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List:       git
Subject:    Re: gc.linkedobjectdir discussion
From:       Junio C Hamano <gitster () pobox ! com>
Date:       2015-02-24 22:26:08
Message-ID: xmqqsidvosjj.fsf () gitster ! dls ! corp ! google ! com
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Will Entriken <fulldecent@gmail.com> writes:

> USAGE - CACHE HIT:
> During another pull or clone on a different working directory, git
> will find the required object in LINKEDOBJECTDIR and hard link into
> the active repo's object store.

What happens when the necessary objects are in a packfile, mixed
with other objects that this repository does not need but may be
necessary for other repositories?

> USAGE - DELETING:
> Whenever deleting an object, git will stat the file to see to see if
> its link count is 2, if so, both copies are deleted.

This is totally unworkable if you ever pack your repository.  And
packing loose objects is a lot more efficient way to reduce your
disk footprint than sharing the object store among a handful of
repositories.
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