From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS53758 23.128.96.0/24 X-Spam-Status: No, score=-11.5 required=3.0 tests=AWL,BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE,SPF_HELO_PASS,SPF_PASS, USER_IN_DEF_DKIM_WL shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by dcvr.yhbt.net (Postfix) with ESMTP id 1482B1F670 for ; Tue, 26 Oct 2021 08:12:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233543AbhJZIOn (ORCPT ); Tue, 26 Oct 2021 04:14:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53982 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230384AbhJZIOm (ORCPT ); Tue, 26 Oct 2021 04:14:42 -0400 Received: from mail-vk1-xa2d.google.com (mail-vk1-xa2d.google.com [IPv6:2607:f8b0:4864:20::a2d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DBCCAC061745 for ; Tue, 26 Oct 2021 01:12:18 -0700 (PDT) Received: by mail-vk1-xa2d.google.com with SMTP id 20so3928495vkc.8 for ; Tue, 26 Oct 2021 01:12:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=jnuPJSbrjZCZH00A7auEqGgm7qvWRuV6/kOJ+Exkbu0=; b=gkaO9X82YX9mbDaY36qEkayYWguXhXowf3fedEGmgwRWx2aIkYcaaZGtyE2du1pc7H AvfHPbFBf9OvM7TUzzW7MXeb4Pp5GICa6KobaPyo+WZOqmjpPGK3dZBTpQmGeuJeqQlU KyqLluRIi3OykjrSX40mbMf0//LRX/RZwWa9WKcc0sxn9JQ92/BpsynuZsRwnYV6YtIY 8UVsY3YnGNadQhVyNZH/eQ+RQvuGmOxCu9VqBPBxRHyXezwnm7Z4Il5tSnFxA0l6HbLP wvT4DTxtAl+8CV4s41ksbtz5GUoDmbwpTw7RDRxMlie6c0JtJcn9ls1eo6r8ryxdWCWb 3P9g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=jnuPJSbrjZCZH00A7auEqGgm7qvWRuV6/kOJ+Exkbu0=; b=Fkqn5siWyZ/ZCYueWdmvSnCz8I0XvIbjwivKoLGWdjnUvt+buDtXAsdVGSbjqL/yta ZexhSflZp3w1AMiEp5S+2aDkGQEdlqRvNZTl8MyM1g4qLrUG++kLuvenMnMJxD2TuQlg kQGgdcZTdXuVfK3U1IHqfQXM8i5kkZe1hzbCGOMrsaB7Gk5kq4bdDsnZO6KhAyyCsyg0 /wSzU9+ULOTX6cLjTd+dofCfANXtWf7+BGqEG81129utHPAJl2L0UE8f29Ya6JuG2TbY QN3VgZHzHy42SkVoMkzDJer5H2l4s4k8rXxLvf4Wk1exphi8PA/dBRUezWrxfRbzAdAf uYBw== X-Gm-Message-State: AOAM531lT2oMdmhn4cQmuFDrZD3boRzo9VjvGTbwnxQVzbGZ9Xgc2Jvt +RKrstK+ALg9IXSRHYrW+mkm43nWg09f+r4Hx3RLjpjsb1WStw== X-Google-Smtp-Source: ABdhPJx+jv5Wt9S6lGrop+6lVLtKF8vP34MJdkZPkuKT+YG4Cnbb4RJxGOceFSeapYxOi0CcPvqW0FbgCzx3/wrOb4E= X-Received: by 2002:a1f:784b:: with SMTP id t72mr19553735vkc.15.1635235937879; Tue, 26 Oct 2021 01:12:17 -0700 (PDT) MIME-Version: 1.0 References: <211026.86wnm021ih.gmgdl@evledraar.gmail.com> In-Reply-To: <211026.86wnm021ih.gmgdl@evledraar.gmail.com> From: Han-Wen Nienhuys Date: Tue, 26 Oct 2021 10:12:06 +0200 Message-ID: Subject: Re: [Summit topic] The state of getting a reftable backend working in git.git To: =?UTF-8?B?w4Z2YXIgQXJuZmrDtnLDsCBCamFybWFzb24=?= Cc: Johannes Schindelin , git@vger.kernel.org, Philip Oakley Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org On Tue, Oct 26, 2021 at 12:16 AM =C3=86var Arnfj=C3=B6r=C3=B0 Bjarmason wrote: > From memory I think the more general concern Philip Oakley was also > expressing (but maybe he'll chime in) could also be addressed by a tool > that just un-reftable-ifies a repository. > > I think such a thing would be useful, and I think we don't have that > already. Isn't the files backend or reftable usage now an "init"-time > setting. >.. > Maybe there's more complexity I'm not considering than just the *.lock > dance in .git/*, but if not such a tool could also convert freely > between the two backends, so you could try refable out in an existing > checkout. I added a convert-ref-storage command to the JGit command line client for exactly this, $ jgit convert-ref-storage -h jgit convert-ref-storage [--format VAL] [--help (-h)] [--ssh [JSCH | APACHE= ]] --format VAL : Format to convert to (reftable or refdir) (default= : reftable) --help (-h) : display this help text (default: true) --ssh [JSCH | APACHE] : Selects the built-in ssh library to use, JSch or Apache MINA sshd. (default: JSCH) See here[1] for implementation. It's not safe for concurrent use with other git commands, but that's hardly a common use-case. [1] https://eclipse.googlesource.com/gerrit/jgit/jgit/+/1825a2230c06e7a6cbe= 23c69b63c3b7ecd2ceac6/org.eclipse.jgit/src/org/eclipse/jgit/internal/storag= e/file/FileRepository.java#806 --=20 Han-Wen Nienhuys - Google Munich I work 80%. Don't expect answers from me on Fridays. -- Google Germany GmbH, Erika-Mann-Strasse 33, 80636 Munich Registergericht und -nummer: Hamburg, HRB 86891 Sitz der Gesellschaft: Hamburg Gesch=C3=A4ftsf=C3=BChrer: Paul Manicle, Halimah DeLaine Prado