Re: [PATCH v2 00/49] repack: prepare for incremental MIDX-based repacking

> Note to the maintainer:
> 
>  * This series has been rebased on to 'master' (which is 4b71b29477
>    (The seventeenth batch, 2025-10-10) at the time of writing) to
>    avoid semantic conflicts now that ps/packfile-store has been
>    merged.
> 
> This is a relatively small reroll of my series to clean up the repack
> builtin by introducing a repack.h API, which is the first of ~three
> series that will implement incremental MIDX/bitmap-based repacking.
> 
> A range-diff is included below for convenience, but the changes since
> v1 are generally limited to the following:
> 
>  * Wording tweaks and a couple of minor typo fixes.
> 
>  * Dropping explicit casts out of 'void *'.
> 
>  * Clarification in commit "builtin/repack.c: introduce `struct
>    write_pack_opts`" that additional cleanup follows in the upcoming
>    patches.
> 
>  * Marking parts of the new API as const where possible.
> 
>  * Using 'bool' as the return type and simplifying the implementation
>    of `write_pack_opts_is_local()`.
> 
>  * Avoid shadowing "struct write_pack_opts opts" in `cmd_repack()`.
> 
> Outside of that, the series is unchanged, and I am hopeful that this
> round looks good to reviewers so that we can move on to the more
> interesting parts of incremental MIDX/bitmap repacking ;-).