 18:47   ` [PATCH v2 02/19] reftable: RFC: add LICENSE Han-Wen Nienhuys via GitGitGadget
2021-09-09 18:47   ` [PATCH v2 03/19] reftable: add error related functionality Han-Wen Nienhuys via GitGitGadget
2021-09-09 18:47   ` [PATCH v2 04/19] reftable: utility functions Han-Wen Nienhuys via GitGitGadget
2021-09-09 18:47   ` [PATCH v2 05/19] reftable: add blocksource, an abstraction for random access reads Han-Wen Nienhuys via GitGitGadget
2021-09-09 18:47   ` [PATCH v2 06/19] reftable: (de)serialization for the polymorphic record type Han-Wen Nienhuys via GitGitGadget
2021-09-09 18:47   ` [PATCH v2 07/19] Provide zlib's uncompress2 from compat/zlib-compat.c Han-Wen Nienhuys via GitGitGadget
2021-09-15  7:34     ` Carlo Arenas
2021-09-09 18:47   ` [PATCH v2 08/19] reftable: reading/writing blocks Han-Wen Nienhuys via GitGitGadget
2021-09-24 11:52     ` Ævar Arnfjörð Bjarmason
2021-09-09 18:47   ` [PATCH v2 09/19] reftable: a generic binary tree implementation Han-Wen Nienhuys via GitGitGadget
2021-09-09 18:47   ` [PATCH v2 10/19] reftable: write reftable files Han-Wen Nienhuys via GitGitGadget
2021-09-09 18:47   ` [PATCH v2 11/19] reftable: generic interface to tables Han-Wen Nienhuys via GitGitGadget
2021-09-09 18:47   ` [PATCH v2 12/19] reftable: read reftable files Han-Wen Nienhuys via GitGitGadget
2021-09-09 18:47   ` [PATCH v2 13/19] reftable: reftable file level tests Han-Wen Nienhuys via GitGitGadget
2021-09-09 18:47   ` [PATCH v2 14/19] reftable: add a heap-based priority queue for reftable records Han-Wen Nienhuys via GitGitGadget
2021-09-09 18:47   ` [PATCH v2 15/19] reftable: add merged table view Han-Wen Nienhuys via GitGitGadget
2021-09-09 18:47   ` [PATCH v2 16/19] reftable: implement refname validation Han-Wen Nienhuys via GitGitGadget
2021-09-09 18:47   ` [PATCH v2 17/19] reftable: implement stack, a mutable database of reftable files Han-Wen Nienhuys via GitGitGadget
2021-09-09 18:47   ` [PATCH v2 18/19] reftable: add dump utility Han-Wen Nienhuys via GitGitGadget
2021-09-09 18:47   ` [PATCH v2 19/19] Add "test-tool dump-reftable" command Han-Wen Nienhuys via GitGitGadget
2021-09-09 20:02   ` [PATCH v2 00/19] Adds reftable library code from https://github.com/hanwen/reftable Junio C Hamano
2021-09-09 20:32   ` Junio C Hamano
2021-09-13 10:14     ` Han-Wen Nienhuys
2021-09-13 18:30       ` Junio C Hamano
2021-09-13 19:29         ` Carlo Arenas
2021-09-13 20:34           ` Junio C Hamano
2021-09-28 15:09   ` [PATCH v3 " Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:09     ` [PATCH v3 01/19] hash.h: provide constants for the hash IDs Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:09     ` [PATCH v3 02/19] reftable: RFC: add LICENSE Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:10     ` [PATCH v3 03/19] reftable: add error related functionality Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:10     ` [PATCH v3 04/19] reftable: utility functions Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:10     ` [PATCH v3 05/19] reftable: add blocksource, an abstraction for random access reads Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:10     ` [PATCH v3 06/19] reftable: (de)serialization for the polymorphic record type Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:10     ` [PATCH v3 07/19] Provide zlib's uncompress2 from compat/zlib-compat.c Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:10     ` [PATCH v3 08/19] reftable: reading/writing blocks Han-Wen Nienhuys via GitGitGadget
2021-09-30 12:23       ` [PATCH] squash! " Carlo Marcelo Arenas Belón
2021-10-07 16:34         ` Han-Wen Nienhuys
2021-09-28 15:10     ` [PATCH v3 09/19] reftable: a generic binary tree implementation Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:10     ` [PATCH v3 10/19] reftable: write reftable files Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:10     ` [PATCH v3 11/19] reftable: generic interface to tables Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:10     ` [PATCH v3 12/19] reftable: read reftable files Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:10     ` [PATCH v3 13/19] reftable: reftable file level tests Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:10     ` [PATCH v3 14/19] reftable: add a heap-based priority queue for reftable records Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:10     ` [PATCH v3 15/19] reftable: add merged table view Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:10     ` [PATCH v3 16/19] reftable: implement refname validation Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:10     ` [PATCH v3 17/19] reftable: implement stack, a mutable database of reftable files Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:10     ` [PATCH v3 18/19] reftable: add dump utility Han-Wen Nienhuys via GitGitGadget
2021-09-28 15:10     ` [PATCH v3 19/19] Add "test-tool dump-reftable" command Han-Wen Nienhuys via GitGitGadget
2021-09-28 18:17     ` [PATCH v3 00/19] Adds reftable library code from https://github.com/hanwen/reftable Junio C Hamano
2021-10-02  9:20       ` Ævar Arnfjörð Bjarmason [this message]
2021-09-30  5:40     ` hn/reftable "fixes" Carlo Marcelo Arenas Belón
2021-09-30  5:40       ` [PATCH 1/4] fixup! reftable: add a heap-based priority queue for reftable records Carlo Marcelo Arenas Belón
2021-09-30  5:40       ` [PATCH 2/4] fixup! reftable: implement stack, a mutable database of reftable files Carlo Marcelo Arenas Belón
2021-10-01 15:37         ` C++(C99)-style comments in git.git Ævar Arnfjörð Bjarmason
2021-09-30  5:40       ` [PATCH 3/4] config.mak.uname: last release and snapshots of Minix still use zlib 1.2.3 Carlo Marcelo Arenas Belón
2021-09-30  5:40       ` [PATCH 4/4] reftable: avoid non portable compile time pointer to function Carlo Marcelo Arenas Belón
2021-09-30 20:35       ` hn/reftable "fixes" Junio C Hamano
2021-10-07 20:24     ` [PATCH v4 00/19] Adds reftable library code from https://github.com/hanwen/reftable Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:24       ` [PATCH v4 01/19] hash.h: provide constants for the hash IDs Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:24       ` [PATCH v4 02/19] reftable: add LICENSE Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:24       ` [PATCH v4 03/19] reftable: add error related functionality Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:25       ` [PATCH v4 04/19] reftable: utility functions Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:25       ` [PATCH v4 05/19] reftable: add blocksource, an abstraction for random access reads Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:25       ` [PATCH v4 06/19] reftable: (de)serialization for the polymorphic record type Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:25       ` [PATCH v4 07/19] Provide zlib's uncompress2 from compat/zlib-compat.c Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:25       ` [PATCH v4 08/19] reftable: reading/writing blocks Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:25       ` [PATCH v4 09/19] reftable: a generic binary tree implementation Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:25       ` [PATCH v4 10/19] reftable: write reftable files Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:25       ` [PATCH v4 11/19] reftable: generic interface to tables Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:25       ` [PATCH v4 12/19] reftable: read reftable files Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:25       ` [PATCH v4 13/19] reftable: reftable file level tests Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:25       ` [PATCH v4 14/19] reftable: add a heap-based priority queue for reftable records Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:25       ` [PATCH v4 15/19] reftable: add merged table view Han-Wen Nienhuys via GitGitGadget
2022-01-13 11:38         ` [PATCH] reftable tests: use C syntax compatible with old xlc Ævar Arnfjörð Bjarmason
2022-01-13 14:23           ` Han-Wen Nienhuys
2022-01-13 16:22             ` Ævar Arnfjörð Bjarmason
2022-01-13 19:09             ` Junio C Hamano
2021-10-07 20:25       ` [PATCH v4 16/19] reftable: implement refname validation Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:25       ` [PATCH v4 17/19] reftable: implement stack, a mutable database of reftable files Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:25       ` [PATCH v4 18/19] reftable: add dump utility Han-Wen Nienhuys via GitGitGadget
2021-10-07 20:25       ` [PATCH v4 19/19] Add "test-tool dump-reftable" command Han-Wen Nienhuys via GitGitGadget

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