From: Michael Albinus <michael.albinus@gmx.de>
To: Gregory Heytings <gregory@heytings.org>
Cc: "Gerd Möllmann" <gerd.moellmann@gmail.com>, emacs-devel@gnu.org
Subject: Re: Emacs git repo mangled
Date: Tue, 01 Nov 2022 14:32:00 +0100 [thread overview]
Message-ID: <877d0eiywf.fsf@gmx.de> (raw)
In-Reply-To: <48c054670f70ff7b056a@heytings.org> (Gregory Heytings's message of "Tue, 01 Nov 2022 12:07:29 +0000")
Gregory Heytings <gregory@heytings.org> writes:
Hi Gregory,
>>> + Depending on what you want to do, it can be helpful to use the option
>>> + '--first-parent' with 'git bisect', which makes bisect ignore commits
>>> + coming into a branch from merges.
>>
>> I'd rather say 'git start --first-parent'. There's no other bisect
>> subcommand with that option.
>
> Doing that is wrong, alas. Limiting bisection to first parents will
> often produce a wrong result. TRT here is to follow Linus' advice, to
> which I pointed in my other post, namely to manually mark the last
> commit of the eglot branch before it was merged as "good".
This approach would raise other problems.
- You might not know that you are in a merged subtree. It took me two
days until I realized this (hmm, this could mean I'm too stupid).
- If the bad commit is inside the merge, you won't see it, because you
have marked the whole merged subtree as good (by marking the last
commit of the merged subtree).
- It would require manual actions, because first you need to determine
the range of the merged subtree in order to mark last commit of this.
Best regards, Michael.
next prev parent reply other threads:[~2022-11-01 13:32 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-31 9:50 Emacs git repo mangled Michael Albinus
2022-10-31 13:09 ` Gerd Möllmann
2022-10-31 16:43 ` Michael Albinus
2022-11-01 5:44 ` Gerd Möllmann
2022-11-01 9:15 ` Michael Albinus
2022-11-01 9:28 ` Gerd Möllmann
2022-11-01 12:07 ` Gregory Heytings
2022-11-01 13:32 ` Michael Albinus [this message]
2022-11-01 13:55 ` Gregory Heytings
2022-11-01 15:23 ` Michael Albinus
2022-11-01 16:47 ` Gregory Heytings
2022-11-01 17:19 ` Eli Zaretskii
2022-11-01 18:25 ` Gregory Heytings
2022-11-02 5:51 ` Gerd Möllmann
2022-11-02 9:26 ` Gregory Heytings
2022-11-01 19:02 ` Michael Albinus
2022-11-01 19:41 ` Gregory Heytings
2022-11-02 3:26 ` Eli Zaretskii
2022-11-02 9:14 ` Gregory Heytings
2022-11-02 12:59 ` Phil Sainty
2022-11-02 13:10 ` Gregory Heytings
2022-11-02 13:49 ` Eli Zaretskii
2022-11-02 14:27 ` Gregory Heytings
2022-11-05 10:54 ` Michael Albinus
2022-11-05 21:58 ` Gregory Heytings
2022-11-02 2:11 ` Phil Sainty
2022-11-02 10:56 ` Robert Pluim
2022-10-31 13:38 ` Andreas Schwab
2022-10-31 16:45 ` Michael Albinus
2022-10-31 15:35 ` João Távora
2022-10-31 16:04 ` Stefan Kangas
2022-10-31 16:24 ` João Távora
2022-10-31 17:28 ` Stefan Kangas
2022-10-31 21:45 ` Gregory Heytings
-- strict thread matches above, loose matches on Subject: below --
2022-10-31 15:25 Payas Relekar
2022-10-31 16:11 ` João Távora
2022-10-31 16:48 ` Michael Albinus
2022-10-31 17:57 ` Stefan Monnier
2022-10-31 18:33 ` Andreas Schwab
2022-10-31 20:39 ` Stefan Monnier
2022-10-31 21:10 ` Óscar Fuentes
2022-10-31 21:15 ` Andreas Schwab
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