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From: Andreas Schwab <schwab@suse.de>
To: Jeff King <peff@peff.net>
Cc: Stefan Monnier <monnier@iro.umontreal.ca>, git@vger.kernel.org
Subject: Re: `git gc` says "unable to read" but `git fsck` happy
Date: Thu, 01 Jun 2023 14:04:45 +0200	[thread overview]
Message-ID: <mvm4jnr9yn6.fsf@suse.de> (raw)
In-Reply-To: <20230330181716.GA3286761@coredump.intra.peff.net> (Jeff King's message of "Thu, 30 Mar 2023 14:17:16 -0400")

On Mär 30 2023, Jeff King wrote:

> On Thu, Mar 30, 2023 at 09:01:39AM -0400, Stefan Monnier wrote:
>
>> > If it is the same problem (which would be a blob or maybe cached tree
>> > missing in one of the worktree's index files), then probably you'd
>> > either:
>> >
>> >   1. Accept the loss and blow away that worktree's index file (or
>> >      perhaps even the whole worktree, and just recreate it).
>> 
>> Hmm... the problem is "that": I have about a hundred worktrees for
>> this repository.
>> But yes, I can just throw away all those `index` files, I guess.
>
> If you try "git fsck" from the tip of master, it should identify the
> worktree index that is the source of the problem, I think. You might
> need to pass "--name-objects".

I had the same problem, and after Junio refreshed my memory by pointing
me to this thread, I updated to the brand new git 2.41 and re-ran git
fsck.  That duely identified problems in two of the worktree indexes
(invalid sha1 pointer in resolve-undo).  After recreating those indexes
there were no more complaints from git gc.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

      reply	other threads:[~2023-06-01 12:04 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-29 22:05 `git gc` says "unable to read" but `git fsck` happy Stefan Monnier
2023-03-29 23:37 ` Jeff King
2023-03-30 13:01   ` Stefan Monnier
2023-03-30 18:17     ` Jeff King
2023-06-01 12:04       ` Andreas Schwab [this message]

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