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From:   "Jason Pyeron" <jpyeron@pdinc.us>
To:     <git@vger.kernel.org>
Cc:     "'Junio C Hamano'" <gitster@pobox.com>
References: <19ca801d66541$cf872af0$6e9580d0$@pdinc.us> <xmqqh7trb0sr.fsf@gitster.c.googlers.com>
In-Reply-To: <xmqqh7trb0sr.fsf@gitster.c.googlers.com>
Subject: RE: I have gone and done a bad thing - malformed tree objects
Date:   Tue, 28 Jul 2020 21:09:35 -0400
Organization: PD Inc
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> From: Junio C Hamano
> Sent: Tuesday, July 28, 2020 8:52 PM
>=20
> "Jason Pyeron" writes:
>=20
> > 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=3D1 git cat-file --batch-all-objects =
--batch=3Dobjecttype
>=20
> 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.
>=20
> Perhaps "git prune --expire=3Dnow" would get rid of it?

Both that and

git -c gc.reflogExpire=3Dnow -c gc.reflogExpireUnreachable=3Dnow   -c =
gc.rerereresolved=3Dnow -c gc.rerereunresolved=3Dnow   -c =
gc.pruneExpire=3Dnow -c gc.worktreePruneExpire=3Dnow gc --prune=3Dnow =
--aggressive

leave it in.