Re: Possible git bug in commit-graph: "invalid commit position"

From: Alex Riesen <alexander.riesen@cetitec.com>
Date: May 15, 2020, 12:03 UTC
Message-ID: <20200515120333.GA4677@pflmari>
In-Reply-To: <CAFChFyhZYm88cCo6X_XikT=HRQG9Pp0vyveXmAuComFUJYjRcA@mail.gmail.com>

Gary Oberbrunner, Tue, Feb 04, 2020 23:33:42 +0100:

> Sorry for the long reply delay; the bug went away and only just showed
> up again. Here's the info you requested.
> I'm now running git 2.25.0.

I hit a very similar problem today with 2.26.0. Also in a submodule.

Removing and regenerating the commit graph did not help and I did not have the commit-graphs directory (only a file). "git commit-graph verify" does not find anything. Switching writeCommitGraph on and regenerating the commit graph makes no difference.

I can trigger it reliably by visiting the broken(?) commit in supermodule with:

    git show --submodule=log <commit>

I see nothing special in the commit invovled. It is just a single commit in my case, and the commit is a merge of two branches.

Regards, Alex