Am 5/8/2013 16:19, schrieb Matt McClure:
> My interpretation of that is that `git prune` will not prune packed objects
> by default. The following behavior seems inconsistent with that
> interpretation.
> [git@438587-beefcake01 panama.git]$ git prune -n | wc -l
> 9210

You have 9210 unreachable, loose objects.

> [git@438587-beefcake01 panama.git]$ git fsck --unreachable | wc -l
> 9468

You have 9468 unreachable objects in total.

> [git@438587-beefcake01 panama.git]$ git gc --no-prune
> Counting objects: 531223, done.
> Delta compression using up to 24 threads.
> Compressing objects: 100% (109848/109848), done.
> Writing objects: 100% (531223/531223), done.
> Total 531223 (delta 405288), reused 530894 (delta 404961)

Only reachable objects go into the new pack. Unreachable objects that were
in the pack before, are evicted and are now loose.

> [git@438587-beefcake01 panama.git]$ git prune -n | wc -l
> 9468
> [git@438587-beefcake01 panama.git]$ git fsck --unreachable | wc -l
> 9468

Now all 9468 unreachable objects are loose and eligible for being pruned.

> It looks like `git prune -n` is telling me that it would prune the objects
> that I just packed. What am I misunderstanding?

git gc moves unreachable objects that were packed before to the loose
object store, from where they can be pruned.

-- Hannes
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