Re: [PATCH v5 00/11] Create 'expire' and 'repack' verbs for git-multi-pack-index

> Updates in V5:
>
> * Fixed the error in PATCH 7 due to a missing line that existed in PATCH 8. Thanks, Josh Steadmon!
>
> * The 'repack' subcommand now computes the "expected size" of a pack instead of
>   relying on the total size of the pack. This is actually really important to
>   the way VFS for Git uses prefetch packs, and some packs are not being
>   repacked because the pack size is larger than the batch size, but really
>   there are only a few referenced objects.
>
> * The 'repack' subcommand now allows a batch size of zero to mean "create one
>   pack containing all objects in the multi-pack-index". A new commit adds a
>   test that hits the boundary cases here, but follows the 'expire' subcommand
>   so we can show that cycle of repack-then-expire to safely replace the packs.