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From: Jeff King <peff@peff.net>
To: Felipe Contreras <felipe.contreras@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
	Johannes Schindelin via GitGitGadget <gitgitgadget@gmail.com>,
	Git <git@vger.kernel.org>,
	Johannes Schindelin <johannes.schindelin@gmx.de>,
	Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH 00/28] Use main as default branch name
Date: Tue, 17 Nov 2020 18:33:13 -0500
Message-ID: <20201117233313.GB642410@coredump.intra.peff.net> (raw)
In-Reply-To: <CAMP44s2VJOd3N2zaj8YPv0iLOqTF7vWyZ=zPd9vd0+qO1DbEVA@mail.gmail.com>

On Tue, Nov 17, 2020 at 04:47:56PM -0600, Felipe Contreras wrote:

> On Tue, Nov 17, 2020 at 3:10 PM Eric W. Biederman <ebiederm@xmission.com> wrote:
> >
> > "Johannes Schindelin via GitGitGadget" <gitgitgadget@gmail.com> writes:
> >
> > > This is the big one. This changes the default of init.defaultBranch to main,
> > > reflecting what many open source projects already did (which was followed by
> > > GitHub, Azure Repos and others).
> >
> > Can we please not simply replace one hard coded branch name with
> > another?
> 
> I thought precisely the same thing.
> 
> This should be easy to do if we make "origin" be a pseudo ref that
> points to "origin/HEAD" (and we could introduce "origin/@").

Didn't we already do this long ago? refs/remotes/%s/HEAD is special in
the dwim_ref() lookup:

  $ git rev-parse --symbolic-full-name origin
  refs/remotes/origin/master

Or did you have something else in mind?

I think I have occasionally hit spots where saying "origin" instead of
"origin/master" does not work. I can't think of any offhand now, though
(I thought perhaps "git checkout -b foo origin" or "git branch
--set-upstream-to=origin", but both seem to work).

> > I don't look in on the git list very often so perhaps I am missing a
> > conversation where all of the details were thought through.  If so
> > please point me at that conversation.  Otherwise can we please use this
> > opportunity to come up with something that is actually better than
> > naming the default branch main, rather than just something just as
> > awkward whose only advantage is that people don't think it is
> > politically incorrect this week.
> 
> This is the thread:
> 
> https://lore.kernel.org/git/CAOAHyQwyXC1Z3v7BZAC+Bq6JBaM7FvBenA-1fcqeDV==apdWDg@mail.gmail.com/
> 
> Unfortunately in my opinion the most important topics--like your
> suggestion--were not even mentioned. Everyone focused on the wrong
> thing (e.g. what would be a better name for "master").

There is another thread from the same time that contains quite a lot of
discussion on logistics. This subthread in particular raises the notion
of "let's try to minimize needing a special branch-name at all":

  https://lore.kernel.org/git/875zbrcpgh.fsf@evledraar.gmail.com/

And indeed, it led to some other bug-fixes in improvements in the time
since then:

  - submodule--helper was fixed to use HEAD from the remote as its
    fallback rather than a hard-coded "master"

  - fast-export --anonymize no longer treats "master" as special, but
    instead grew a flexible system for leaving some bits intact

  - fmt-merge-msg gained new options for configuring when it will print
    "into <branch>"

So really all that is left is deciding what to do when:

  git init
  git commit -m foo

is run. Obviously we added a config variable here, but we still fall
back to a hard-coded name. One suggestion was to not use any name, and
either require "git checkout -b some-branch" first, or commit onto a
detached HEAD:

  https://lore.kernel.org/git/B4814F42-7AF8-4D80-93D4-FAF752C72F21@me.com/

The simplicity has some appeal to me, but it's even less
backwards-compatible than falling back to a new different name.

I think Eric's suggestion of using the directory name as a default was
not previously mentioned. I'm not sure I would like that myself (I find
value in having a consistent "this is the main branch" name across
different repositories, at least for my workflows). And it creates all
of the same "every tutorial is now out of date" issues. But it is
neutral. I wouldn't be opposed to seeing it as a configurable option.

-Peff

  reply index

Thread overview: 163+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-12 22:43 Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 01/28] t0060: preemptively adjust alignment Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 02/28] t[01]*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 03/28] t2*: " Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 04/28] t3[0-3]*: " Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 05/28] t3416: preemptively adjust alignment in a comment Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 06/28] t34*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 07/28] t3[5-9]*: " Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 08/28] t4*: " Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 09/28] t5323: prepare centered comment for `master` -> `main` Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 10/28] t5[0-4]*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 11/28] t5503: prepare aligned comment for replacing `master` with `main` Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 12/28] t550*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 13/28] t551*: " Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 14/28] t55[23]*: " Johannes Schindelin via GitGitGadget
2020-11-13 10:02   ` Ævar Arnfjörð Bjarmason
2020-11-13 14:18     ` Johannes Schindelin
2020-11-16 20:07     ` Junio C Hamano
2020-11-12 22:43 ` [PATCH 15/28] t55[4-9]*: " Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 16/28] t5[6-9]*: " Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 17/28] t6[0-3]*: " Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 18/28] t64*: preemptively adjust alignment to prepare for `master` -> `main` Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 19/28] t6[4-9]*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 20/28] t7[0-4]*: " Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 21/28] t7[5-9]*: " Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 22/28] t8*: " Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 23/28] t9[0-4]*: " Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 24/28] t9[5-7]*: " Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 25/28] tests(git-p4): transition to the default branch name `main` Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 26/28] t99*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 27/28] tests: drop prereq `PREPARE_FOR_MAIN_BRANCH` where no longer needed Johannes Schindelin via GitGitGadget
2020-11-12 22:43 ` [PATCH 28/28] Change the default branch name to `main` Don Goodman-Wilson via GitGitGadget
2020-11-13  9:57   ` Ævar Arnfjörð Bjarmason
2020-11-13 14:09     ` Johannes Schindelin
2020-11-16 20:04       ` Junio C Hamano
2020-11-13  0:11 ` [PATCH 00/28] Use main as default branch name Felipe Contreras
2020-11-13 12:55 ` Ævar Arnfjörð Bjarmason
2020-11-13 14:22   ` Johannes Schindelin
2020-11-13 16:13     ` [RFC/PATCH] tests: support testing with an arbitrary default branch (sort of) Ævar Arnfjörð Bjarmason
2020-11-13 19:14       ` Jeff King
2020-11-13 22:00         ` Johannes Schindelin
2020-11-13 22:39           ` Johannes Schindelin
2020-11-13 23:49           ` Ævar Arnfjörð Bjarmason
     [not found]             ` <nycvar.QRO.7.76.6.2011162118060.18437@tvgsbejvaqbjf.bet>
2020-11-18 13:32               ` Ævar Arnfjörð Bjarmason
2020-11-18 14:16                 ` Felipe Contreras
2020-11-20 11:36                   ` Ævar Arnfjörð Bjarmason
2020-11-20 16:00                     ` Felipe Contreras
2020-11-18 15:56                 ` Junio C Hamano
2020-11-19  9:32                   ` Johannes Schindelin
2020-11-19 19:35                     ` Junio C Hamano
2020-11-22 19:07                       ` Johannes Schindelin
2020-11-19 10:46                 ` Johannes Schindelin
2020-11-14  0:25           ` Felipe Contreras
2020-11-13 17:42   ` [PATCH 00/28] Use main as default branch name Felipe Contreras
2020-11-14  6:13 ` Junio C Hamano
2020-11-16 19:52   ` Junio C Hamano
2020-11-17 16:10     ` Johannes Schindelin
2020-11-17 19:09       ` Junio C Hamano
2020-11-18 20:58         ` Johannes Schindelin
2020-11-17 16:12 ` [PATCH v2 00/27] tests: use " Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 01/27] t0060: preemptively adjust alignment Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 02/27] t[01]*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 03/27] t2*: " Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 04/27] t3[0-3]*: " Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 05/27] t3416: preemptively adjust alignment in a comment Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 06/27] t34*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 07/27] t3[5-9]*: " Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 08/27] t4*: " Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 09/27] t5323: prepare centered comment for `master` -> `main` Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 10/27] t5[0-4]*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 11/27] t5503: prepare aligned comment for replacing `master` with `main` Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 12/27] t550*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 13/27] t551*: " Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 14/27] t55[23]*: " Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 15/27] t55[4-9]*: " Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 16/27] t5[6-9]*: " Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 17/27] t6[0-3]*: " Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 18/27] t64*: preemptively adjust alignment to prepare for `master` -> `main` Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 19/27] t6[4-9]*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 20/27] t7[0-4]*: " Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 21/27] t7[5-9]*: " Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 22/27] t8*: " Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 23/27] t9[0-4]*: " Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 24/27] t9[5-7]*: " Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 25/27] tests(git-p4): transition to the default branch name `main` Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 26/27] t99*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-17 16:12   ` [PATCH v2 27/27] tests: drop prereq `PREPARE_FOR_MAIN_BRANCH` where no longer needed Johannes Schindelin via GitGitGadget
2020-11-18 11:48   ` [PATCH v2 28/27] tests: run tests omitted by PREPARE_FOR_MAIN_BRANCH Ævar Arnfjörð Bjarmason
2020-11-18 23:56     ` Johannes Schindelin
2020-11-19 19:30       ` Junio C Hamano
2020-11-20 13:09         ` Johannes Schindelin
2020-11-20 18:08           ` Junio C Hamano
2020-11-18 23:44   ` [PATCH v3 00/28] tests: use main as default branch name Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 01/28] tests: mark tests relying on the current default for `init.defaultBranch` Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 02/28] t0060: preemptively adjust alignment Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 03/28] t[01]*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 04/28] t2*: " Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 05/28] t3[0-3]*: " Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 06/28] t3416: preemptively adjust alignment in a comment Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 07/28] t34*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 08/28] t3[5-9]*: " Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 09/28] t4*: " Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 10/28] t5323: prepare centered comment for `master` -> `main` Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 11/28] t5[0-4]*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 12/28] t5503: prepare aligned comment for replacing `master` with `main` Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 13/28] t550*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 14/28] t551*: " Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 15/28] t55[23]*: " Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 16/28] t55[4-9]*: " Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 17/28] t5[6-9]*: " Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 18/28] t6[0-3]*: " Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 19/28] t64*: preemptively adjust alignment to prepare for `master` -> `main` Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 20/28] t6[4-9]*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 21/28] t7[0-4]*: " Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 22/28] t7[5-9]*: " Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 23/28] t8*: " Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 24/28] t9[0-4]*: " Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 25/28] t9[5-7]*: " Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 26/28] tests(git-p4): transition to the default branch name `main` Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 27/28] t99*: adjust the references to the default branch name "main" Johannes Schindelin via GitGitGadget
2020-11-18 23:44     ` [PATCH v3 28/28] tests: drop prereq `PREPARE_FOR_MAIN_BRANCH` where no longer needed Johannes Schindelin via GitGitGadget
2020-11-19 23:35     ` [PATCH v3 00/28] tests: use main as default branch name Junio C Hamano
2020-11-17 20:48 ` [PATCH 00/28] Use " Eric W. Biederman
2020-11-17 22:47   ` Felipe Contreras
2020-11-17 23:33     ` Jeff King [this message]
2020-11-18  0:07       ` Junio C Hamano
2020-11-18  1:25         ` Jeff King
2020-11-18  2:40           ` Jonathan Nieder
2020-11-18  5:43             ` Junio C Hamano
2020-11-18 11:32               ` Johannes Schindelin
2020-11-18 15:43                 ` Junio C Hamano
2020-11-19  9:22                   ` Johannes Schindelin
2020-11-18  0:18       ` Felipe Contreras
2020-11-18  1:22         ` Jeff King
2020-11-18  1:45           ` Felipe Contreras
2020-11-18  2:06             ` Jeff King
2020-11-18  2:39               ` Jonathan Nieder
2020-11-18 10:12                 ` Felipe Contreras
2020-11-18  9:04               ` Felipe Contreras
2020-11-17 22:55   ` Junio C Hamano
2020-11-17 23:16     ` Felipe Contreras
2020-11-18  0:10       ` Junio C Hamano
2020-11-18  0:51         ` Felipe Contreras
2020-11-18 23:45     ` Philip Oakley
2020-11-19  0:00       ` Johannes Schindelin
2020-11-19  0:30         ` Philip Oakley
2020-11-19  0:30         ` Peter Hadlaw
2020-11-19  0:44           ` Philip Oakley
2020-11-19  0:55             ` Peter Hadlaw
2020-11-19  1:51       ` Junio C Hamano
2020-11-19 10:35         ` Philip Oakley
2020-11-19 11:10           ` Sergey Organov
2020-11-19 11:50             ` Philip Oakley
2020-11-19 12:33               ` Sergey Organov
2020-11-21 23:01             ` Junio C Hamano
2020-11-22 10:21               ` Sergey Organov
2020-11-22 11:20                 ` Philip Oakley
2020-11-22 13:23                   ` Sergey Organov
2020-11-22 20:18                     ` Philip Oakley
2020-11-22 21:56                 ` Felipe Contreras
2020-11-22 23:54                   ` Junio C Hamano
2020-11-18  2:56   ` Jonathan Nieder
2020-11-18  5:57     ` Junio C Hamano

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