Re: [PATCH 0/8] object_id part 2

> The final piece in this series is the conversion of struct object to use
> struct object_id.  This is a necessarily large patch because of the
> large number of places this code is used.
>
> brian m. carlson (8):
>   refs: convert some internal functions to use object_id
>   sha1_file: introduce has_object_file helper.
>   Convert struct ref to use object_id.
>   Add a utility function to make parsing hex values easier.
>   add_sought_entry_mem: convert to struct object_id
>   parse_fetch: convert to use struct object_id
>   ref_newer: convert to use struct object_id
>   Convert struct object to object_id