Re: [PATCH 2/9] cache.h: add repository argument to oid_object_info

> Add a repository argument to allow the callers of oid_object_info
> to be more specific about which repository to handle. This is a small
> mechanical change; it doesn't change the implementation to handle
> repositories other than the_repository yet.
> 
> In the expanded macro the identifier `the_repository` is not actually used,
> so the compiler does not catch if the repository.h header is not included
> at the call site. call sites needing that #include were identified by
> changing the macro to definition to
> 
>       #define sha1_object_info(r, sha1, size) \
>           (r, sha1_object_info_##r(sha1, size)).