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From: Christian Couder <>
To: Jeff King <>
Cc: Junio C Hamano <>,
	Bartosz Baranowski <>,
	git <>, Jon Seymour <>
Subject: Re: [PATCH 3/3] bisect: make diff-tree output prettier
Date: Sun, 3 Mar 2019 19:25:02 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Sat, Feb 23, 2019 at 2:44 PM Jeff King <> wrote:
> On Fri, Feb 22, 2019 at 09:49:44AM -0800, Junio C Hamano wrote:

> > > If we do care about the change in exit code from bisect, then it
> > > probably does make sense to go with an external process. Then it can
> > > happily die on the corruption, while bisect continues with the rest of
> > > the high-level operation. I'm not sure it really matters much, though.
> > > Once your repository is corrupted, all bets are off. It's nice that we
> > > can bisect in such a state at all.
> >
> > This is about showing the very final message after finding which one
> > is the culprit.  Is there any other "clean-up" action we need to do
> > after showing the message?  I do not care too much about the exit
> > code from the bisection, but if dying from diff-tree can interfere
> > with such a clean-up, that would bother me a lot more, and at that
> > point, given especially that this is not a performance sensitive
> > thing at all (it is not even invoked log(n) times---just once at the
> > end), moving to external process may make it a lot simpler and
> > cleaner.
> Thanks, I had a vague feeling along these lines, but you nicely put it
> into words. As far as I can tell, no, we're not missing any important
> cleanup in that process; it looks like the only call to show_diff_tree()
> then calls exit(10) immediately after.
> However, that does change our exit code, which then
> propagates instead of writing the entry into the BISECT_LOG.
> I'm still not convinced this is really worth caring about, as it implies
> a corrupt repo.

I don't care much about what happens in a corrupt repo, but I am
adding Jon Seymour in CC who wrote those tests in:

d3dfeedf2e (bisect: add tests to document expected behaviour in
presence of broken trees., 2011-08-04)
b704a8b3fd (bisect: add tests for the --no-checkout option., 2011-08-04)

  reply	other threads:[~2019-03-03 18:25 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-21 10:47 git bisect - good vs bad output is different Bartosz Baranowski
2019-02-21 21:39 ` Junio C Hamano
2019-02-22  6:19   ` [PATCH 0/3] prettier bisect output Jeff King
2019-02-22  6:20     ` [PATCH 1/3] bisect: use string arguments to feed internal diff-tree Jeff King
2019-02-22  6:21     ` [PATCH 2/3] bisect: fix internal diff-tree config loading Jeff King
2019-03-03 17:59       ` Christian Couder
2019-03-05  4:15         ` Jeff King
2019-02-22  6:23     ` [PATCH 3/3] bisect: make diff-tree output prettier Jeff King
2019-02-22 17:49       ` Junio C Hamano
2019-02-23 13:44         ` Jeff King
2019-03-03 18:25           ` Christian Couder [this message]
2019-02-22 17:39     ` [PATCH 0/3] prettier bisect output Junio C Hamano
2019-03-03 18:33     ` Christian Couder
2019-03-05  4:16       ` Jeff King

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