Git Mailing List Archive mirror
 help / color / mirror / Atom feed
From: Carlo Arenas <carenas@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: "Phillip Wood" <phillip.wood123@gmail.com>,
	git@vger.kernel.org, pclouds@gmail.com,
	"Jinwook Jeong" <vustthat@gmail.com>,
	"Eric Sunshine" <sunshine@sunshineco.com>,
	"Rubén Justo" <rjusto@gmail.com>
Subject: Re: [PATCH v4] checkout/switch: disallow checking out same branch in multiple worktrees
Date: Thu, 23 Mar 2023 20:49:55 -0700	[thread overview]
Message-ID: <CAPUEspj_Bh+LgYLnWfeBdcq_uV5Cbou-7H51GLFjzSa5Qzby9w@mail.gmail.com> (raw)
In-Reply-To: <xmqq355wbaar.fsf@gitster.g>

On Wed, Mar 22, 2023 at 5:06 PM Junio C Hamano <gitster@pobox.com> wrote:
>
> Phillip Wood <phillip.wood123@gmail.com> writes:
>
> > Hi Carlo
> > ...
> > As I said before, it would be much easier for everyone else to
> > understand the changes if you wrote out what they were rather than
> > saying "look at the tests"....
> > ...
> >> +    if (!opts->ignore_other_worktrees && !opts->force_detach &&
> >> +        check_branch_path && ref_exists(check_branch_path)) {
> >
> > I think check_branch_path is NULL if opts->ignore_other_worktrees is
> > set so we could maybe lose "!opts->ignore_other_worktrees" here (or
> > possibly below where you set check_branch_path).
> > ...
> >> ...
> >> +            if (!opts->ignore_other_worktrees && !check_branch_path && new_branch_info->path)
> >> +                    check_branch_path = xstrdup(new_branch_info->path);
> >
> > I'm a bit confused what this is doing.
> > ...
> >> +test_expect_success 'allow checkout/reset from the conflicted branch' '
> >
> > I'm not sure what "the conflicted branch" means (it reminds we of
> > merge conflicts). Is this just testing that "checkout -b/B <branch>
> > <start-point>" works?
> > ...
> >> +test_expect_success 'and not die on re-checking out current branch even if conflicted' '
> >
> > I think 'allow re-checking out ...' would be clearer, again I'm not
> > sure what's conflicted here.
> > ...
> >>   -test_expect_success 'not die on re-checking out current branch' '
> >> +test_expect_failure 'unless using force without --ignore-other-worktrees' '
> >
> > This test passes for me - what's the reason for changing from
> > test_expect_success to test_expect_failure?
> >
> > Thanks for working on this
>
> are there remaining things
> to be done and issues to be resolved before we can see v5?

it interacted with another branch
(rj/avoid-switching-to-already-used-branch) that was just recently
merged to master.

it also was probably too aggressive as pointed[1] by Phillip after my
explanation of the change of behaviour as quoted:

>> Using`checkout` for simplicity, but also applies to `switch`,
>>
>>    % git worktree list
>>    .../base  6a45aba [main]
>>    % git worktree add -f ../other main
>>    Preparing worktree (checking out 'main')
>>    HEAD is now at 6a45aba init
>>    % cd ../other
>>    % git checkout main
>>    Already on 'main'
>>    % git checkout -B main
>>    fatal: 'main' is already checked out at '.../base'
>
> Thanks for explaining that. If there is no <start-point> given we don't
> reset the branch so it seems a bit harsh to error out here. For "git
> checkout -B <branch> <start-point>" when <branch> is checked out in
> another worktree requiring --ignore-other-worktrees makes sense.

I wasn't sure on how to proceed from there, but will come with a v5 to
discuss further.

Carlo

[1] https://lore.kernel.org/git/a848b7d5-fd40-b043-7ed9-1672f65312e6@dunelm.org.uk/

  reply	other threads:[~2023-03-24  3:50 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-16 17:28 [PATCH] builtin/checkout: check the branch used in -B with worktrees Carlo Marcelo Arenas Belón
2023-01-16 22:18 ` Eric Sunshine
2023-01-17  0:53 ` Rubén Justo
2023-01-18  5:44   ` Carlo Arenas
2023-01-18  6:15 ` [PATCH v2] checkout/switch: disallow checking out same branch in multiple worktrees Carlo Marcelo Arenas Belón
2023-01-18  6:52   ` Junio C Hamano
2023-01-18  7:58     ` Carlo Arenas
2023-01-18 16:10       ` Junio C Hamano
2023-01-18 22:55   ` Junio C Hamano
2023-01-19  5:53   ` [PATCH v3] " Carlo Marcelo Arenas Belón
2023-01-19  7:23     ` Re* " Junio C Hamano
2023-01-19  7:41       ` Carlo Arenas
2023-01-19 14:21     ` Phillip Wood
2023-01-20  3:10     ` Junio C Hamano
2023-01-20  3:53       ` Carlo Arenas
2023-01-20  4:39         ` Carlo Arenas
2023-01-20 11:35     ` [PATCH v4] " Carlo Marcelo Arenas Belón
2023-01-20 15:08       ` Phillip Wood
2023-01-20 22:12         ` Carlo Arenas
2023-01-27 14:46           ` Phillip Wood
2023-05-14 20:21             ` Rubén Justo
2023-03-23  0:06         ` Junio C Hamano
2023-03-24  3:49           ` Carlo Arenas [this message]
2023-05-14 20:24       ` Rubén Justo

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=CAPUEspj_Bh+LgYLnWfeBdcq_uV5Cbou-7H51GLFjzSa5Qzby9w@mail.gmail.com \
    --to=carenas@gmail.com \
    --cc=git@vger.kernel.org \
    --cc=gitster@pobox.com \
    --cc=pclouds@gmail.com \
    --cc=phillip.wood123@gmail.com \
    --cc=rjusto@gmail.com \
    --cc=sunshine@sunshineco.com \
    --cc=vustthat@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).