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From:   Junio C Hamano <gitster@pobox.com>
To:     "Jason Pyeron" <jpyeron@pdinc.us>
Cc:     <git@vger.kernel.org>
Subject: Re: I have gone and done a bad thing - malformed tree objects
References: <19ca801d66541$cf872af0$6e9580d0$@pdinc.us>
Date:   Tue, 28 Jul 2020 17:52:04 -0700
In-Reply-To: <19ca801d66541$cf872af0$6e9580d0$@pdinc.us> (Jason Pyeron's
        message of "Tue, 28 Jul 2020 20:47:18 -0400")
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"Jason Pyeron" <jpyeron@pdinc.us> writes:

> I was trying to "do stuff" using hash-object -t tree --stdin -w,
> but I accidentally created trees where other trees were marked as
> blobs. They were dangling and not connected to any actual commits
> on my branches.
>
> After gc and fsck clean ups, everything reports well...
>
> Except:
>
> $ GIT_TRACE=1 git cat-file --batch-all-objects --batch=objecttype

gc and fsck may not have pruned the dangling object yet, but
--batch-all-objects is a request to enumerate objects that exist in
the repository, regardless of their reachability from any ref.

Perhaps "git prune --expire=now" would get rid of it?